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        <adviserName>FIDELITY INVESTMENTS MONEY MANAGEMENT, INC.</adviserName>
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        <adviserName>FIDELITY MANAGEMENT &amp; RESEARCH (HONG KONG) LIMITED</adviserName>
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      <nameOfIssuer>Boston Wtr. &amp; Swr. Commission Rev.</nameOfIssuer>
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          <nameOfNRSRO>N/A</nameOfNRSRO>
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    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachussetts Dev. Fin Agcy. Multi-family Hsg. Rev.</nameOfIssuer>
      <titleOfIssuer>FHLMC Massachusetts Dev. Fin. Agcy. Multi-family Hsg. Rev., 0.93%</titleOfIssuer>
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    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachussetts Dev. Fin Agcy. Multi-family Hsg. Rev.</nameOfIssuer>
      <titleOfIssuer>FNMA Massachusetts Dev. Fin. Agcy. Multi-family Hsg. Rev., 0.95%</titleOfIssuer>
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        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
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      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2040-07-15</finalLegalInvestmentMaturityDate>
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        <identityOfDemandFeatureIssuer>FANNIE MAE</identityOfDemandFeatureIssuer>
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          <nameOfNRSRO>N/A</nameOfNRSRO>
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      </demandFeature>
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        <identityOfTheGuarantor>FANNIE MAE</identityOfTheGuarantor>
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          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
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      <percentageOfMoneyMarketFundNetAssets>0.0146</percentageOfMoneyMarketFundNetAssets>
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    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dept. of Trans. Metropolitan Hwy. Sys. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dept. of Trans. Metropolitan Hwy. Sys. Rev., 0.88% Series 2010 A2, LOC Landesbank Hessen-Thuringen VRDN</titleOfIssuer>
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        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
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      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2037-01-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
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        <identityOfDemandFeatureIssuer>LANDESBANK HESS-THURNGN(UNGTD)</identityOfDemandFeatureIssuer>
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        <identityOfTheGuarantor>LANDESBANK HESS-THURNGN(UNGTD)</identityOfTheGuarantor>
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          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
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      <nameOfIssuer>Massachusetts Dept. of Trans. Metropolitan Hwy. Sys. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dept. of Trans. Metropolitan Hwy. Sys. Rev., 0.89% Series 2010 A1, LOC Citibank NA VRDN</titleOfIssuer>
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        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
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      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2037-01-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
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        <identityOfDemandFeatureIssuer>CITIBANK NA</identityOfDemandFeatureIssuer>
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      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
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        <identityOfTheGuarantor>CITIBANK NA</identityOfTheGuarantor>
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          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
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      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0089</yieldOfTheSecurityAsOfReportingDate>
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      <percentageOfMoneyMarketFundNetAssets>0.0213</percentageOfMoneyMarketFundNetAssets>
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    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dept. of Trans. Metropolitan Hwy. Sys. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dept. of Trans. Metropolitan Hwy. Sys. Rev., 0.90% Series 2010 A3, LOC Landesbank Hessen-Thuringen VRDN</titleOfIssuer>
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        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
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      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2039-01-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
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        <identityOfDemandFeatureIssuer>LANDESBANK HESS-THURNGN(UNGTD)</identityOfDemandFeatureIssuer>
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          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
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      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
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          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
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      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0090</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>32925000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>32925000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0106</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dept. of Trans. Metropolitan Hwy. Sys. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dept. of Trans. Metropolitan Hwy. Sys. Rev., 0.91% Series 2010 A2, LOC Barclays Bank PLC VRDN</titleOfIssuer>
      <CUSIPMember>57563CCZ3</CUSIPMember>
      <ISINId>US57563CCZ32</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2037-01-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>BARCLAYS BANK PLC</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>BARCLAYS BANK PLC</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0091</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>11365000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>11365000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0037</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Indl. Dev. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Indl. Dev. Rev., 1.14% (Charm Sciences, Inc. Proj.) Series 1999 A, LOC Bank of America NA VRDN</titleOfIssuer>
      <CUSIPMember>57583EAJ3</CUSIPMember>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2019-09-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>BANK OF AMERICA NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>BANK OF AMERICA NA</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0114</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>700000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>700000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0002</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Indl. Dev. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Indl. Dev. Rev., 1.19% (Monkiewicz Realty Trust Proj.) LOC Bank of America NA VRDN</titleOfIssuer>
      <CUSIPMember>57583EAP9</CUSIPMember>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2020-06-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>BANK OF AMERICA NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>BANK OF AMERICA NA</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0119</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1080000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1080000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0003</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Multi-family Hsg. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Multi-family Hsg. Rev., 0.92% (Salem Heights Apts. Proj.) Series 2003 A, LOC Fed. Home Ln. Bank of Boston VRDN</titleOfIssuer>
      <CUSIPMember>57583XAE2</CUSIPMember>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2021-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>FEDERAL HOME LN BK OF BOSTON</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>FEDERAL HOME LN BK OF BOSTON</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0092</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>12700000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>12700000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0041</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 0.88% (Clark Univ. Proj.) LOC TD Banknorth, NA VRDN</titleOfIssuer>
      <CUSIPMember>57583RUU7</CUSIPMember>
      <ISINId>US57583RUU75</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2038-10-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>TD BANK NA WILMINGTON DE</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>TD BANK NA WILMINGTON DE</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0088</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>35100000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>35100000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0114</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 0.89% (Boston Univ. Proj.) Series U-6C, LOC TD Banknorth, NA VRDN</titleOfIssuer>
      <CUSIPMember>57583RWB7</CUSIPMember>
      <ISINId>US57583RWB76</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-03</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-03</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2042-10-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>TD BANK NA WILMINGTON DE</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>3</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>TD BANK NA WILMINGTON DE</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0089</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>12525000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>12525000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0041</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 0.89% (Babson College Proj.) Series 2008 A, LOC Bank of America NA VRDN</titleOfIssuer>
      <CUSIPMember>57583RL86</CUSIPMember>
      <ISINId>US57583RL867</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2032-10-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>BANK OF AMERICA NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>BANK OF AMERICA NA</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0089</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>10900000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>10900000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0035</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 0.89% (ISO New England, Inc. Proj.) Series 2005, LOC TD Banknorth, NA VRDN</titleOfIssuer>
      <CUSIPMember>57583RAA3</CUSIPMember>
      <ISINId>US57583RAA32</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2032-02-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>TD BANK NA WILMINGTON DE</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>TD BANK NA WILMINGTON DE</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0089</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1645000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1645000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0005</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 0.89% (Boston Univ. Proj.) Series U3, LOC Northern Trust Co. VRDN</titleOfIssuer>
      <CUSIPMember>57583RWG6</CUSIPMember>
      <ISINId>US57583RWG63</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2040-10-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>NORTHERN TRUST CO CHICAGO</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>NORTHERN TRUST CO CHICAGO</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0089</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>36400000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>36400000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0118</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 0.90% (Partners HealthCare Sys. Proj.) Series 2014 M1, LOC U.S. Bank NA, Cincinnati VRDN</titleOfIssuer>
      <CUSIPMember>57583UB49</CUSIPMember>
      <ISINId>US57583UB490</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-03</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-03</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2048-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>US BANK NA CINCINNATI OHIO</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>3</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>US BANK NA CINCINNATI OHIO</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0090</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>5000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>5000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0016</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 0.90% (Worcester Polytechnic Institute Proj.) Series 2008 A, LOC TD Banknorth, NA VRDN</titleOfIssuer>
      <CUSIPMember>57583RTX3</CUSIPMember>
      <ISINId>US57583RTX34</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2035-09-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>TD BANK NA WILMINGTON DE</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>TD BANK NA WILMINGTON DE</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0090</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>15885000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>15885000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0051</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 0.90% Series 2014 M2, LOC Bank of New York, New York VRDN</titleOfIssuer>
      <CUSIPMember>57583UB56</CUSIPMember>
      <ISINId>US57583UB565</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2048-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>BANK OF NEW YORK MELLON</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>BANK OF NEW YORK MELLON</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0090</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>17000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>17000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0055</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 0.90% (Seven Hills Foundation and Affiliates Proj.) Series 2008 A, LOC TD Banknorth, NA VRDN</titleOfIssuer>
      <CUSIPMember>57583RZV0</CUSIPMember>
      <ISINId>US57583RZV04</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2038-09-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>TD BANK NA WILMINGTON DE</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>TD BANK NA WILMINGTON DE</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0090</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>8515000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>8515000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0028</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 0.90% (Seven Hills Foundation and Affiliates Proj.) Series 2008 B, LOC TD Banknorth, NA VRDN</titleOfIssuer>
      <CUSIPMember>57583RZW8</CUSIPMember>
      <ISINId>US57583RZW86</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2038-09-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>TD BANK NA WILMINGTON DE</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>TD BANK NA WILMINGTON DE</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0090</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3840000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3840000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0012</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 0.90% Series 2006, LOC PNC Bank NA VRDN</titleOfIssuer>
      <CUSIPMember>57583RFL4</CUSIPMember>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2036-10-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>PNC BANK NA PITTSBURGH PA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>PNC BANK NA PITTSBURGH PA</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0090</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>14045000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>14045000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0045</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 0.91% (Governor Dummer Academy Issues Proj.) Series 2006, LOC TD Banknorth, NA VRDN</titleOfIssuer>
      <CUSIPMember>57583RGN9</CUSIPMember>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2036-08-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>TD BANK NA WILMINGTON DE</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>TD BANK NA WILMINGTON DE</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0091</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>4035000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>4035000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0013</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 0.91% (Briarwood Retirement Cmnty. Proj.) Series 2004 A, LOC Manufacturers &amp; Traders Trust Co. VRDN</titleOfIssuer>
      <CUSIPMember>57583F5P2</CUSIPMember>
      <ISINId>US57583F5P29</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2035-01-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>MANUFACTURERS &amp; TRADERS TR CO</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>MANUFACTURERS &amp; TRADERS TR CO</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0091</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>12660000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>12660000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0041</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 0.91% Series 2001, LOC TD Banknorth, NA VRDN</titleOfIssuer>
      <CUSIPMember>57583FWJ6</CUSIPMember>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2031-09-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>TD BANK NA WILMINGTON DE</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>TD BANK NA WILMINGTON DE</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0091</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3470000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3470000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0011</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 0.92% (Partners HealthCare Sys. Proj.) Series 2011 K2, (Liquidity Facility Barclays Bank PLC) VRDN</titleOfIssuer>
      <CUSIPMember>57583R6F7</CUSIPMember>
      <ISINId>US57583R6F74</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2046-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>BARCLAYS BANK PLC</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>Y</securityEnhancementsFlag>
      <enhancementProvider>
        <identityOfTheEnhancementProvider>PARTNERS HEALTHCARE SYS INC</identityOfTheEnhancementProvider>
        <typeOfEnhancement>OBLIGOR</typeOfEnhancement>
        <amountProvidedByEnhancement>1.0000</amountProvidedByEnhancement>
        <enhancementRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </enhancementRatingOrNRSRO>
      </enhancementProvider>
      <yieldOfTheSecurityAsOfReportingDate>0.0092</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>11500000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>11500000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0037</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 0.92% (Simmons College Proj.) Series G, LOC JPMorgan Chase Bank VRDN</titleOfIssuer>
      <CUSIPMember>57583RUV5</CUSIPMember>
      <ISINId>US57583RUV58</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2035-10-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>JPMORGAN CHASE BANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>JPMORGAN CHASE BANK NA</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0092</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>43710000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>43710000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0141</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 0.92% (Wilber School Apts. Proj.) Series 2008 A, LOC Bank of America NA VRDN</titleOfIssuer>
      <CUSIPMember>57583RD77</CUSIPMember>
      <ISINId>US57583RD773</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2027-03-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>BANK OF AMERICA NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>BANK OF AMERICA NA</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0092</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>6300000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>6300000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0020</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 0.93% Series 2010, LOC Manufacturers &amp; Traders Trust Co. VRDN</titleOfIssuer>
      <CUSIPMember>57583R5Y7</CUSIPMember>
      <ISINId>US57583R5Y72</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2035-01-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>MANUFACTURERS &amp; TRADERS TR CO</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>MANUFACTURERS &amp; TRADERS TR CO</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0093</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>6575000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>6575000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0021</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 0.93% (New England Deaconess Assoc. Proj.) Series 2011 B, LOC Manufacturers &amp; Traders Trust Co. VRDN</titleOfIssuer>
      <CUSIPMember>57583ULM8</CUSIPMember>
      <ISINId>US57583ULM89</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2041-06-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>MANUFACTURERS &amp; TRADERS TR CO</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>MANUFACTURERS &amp; TRADERS TR CO</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0093</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>17255000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>17255000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0056</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 0.93% (Fifteen-O-Five West Housatonic LLC Proj.) Series 2007, LOC HSBC Bank U.S.A., NA VRDN</titleOfIssuer>
      <CUSIPMember>57583RKW4</CUSIPMember>
      <ISINId>US57583RKW42</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2027-04-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>HSBC BANK USA NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>HSBC BANK USA NA</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0093</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1880000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1880000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0006</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 0.92% Series 2001 C, (Liquidity Facility Barclays Bank PLC) VRDN</titleOfIssuer>
      <CUSIPMember>575827X54</CUSIPMember>
      <ISINId>US575827X547</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2021-01-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>BARCLAYS BANK PLC</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0092</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2585000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2585000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0008</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev., 0.85% (Massachusetts Institute of Technology Proj.) Series 2001 J1 VRDN</titleOfIssuer>
      <CUSIPMember>57585KSW9</CUSIPMember>
      <ISINId>US57585KSW98</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2031-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>MASSACHUSETTS INST TECH, MA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0085</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>37450000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>37450000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0121</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev., 0.89% (Baystate Med. Ctr. Proj.) Series 2005 G, LOC Wells Fargo Bank NA VRDN</titleOfIssuer>
      <CUSIPMember>57586CNH4</CUSIPMember>
      <ISINId>US57586CNH42</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-03</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-03</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2026-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>WELLS FARGO BK NATL ASSN</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>3</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>WELLS FARGO BK NATL ASSN</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0089</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>7330000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>7330000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0024</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev., 0.89% (Partners HealthCare Sys., Inc. Proj.) Series 2005 F, LOC TD Banknorth, NA VRDN</titleOfIssuer>
      <CUSIPMember>57586CGB5</CUSIPMember>
      <ISINId>US57586CGB54</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2040-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>TD BANK NA WILMINGTON DE</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>TD BANK NA WILMINGTON DE</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0089</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>5075000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>5075000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0016</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev., 0.89% (Southcoast Health Sys. Obligated Group Proj.) Series 2008 C, LOC TD Banknorth, NA VRDN</titleOfIssuer>
      <CUSIPMember>57586C6T7</CUSIPMember>
      <ISINId>US57586C6T73</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2031-08-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>TD BANK NA WILMINGTON DE</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>TD BANK NA WILMINGTON DE</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0089</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>42175000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>42175000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0136</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev., 0.89% (CIL Realty of Massachusetts Proj.) Series 2007, LOC HSBC Bank U.S.A., NA VRDN</titleOfIssuer>
      <CUSIPMember>57586CXK6</CUSIPMember>
      <ISINId>US57586CXK60</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2036-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>HSBC BANK USA NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>HSBC BANK USA NA</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0089</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>8190000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>8190000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0026</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev., 0.89% (Children's Hosp. Proj.) Series 2010 N3, LOC U.S. Bank NA, Cincinnati VRDN</titleOfIssuer>
      <CUSIPMember>57586EUL3</CUSIPMember>
      <ISINId>US57586EUL37</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2038-10-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>US BANK NA CINCINNATI OHIO</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>US BANK NA CINCINNATI OHIO</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0089</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>62100000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>62100000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0201</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev., 0.89% (Baystate Health Sys. Proj.) Series 2009 K, LOC Bank of America NA VRDN</titleOfIssuer>
      <CUSIPMember>57586EKA8</CUSIPMember>
      <ISINId>US57586EKA81</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2039-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>BANK OF AMERICA NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>BANK OF AMERICA NA</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0089</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>13600000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>13600000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0044</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev., 0.90% (Boston Univ. Proj.) Series H, LOC State Street Bank &amp; Trust Co., Boston VRDN</titleOfIssuer>
      <CUSIPMember>575850NF5</CUSIPMember>
      <ISINId>US575850NF59</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2029-12-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>STATE ST BK &amp; TR CO BOSTON</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>STATE ST BK &amp; TR CO BOSTON</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0090</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>4575000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>4575000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0015</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev., 0.91% (Baystate Health Sys. Proj.) Series 2009 J1, LOC JPMorgan Chase Bank VRDN</titleOfIssuer>
      <CUSIPMember>57586EKC4</CUSIPMember>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2044-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>JPMORGAN CHASE BANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>JPMORGAN CHASE BANK NA</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0091</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>35000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>35000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0113</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev., 0.92% (Baystate Health Sys. Proj.) Series 2009 J2, LOC JPMorgan Chase Bank VRDN</titleOfIssuer>
      <CUSIPMember>57586EKB6</CUSIPMember>
      <ISINId>US57586EKB64</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-03</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-03</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2044-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>JPMORGAN CHASE BANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>3</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>JPMORGAN CHASE BANK NA</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0092</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>9440000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>9440000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0031</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev., 0.92% (Children's Hosp. Proj.) Series 2010 N4, LOC Wells Fargo Bank NA VRDN</titleOfIssuer>
      <CUSIPMember>57586EUJ8</CUSIPMember>
      <ISINId>US57586EUJ80</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-03</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-03</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2049-10-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>WELLS FARGO BK NATL ASSN</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>3</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>WELLS FARGO BK NATL ASSN</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0092</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>47700000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>47700000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0154</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev., 0.92% (Harvard Univ. Proj.) Series Y VRDN</titleOfIssuer>
      <CUSIPMember>57585KKV9</CUSIPMember>
      <ISINId>US57585KKV97</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2035-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>PRESIDENT &amp; FELLOWS HARVARD CO</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0092</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>4625000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>4625000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0015</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev., 0.92% (Williams College Proj.) Series I VRDN</titleOfIssuer>
      <CUSIPMember>57586CEA9</CUSIPMember>
      <ISINId>US57586CEA99</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2033-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>WILLIAMS COLLEGE, MA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0092</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>10950000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>10950000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0035</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev., 0.92% (Massachusetts Institute of Technology Proj.) Series 2001 J2 VRDN</titleOfIssuer>
      <CUSIPMember>57585KSV1</CUSIPMember>
      <ISINId>US57585KSV16</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2031-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>MASSACHUSETTS INST TECH, MA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0092</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>64995000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>64995000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0210</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev., 0.94% (Henry Heywood Memorial Hosp. Proj.) Series 2009 C, LOC TD Banknorth, NA VRDN</titleOfIssuer>
      <CUSIPMember>57586EGT2</CUSIPMember>
      <ISINId>US57586EGT29</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-03</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-03</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2038-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>TD BANK NA WILMINGTON DE</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>3</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>TD BANK NA WILMINGTON DE</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0094</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1070000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1070000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0003</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev., 0.96% Series 2009 O-1, LOC Fed. Home Ln. Bank of Boston VRDN</titleOfIssuer>
      <CUSIPMember>57586ELD1</CUSIPMember>
      <ISINId>US57586ELD12</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2031-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>FEDERAL HOME LN BK OF BOSTON</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>FEDERAL HOME LN BK OF BOSTON</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0096</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>17195000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>17195000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0056</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev., 0.98% (Northeast Hosp. Corp. Proj.) Series 2004 G, LOC JPMorgan Chase Bank VRDN</titleOfIssuer>
      <CUSIPMember>57586CDV4</CUSIPMember>
      <ISINId>US57586CDV46</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2034-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>JPMORGAN CHASE BANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>JPMORGAN CHASE BANK NA</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0098</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>35040000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>35040000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0113</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Hsg. Fin. Agcy. Hsg. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Hsg. Fin. Agcy. Hsg. Rev., 0.92% (Princeton Westford Proj.) Series 2015 A, LOC Bank of America NA VRDN</titleOfIssuer>
      <CUSIPMember>57587AJA7</CUSIPMember>
      <ISINId>US57587AJA79</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2034-01-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>BANK OF AMERICA NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>BANK OF AMERICA NA</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0092</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>13900000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>13900000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0045</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Hsg. Fin. Agcy. Multi-Family Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Hsg. Fin. Agcy. Multi-Family Rev., 0.91% Series 2013 F, LOC TD Banknorth, NA VRDN</titleOfIssuer>
      <CUSIPMember>57586NUP4</CUSIPMember>
      <ISINId>US57586NUP40</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2038-12-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>TD BANK NA WILMINGTON DE</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>TD BANK NA WILMINGTON DE</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0091</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>25580000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>25580000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0083</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Hsg. Fin. Agcy. Multi-Family Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Hsg. Fin. Agcy. Multi-Family Rev., 0.94% Series 2009 A, LOC TD Banknorth, NA VRDN</titleOfIssuer>
      <CUSIPMember>57586NDU2</CUSIPMember>
      <ISINId>US57586NDU28</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2043-01-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>TD BANK NA WILMINGTON DE</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>TD BANK NA WILMINGTON DE</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0094</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>6590000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>6590000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0021</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Indl. Fin. Agcy. Indl. Dev. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Indl. Fin. Agcy. Indl. Dev. Rev., 1.28% (Boutwell Owens &amp; Co., Inc. Proj.) Series 1998, LOC Wells Fargo Bank NA VRDN</titleOfIssuer>
      <CUSIPMember>575855V73</CUSIPMember>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-05</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-06-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>WELLS FARGO BK NATL ASSN</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>WELLS FARGO BK NATL ASSN</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0128</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>80000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>80000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0000</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Indl. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Indl. Fin. Agcy. Rev., 0.91% (Governor Dummer Academy Proj.) Series 1996, LOC TD Banknorth, NA VRDN</titleOfIssuer>
      <CUSIPMember>5759147M2</CUSIPMember>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2026-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>TD BANK NA WILMINGTON DE</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>TD BANK NA WILMINGTON DE</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0091</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>5700000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>5700000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0018</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Port Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Port Auth. Rev., 0.92% Series 2010 D, LOC State Street Bank &amp; Trust Co., Boston VRDN</titleOfIssuer>
      <CUSIPMember>575896JD8</CUSIPMember>
      <ISINId>US575896JD87</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2029-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>STATE ST BK &amp; TR CO BOSTON</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>STATE ST BK &amp; TR CO BOSTON</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0092</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>78690000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>78690000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0254</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Port Auth. Spl. Proj. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Port Auth. Spl. Proj. Rev., 0.94% (Harborside Hyatt Proj.) Series 2001 A, LOC U.S. Bank NA, Cincinnati VRDN</titleOfIssuer>
      <CUSIPMember>575897AC7</CUSIPMember>
      <ISINId>US575897AC78</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-05</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-03-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>US BANK NA CINCINNATI OHIO</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>US BANK NA CINCINNATI OHIO</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0094</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>32100000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>32100000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0104</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Wtr. Resources Auth. Wtr. &amp; Swr. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Wtr. Resources Auth. Wtr. &amp; Swr. Rev., 0.90% Series 2008 C2, (Liquidity Facility Barclays Bank PLC) VRDN</titleOfIssuer>
      <CUSIPMember>576051CE4</CUSIPMember>
      <ISINId>US576051CE41</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2026-11-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>BARCLAYS BANK PLC</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0090</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>30230000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>30230000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0098</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Wtr. Resources Auth. Wtr. &amp; Swr. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Wtr. Resources Auth. Wtr. &amp; Swr. Rev., 0.90% Series 1999 B, LOC Landesbank Hessen-Thuringen VRDN</titleOfIssuer>
      <CUSIPMember>576049RU6</CUSIPMember>
      <ISINId>US576049RU64</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2028-08-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>LANDESBANK HESS-THURNGN(UNGTD)</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>LANDESBANK HESS-THURNGN(UNGTD)</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0090</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>34600000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>34600000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0112</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Univ. of Massachusetts Bldg. Auth. Facilities Rev.</nameOfIssuer>
      <titleOfIssuer>Univ. of Massachusetts Bldg. Auth. Facilities Rev., 0.92% Series 2008 1, (Liquidity Facility Barclays Bank PLC) VRDN</titleOfIssuer>
      <CUSIPMember>914440HE5</CUSIPMember>
      <ISINId>US914440HE56</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2038-05-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>BARCLAYS BANK PLC</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>Y</securityEnhancementsFlag>
      <enhancementProvider>
        <identityOfTheEnhancementProvider>UNIV OF MASSACHUSETTS</identityOfTheEnhancementProvider>
        <typeOfEnhancement>OBLIGOR</typeOfEnhancement>
        <amountProvidedByEnhancement>1.0000</amountProvidedByEnhancement>
        <enhancementRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </enhancementRatingOrNRSRO>
      </enhancementProvider>
      <yieldOfTheSecurityAsOfReportingDate>0.0092</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>112215000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>112215000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0363</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Trimble County Poll. Cont. Rev.</nameOfIssuer>
      <titleOfIssuer>Trimble County Poll. Cont. Rev., 0.96% (Louisville Gas and Elec. Co. Proj.) Series 2016 A VRDN</titleOfIssuer>
      <CUSIPMember>896224AY8</CUSIPMember>
      <ISINId>US896224AY84</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2044-09-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>LOUISVILLE GAS &amp; ELECTRIC CO</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0096</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>20200000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>20200000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0065</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Blytheville Indl. Dev. Rev.</nameOfIssuer>
      <titleOfIssuer>Blytheville Indl. Dev. Rev., 1.12% (Nucor Corp. Proj.) Series 2002 VRDN</titleOfIssuer>
      <CUSIPMember>096490BX4</CUSIPMember>
      <ISINId>US096490BX47</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2033-01-02</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>NUCOR CORP</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0112</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1200000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1200000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0004</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Osceola Solid Waste Disp. Rev.</nameOfIssuer>
      <titleOfIssuer>Osceola Solid Waste Disp. Rev., 1.08% (Plum Point Energy Associates, LLC Proj.) Series 2006, LOC Royal Bank of Scotland PLC VRDN</titleOfIssuer>
      <CUSIPMember>688008AA9</CUSIPMember>
      <ISINId>US688008AA93</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2036-04-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>ROYAL BANK OF SCOTLAND PLC</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>ROYAL BANK OF SCOTLAND PLC</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0108</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>12300000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>12300000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0040</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Connecticut Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Connecticut Gen. Oblig., 1.05% Series 2016 C, (Liquidity Facility Bank of America NA) VRDN</titleOfIssuer>
      <CUSIPMember>20772JZ39</CUSIPMember>
      <ISINId>US20772JZ396</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2034-05-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>BANK OF AMERICA NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0105</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>10000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>10000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0032</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Iowa Fin. Auth. Solid Disp. Waste Rev.</nameOfIssuer>
      <titleOfIssuer>Iowa Fin. Auth. Solid Disp. Waste Rev., 0.99% (MidAmerican Energy Proj.) Series 2008 A VRDN</titleOfIssuer>
      <CUSIPMember>46245EAW7</CUSIPMember>
      <ISINId>US46245EAW75</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2038-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>MIDAMERICAN ENERGY CO</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0099</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3700000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3700000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0012</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Iowa Fin. Auth. Solid Disp. Waste Rev.</nameOfIssuer>
      <titleOfIssuer>Iowa Fin. Auth. Solid Disp. Waste Rev., 0.99% (MidAmerican Energy Co. Proj.) Series 2016 B VRDN</titleOfIssuer>
      <CUSIPMember>46245EAY3</CUSIPMember>
      <ISINId>US46245EAY32</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2046-12-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>MIDAMERICAN ENERGY CO</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0099</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>5600000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>5600000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0018</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>West Virginia Econ. Dev. Auth. Solid Waste Disp. Facilities Rev.</nameOfIssuer>
      <titleOfIssuer>West Virginia Econ. Dev. Auth. Solid Waste Disp. Facilities Rev., 1.16% (Appalachian Pwr. Co. - Amos Proj.) Series 2008 B VRDN</titleOfIssuer>
      <CUSIPMember>95648VAL3</CUSIPMember>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2036-02-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>APPALACHIAN POWER CO</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0116</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>5800000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>5800000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0019</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>West Virginia Econ. Dev. Auth. Solid Waste Disp. Facilities Rev.</nameOfIssuer>
      <titleOfIssuer>West Virginia Econ. Dev. Auth. Solid Waste Disp. Facilities Rev., 1.20% (Appalachian Pwr. Co.- Mountaineer Proj.) Series 2008 A VRDN</titleOfIssuer>
      <CUSIPMember>95648VAW9</CUSIPMember>
      <ISINId>US95648VAW90</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2036-02-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>APPALACHIAN POWER CO</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0120</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3100000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3100000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0010</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Delaware Econ. Dev. Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Delaware Econ. Dev. Auth. Rev., 1.03% (Delmarva Pwr. &amp; Lt. Co. Proj.) Series 1999 B VRDN</titleOfIssuer>
      <CUSIPMember>246387JR6</CUSIPMember>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2024-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>DELMARVA POWER &amp; LIGHT</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0103</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1300000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1300000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0004</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Delaware Econ. Dev. Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Delaware Econ. Dev. Auth. Rev., 1.09% (Delmarva Pwr. &amp; Lt. Co. Proj.) Series 1993 C VRDN</titleOfIssuer>
      <CUSIPMember>246387DW1</CUSIPMember>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2028-10-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>DELMARVA POWER &amp; LIGHT</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0109</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1200000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1200000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0004</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Delaware Econ. Dev. Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Delaware Econ. Dev. Auth. Rev., 1.18% (Delmarva Pwr. &amp; Lt. Co. Proj.) Series 1987 VRDN</titleOfIssuer>
      <CUSIPMember>246387BK9</CUSIPMember>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-03</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-03</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-10-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>DELMARVA POWER &amp; LIGHT</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>3</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0118</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>800000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>800000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0003</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Delaware Econ. Dev. Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Delaware Econ. Dev. Auth. Rev., 1.18% (Delmarva Pwr. &amp; Lt. Co. Proj.) Series 1994 VRDN</titleOfIssuer>
      <CUSIPMember>246387FB5</CUSIPMember>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-03</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-03</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2029-10-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>DELMARVA POWER &amp; LIGHT</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>3</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0118</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1300000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1300000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0004</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Delaware Econ. Dev. Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Delaware Econ. Dev. Auth. Rev., 1.18% (Delmarva Pwr. &amp; Lt. Co. Proj.) Series 1988 VRDN</titleOfIssuer>
      <CUSIPMember>246387BL7</CUSIPMember>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-03</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-03</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-10-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>DELMARVA POWER &amp; LIGHT</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>3</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0118</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2200000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2200000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0007</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Decatur Indl. Dev. Board Exempt Facilities Rev.</nameOfIssuer>
      <titleOfIssuer>Decatur Indl. Dev. Board Exempt Facilities Rev., 1.10% (Nucor Steel Decatur LLC Proj.) Series 2003 A VRDN</titleOfIssuer>
      <CUSIPMember>242846AA1</CUSIPMember>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2036-08-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>NUCOR CORP</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0110</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3500000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3500000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0011</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Mobile Indl. Dev. Board Rev.</nameOfIssuer>
      <titleOfIssuer>Mobile Indl. Dev. Board Rev., 0.99% (Alabama Pwr. Co. Proj.) Series 2001 B VRDN</titleOfIssuer>
      <CUSIPMember>607166AB1</CUSIPMember>
      <ISINId>US607166AB17</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-03</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-03</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2031-09-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>ALABAMA POWER CO</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>3</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0099</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2750000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2750000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0009</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Indiana Dev. Fin. Auth. Envir. Rev.</nameOfIssuer>
      <titleOfIssuer>Indiana Dev. Fin. Auth. Envir. Rev., 1.10% (PSI Energy Proj.) Series 2003 B VRDN</titleOfIssuer>
      <CUSIPMember>454912AT3</CUSIPMember>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2038-12-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>DUKE ENERGY IND INC</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0110</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>800000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>800000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0003</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Lawrenceburg Poll. Cont. Rev.</nameOfIssuer>
      <titleOfIssuer>Lawrenceburg Poll. Cont. Rev., 1.05% (Indiana Michigan Pwr. Co. Proj.) Series I VRDN</titleOfIssuer>
      <CUSIPMember>520453AN1</CUSIPMember>
      <ISINId>US520453AN10</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2021-11-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>INDIANA MICHIGAN POWER CO</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0105</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>800000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>800000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0003</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Lawrenceburg Poll. Cont. Rev.</nameOfIssuer>
      <titleOfIssuer>Lawrenceburg Poll. Cont. Rev., 1.05% (Indiana Michigan Pwr. Co. Proj.) Series H VRDN</titleOfIssuer>
      <CUSIPMember>520453AM3</CUSIPMember>
      <ISINId>US520453AM37</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2021-11-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>INDIANA MICHIGAN POWER CO</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0105</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1900000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1900000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0006</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Michigan City Ltd. Oblig. Rev.</nameOfIssuer>
      <titleOfIssuer>Michigan City Ltd. Oblig. Rev., 1.06% (Palatek Proj.) LOC Comerica Bank VRDN</titleOfIssuer>
      <CUSIPMember>594316AA9</CUSIPMember>
      <ISINId>US594316AA90</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2037-09-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>COMERICA BK DALLAS TEX</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>COMERICA BK DALLAS TEX</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0106</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2715000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2715000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0009</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Stanton County Indl. Dev. Rev.</nameOfIssuer>
      <titleOfIssuer>Stanton County Indl. Dev. Rev., 1.10% (Nucor Corp. Proj.) Series 1996 VRDN</titleOfIssuer>
      <CUSIPMember>854743AD3</CUSIPMember>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2026-11-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>NUCOR CORP</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0110</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3400000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3400000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0011</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Saint James Parish Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Saint James Parish Gen. Oblig., 1.05% (Nucor Steel Louisiana LLC Proj.) Series 2010 A1 VRDN</titleOfIssuer>
      <CUSIPMember>790103AG0</CUSIPMember>
      <ISINId>US790103AG04</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2040-11-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>NUCOR CORP</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0105</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2200000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2200000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0007</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Maricopa County Poll. Cont. Rev.</nameOfIssuer>
      <titleOfIssuer>Maricopa County Poll. Cont. Rev., 0.98% (Arizona Pub. Svc. Co. Palo Verde Proj.) Series 2009 A VRDN</titleOfIssuer>
      <CUSIPMember>566854EB7</CUSIPMember>
      <ISINId>US566854EB75</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2029-05-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>ARIZONA PUBLIC SERVICE CO</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0098</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1800000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1800000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0006</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Port Arthur Navigation District Jefferson County Rev.</nameOfIssuer>
      <titleOfIssuer>Port Arthur Navigation District Jefferson County Rev., 1.05% Series 2000 B, (Total SA Guaranteed) VRDN</titleOfIssuer>
      <CUSIPMember>735225AF1</CUSIPMember>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2035-05-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>TOTAL SA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>TOTAL SA</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0105</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1300000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1300000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0004</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Savannah Econ. Dev. Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Savannah Econ. Dev. Auth. Rev., 0.99% (Home Depot, Inc. Proj.) Series 1995 A VRDN</titleOfIssuer>
      <CUSIPMember>80483CAZ4</CUSIPMember>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2025-08-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>HOME DEPOT INC</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0099</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>700000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>700000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0002</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Converse County Envir. Impt. Rev.</nameOfIssuer>
      <titleOfIssuer>Converse County Envir. Impt. Rev., 1.04% Series 1995 VRDN</titleOfIssuer>
      <CUSIPMember>212490AC0</CUSIPMember>
      <ISINId>US212490AC04</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2025-11-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>PACIFICORP</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0104</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>200000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>200000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0001</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Billerica Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Billerica Gen. Oblig., 1.07% Bonds Series Solar 17 0027, tender 08/10/2017, (Liquidity Facility U.S. Bank NA, Cincinnati)</titleOfIssuer>
      <CUSIPMember>27884FZ52</CUSIPMember>
      <ISINId>US27884FZ523</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-08-10</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-08-10</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2042-02-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>US BANK NA CINCINNATI OHIO</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>41</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0107</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3399626.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3399626.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0011</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>JPMorgan Chase</nameOfIssuer>
      <titleOfIssuer>JPMorgan Chase, 1.00% Participating VRDN Series Putters 16 5005, (Liquidity Facility JPMorgan Chase Bank)</titleOfIssuer>
      <CUSIPMember>46640KVU5</CUSIPMember>
      <ISINId>US46640KVU59</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-03</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-03</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-06-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>JPMORGAN CHASE BANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>3</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0100</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>18600000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>18600000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0060</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Clean Wtr. Trust</nameOfIssuer>
      <titleOfIssuer>Massachusetts Clean Wtr. Trust, 0.96% Bonds Series Clipper 05 36, tender 07/06/2017, (Liquidity Facility State Street Bank &amp; Trust Co., Boston)</titleOfIssuer>
      <CUSIPMember>18886PKV6</CUSIPMember>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-06</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2019-08-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>STATE ST BK &amp; TR CO BOSTON</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>6</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0096</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>8105000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>8105000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0026</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Clean Wtr. Trust</nameOfIssuer>
      <titleOfIssuer>Massachusetts Clean Wtr. Trust, 1.11% Bonds Series Clipper 06 11, tender 09/07/2017, (Liquidity Facility State Street Bank &amp; Trust Co., Boston)</titleOfIssuer>
      <CUSIPMember>18886PPV1</CUSIPMember>
      <ISINId>US18886PPV12</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-09-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-09-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2021-08-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>STATE ST BK &amp; TR CO BOSTON</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>69</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0111</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>12200000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>12200000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0039</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Commonwealth Trans. Fund Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Commonwealth Trans. Fund Rev., 0.96% Bonds Series 2016 20, tender 07/06/2017, (Liquidity Facility U.S. Bank NA, Cincinnati)</titleOfIssuer>
      <CUSIPMember>27884FQ78</CUSIPMember>
      <ISINId>US27884FQ787</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-06</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2044-06-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>US BANK NA CINCINNATI OHIO</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>6</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0096</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>18825000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>18825000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0061</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy., 0.93% Participating VRDN Series Floaters XM 03 68, (Liquidity Facility JPMorgan Chase Bank)</titleOfIssuer>
      <CUSIPMember>88033UAY5</CUSIPMember>
      <ISINId>US88033UAY55</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2034-02-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>JPMORGAN CHASE BANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0093</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>8600000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>8600000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0028</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 0.93% Participating VRDN Series 15 XF0245, (Liquidity Facility JPMorgan Chase Bank)</titleOfIssuer>
      <CUSIPMember>88033MAG2</CUSIPMember>
      <ISINId>US88033MAG24</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2045-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>JPMORGAN CHASE BANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0093</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>8135000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>8135000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0026</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 0.93% Participating VRDN Series 2016 XF2207, (Liquidity Facility Citibank NA)</titleOfIssuer>
      <CUSIPMember>88033MSD0</CUSIPMember>
      <ISINId>US88033MSD01</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2041-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>CITIBANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0093</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0006</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 0.93% Participating VRDN Series 2016 XM0136, (Liquidity Facility JPMorgan Chase Bank)</titleOfIssuer>
      <CUSIPMember>88033MRW9</CUSIPMember>
      <ISINId>US88033MRW90</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2035-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>JPMORGAN CHASE BANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0093</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1875000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1875000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0006</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 0.93% Participating VRDN Series ROC II R 11999X, (Liquidity Facility Citibank NA)</titleOfIssuer>
      <CUSIPMember>57583UNK0</CUSIPMember>
      <ISINId>US57583UNK06</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2031-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>CITIBANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0093</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>6785000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>6785000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0022</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 0.93% Participating VRDN Series 2016 XM0137, (Liquidity Facility JPMorgan Chase Bank)</titleOfIssuer>
      <CUSIPMember>88033MRY5</CUSIPMember>
      <ISINId>US88033MRY56</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2035-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>JPMORGAN CHASE BANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0093</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2865000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2865000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0009</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 0.94% Participating VRDN Series MS 3373, (Liquidity Facility Morgan Stanley Bank, West Valley City Utah)</titleOfIssuer>
      <CUSIPMember>57583UK49</CUSIPMember>
      <ISINId>US57583UK491</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2046-10-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>MORGAN STANLEY BK NA SALT LAKE</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0094</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>7100000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>7100000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0023</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 0.94% Participating VRDN Series MS 3389X, (Liquidity Facility Morgan Stanley Bank, West Valley City Utah)</titleOfIssuer>
      <CUSIPMember>57583UL55</CUSIPMember>
      <ISINId>US57583UL556</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2044-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>MORGAN STANLEY BK NA SALT LAKE</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0094</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2500000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2500000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0008</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 1.21% Bonds Series WF 10 56C, tender 08/03/2017, (Liquidity Facility Wells Fargo Bank NA)</titleOfIssuer>
      <CUSIPMember>94985NZX2</CUSIPMember>
      <ISINId>US94985NZX29</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-08-03</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-08-03</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2040-10-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>WELLS FARGO BK NATL ASSN</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>34</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0121</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>19805000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>19805000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0064</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>Y</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 0.93% Participating VRDN Series Floaters XM 04 28, (Liquidity Facility JPMorgan Chase Bank)</titleOfIssuer>
      <CUSIPMember>88033UPA1</CUSIPMember>
      <ISINId>US88033UPA15</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2023-04-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>JPMORGAN CHASE BANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0093</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>7500000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>7500000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0024</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 0.93% Participating VRDN Series 16 XM0221, (Liquidity Facility JPMorgan Chase Bank)</titleOfIssuer>
      <CUSIPMember>88033SFT6</CUSIPMember>
      <ISINId>US88033SFT69</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2030-08-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>JPMORGAN CHASE BANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0093</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>13455000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>13455000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0044</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 0.93% Participating VRDN Series 16 XM 03 35, (Liquidity Facility JPMorgan Chase Bank)</titleOfIssuer>
      <CUSIPMember>88033SXY5</CUSIPMember>
      <ISINId>US88033SXY52</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2038-04-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>JPMORGAN CHASE BANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0093</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>6700000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>6700000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0022</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 0.93% Participating VRDN Series Floaters XM 03 72, (Liquidity Facility JPMorgan Chase Bank)</titleOfIssuer>
      <CUSIPMember>88033UBG3</CUSIPMember>
      <ISINId>US88033UBG31</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2027-04-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>JPMORGAN CHASE BANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0093</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>4000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>4000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0013</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 0.94% Participating VRDN Series Floaters 16 ZF2364, (Liquidity Facility Barclays Bank PLC)</titleOfIssuer>
      <CUSIPMember>88033UGF0</CUSIPMember>
      <ISINId>US88033UGF03</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2042-09-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>BARCLAYS BANK PLC</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0094</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>4400000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>4400000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0014</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 0.95% Participating VRDN Series Floaters XF 05 28, (Liquidity Facility Toronto-Dominion Bank)</titleOfIssuer>
      <CUSIPMember>88033UTX7</CUSIPMember>
      <ISINId>US88033UTX71</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2033-04-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>TORONTO DOMINION BANK - NY</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0095</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2385000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2385000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0008</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 0.95% Participating VRDN Series Floaters XF 05 30, (Liquidity Facility Toronto-Dominion Bank)</titleOfIssuer>
      <CUSIPMember>88033UUL1</CUSIPMember>
      <ISINId>US88033UUL15</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2035-12-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>TORONTO DOMINION BANK - NY</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0095</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2830000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2830000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0009</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 0.95% Participating VRDN Series 16 ZF0377, (Liquidity Facility Toronto-Dominion Bank)</titleOfIssuer>
      <CUSIPMember>88033MM95</CUSIPMember>
      <ISINId>US88033MM956</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2046-03-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>TORONTO DOMINION BANK - NY</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0095</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>4375000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>4375000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0014</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 0.96% Bonds Series Clipper 07 39, tender 07/06/2017, (Liquidity Facility State Street Bank &amp; Trust Co., Boston)</titleOfIssuer>
      <CUSIPMember>18886PA39</CUSIPMember>
      <ISINId>US18886PA398</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-06</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2026-11-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>STATE ST BK &amp; TR CO BOSTON</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>6</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0096</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>72700000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>72700000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0235</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 0.96% Participating VRDN Series 16 XF0374, (Liquidity Facility Bank of America NA)</titleOfIssuer>
      <CUSIPMember>88033ME94</CUSIPMember>
      <ISINId>US88033ME946</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2046-03-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>BANK OF AMERICA NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0096</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>9000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>9000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0029</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 1.11% Bonds Series Clipper 07 41, tender 09/07/2017, (Liquidity Facility State Street Bank &amp; Trust Co., Boston)</titleOfIssuer>
      <CUSIPMember>18886PB79</CUSIPMember>
      <ISINId>US18886PB792</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-09-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-09-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2024-09-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>STATE ST BK &amp; TR CO BOSTON</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>69</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0111</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>42192404.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>42192404.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0136</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>Y</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 1.11% Bonds Series Clipper 07 06, tender 09/07/2017, (Liquidity Facility State Street Bank &amp; Trust Co., Boston)</titleOfIssuer>
      <CUSIPMember>18886PRV9</CUSIPMember>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-09-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-09-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2025-08-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>STATE ST BK &amp; TR CO BOSTON</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>69</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0111</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>36075000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>36075000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0117</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>Y</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev., 0.93% Participating VRDN Series 16 XM0217, (Liquidity Facility JPMorgan Chase Bank)</titleOfIssuer>
      <CUSIPMember>88033SFK5</CUSIPMember>
      <ISINId>US88033SFK50</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2036-11-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>JPMORGAN CHASE BANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0093</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>41800000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>41800000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0135</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev., 0.93% Participating VRDN Series Floaters XF 00 47, (Liquidity Facility JPMorgan Chase Bank)</titleOfIssuer>
      <CUSIPMember>88033LDS5</CUSIPMember>
      <ISINId>US88033LDS51</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2034-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>JPMORGAN CHASE BANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0093</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>9600000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>9600000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0031</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev., 0.95% Participating VRDN Series BA 15 XM0074, (Liquidity Facility Bank of America NA)</titleOfIssuer>
      <CUSIPMember>88033MDE4</CUSIPMember>
      <ISINId>US88033MDE49</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2038-10-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>BANK OF AMERICA NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0095</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>10000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>10000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0032</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev., 0.96% Bonds Series Clipper 07 08, tender 07/06/2017, (Liquidity Facility State Street Bank &amp; Trust</titleOfIssuer>
      <CUSIPMember>18886PSL0</CUSIPMember>
      <ISINId>US18886PSL03</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-06</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2023-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>STATE ST BK &amp; TR CO BOSTON</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>6</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0096</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>15450000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>15450000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0050</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health and Edl. Facilities Auth.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health and Edl. Facilities Auth., 1.01% Participating VRDN Series XL 00 17, (Liquidity Facility Barclays Bank PLC)</titleOfIssuer>
      <CUSIPMember>88033SVT8</CUSIPMember>
      <ISINId>US88033SVT85</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2034-12-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>BARCLAYS BANK PLC</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0101</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>10785000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>10785000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0035</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health and Edl. Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health and Edl. Facilities Auth. Rev., 0.93% Participating VRDN Series 2017, (Liquidity Facility JPMorgan Chase Bank)</titleOfIssuer>
      <CUSIPMember>88033UL64</CUSIPMember>
      <ISINId>US88033UL647</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2036-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>JPMORGAN CHASE BANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0093</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>11175000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>11175000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0036</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev., 0.93% Participating VRDN Series Floaters YX 10 29, (Liquidity Facility Barclays Bank PLC)</titleOfIssuer>
      <CUSIPMember>88033UHW2</CUSIPMember>
      <ISINId>US88033UHW27</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2035-11-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>BARCLAYS BANK PLC</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0093</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>4610000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>4610000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0015</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev., 0.93% Participating VRDN Series Floaters XM 03 89, (Liquidity Facility JPMorgan Chase Bank)</titleOfIssuer>
      <CUSIPMember>88033UCS6</CUSIPMember>
      <ISINId>US88033UCS69</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2043-05-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>JPMORGAN CHASE BANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0093</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>4400000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>4400000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0014</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev., 0.93% Participating VRDN Series 15 XF2203, (Liquidity Facility Citibank NA)</titleOfIssuer>
      <CUSIPMember>88033MQC4</CUSIPMember>
      <ISINId>US88033MQC46</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2037-08-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>CITIBANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0093</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3960000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3960000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0013</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev., 0.93% Participating VRDN Series Floaters XM 04 30, (Liquidity Facility JPMorgan Chase Bank)</titleOfIssuer>
      <CUSIPMember>88033UPE3</CUSIPMember>
      <ISINId>US88033UPE37</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2030-08-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>JPMORGAN CHASE BANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0093</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3335000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3335000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0011</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev., 0.93% Participating VRDN Series XM 03 54, (Liquidity Facility JPMorgan Chase Bank)</titleOfIssuer>
      <CUSIPMember>88033SN67</CUSIPMember>
      <ISINId>US88033SN670</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2030-08-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>JPMORGAN CHASE BANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0093</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>4250000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>4250000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0014</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev., 0.93% Participating VRDN Series Putters 3990, (Liquidity Facility JPMorgan Chase Bank)</titleOfIssuer>
      <CUSIPMember>46636YCF5</CUSIPMember>
      <ISINId>US46636YCF51</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2032-10-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>JPMORGAN CHASE BANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0093</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0010</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev., 0.93% Participating VRDN Series 16 XM0239, (Liquidity Facility JPMorgan Chase Bank)</titleOfIssuer>
      <CUSIPMember>88033SHZ0</CUSIPMember>
      <ISINId>US88033SHZ02</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2037-08-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>JPMORGAN CHASE BANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0093</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>6425000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>6425000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0021</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev., 0.93% Participating VRDN Series ROC II R  14021, (Liquidity Facility Citibank NA)</titleOfIssuer>
      <CUSIPMember>576000MY6</CUSIPMember>
      <ISINId>US576000MY62</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2024-08-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>CITIBANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0093</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>6000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>6000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0019</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev., 0.94% Participating VRDN Series EGL 15 002, (Liquidity Facility Citibank NA)</titleOfIssuer>
      <CUSIPMember>576000SS3</CUSIPMember>
      <ISINId>US576000SS31</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2037-08-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>CITIBANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0094</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>64000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>64000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0207</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev., 0.94% Participating VRDN Series EGL 15 001, (Liquidity Facility Citibank NA)</titleOfIssuer>
      <CUSIPMember>576000SQ7</CUSIPMember>
      <ISINId>US576000SQ74</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2032-08-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>CITIBANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0094</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>56710000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>56710000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0183</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev., 0.94% Participating VRDN Series EGL 15 0004, (Liquidity Facility Citibank NA)</titleOfIssuer>
      <CUSIPMember>576000SW4</CUSIPMember>
      <ISINId>US576000SW43</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2037-08-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>CITIBANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0094</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>57460000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>57460000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0186</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev., 0.94% Participating VRDN Series EGL 15 003, (Liquidity Facility Citibank NA)</titleOfIssuer>
      <CUSIPMember>576000SU8</CUSIPMember>
      <ISINId>US576000SU86</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2037-08-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>CITIBANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0094</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>48340000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>48340000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0156</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev., 0.94% Participating VRDN Series EGL 14 C031A, (Liquidity Facility Citibank NA)</titleOfIssuer>
      <CUSIPMember>576000PR8</CUSIPMember>
      <ISINId>US576000PR84</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2038-05-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>CITIBANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0094</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>12375000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>12375000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0040</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev., 0.94% Participating VRDN Series 16 ZM0173, (Liquidity Facility Royal Bank of Canada)</titleOfIssuer>
      <CUSIPMember>88033MZE0</CUSIPMember>
      <ISINId>US88033MZE01</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2041-10-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>ROYAL BK OF CDA NEW YORK BRH</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0094</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>10000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>10000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0032</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev., 0.94% Participating VRDN Series MS 30911, (Liquidity Facility Morgan Stanley Bank, West Val</titleOfIssuer>
      <CUSIPMember>576000KH5</CUSIPMember>
      <ISINId>US576000KH57</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2037-08-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>MORGAN STANLEY BK NA SALT LAKE</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0094</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2700000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2700000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0009</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev., 0.96% Bonds Series Solar 17 13, tender 07/06/2017, (Liquidity Facility U.S. Bank NA, Cincin</titleOfIssuer>
      <CUSIPMember>27884FV98</CUSIPMember>
      <ISINId>US27884FV985</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-06</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2036-08-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>US BANK NA CINCINNATI OHIO</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>6</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0096</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3200000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3200000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0010</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Wtr. Resources Auth.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Wtr. Resources Auth., 0.93% Participating VRDN Series XM 02 87, (Liquidity Facility JPMorgan Chase Bank)</titleOfIssuer>
      <CUSIPMember>88033SNK6</CUSIPMember>
      <ISINId>US88033SNK68</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2035-08-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>JPMORGAN CHASE BANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0093</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1300000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1300000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0004</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Wtr. Resources Auth. Wtr. &amp; Swr. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Wtr. Resources Auth. Wtr. &amp; Swr. Rev., 0.93% Participating VRDN Series ROC II R 11968, (Liquidity Facility Citibank NA)</titleOfIssuer>
      <CUSIPMember>576051DR4</CUSIPMember>
      <ISINId>US576051DR45</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2035-08-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>CITIBANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0093</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>5185000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>5185000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0017</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>RBC Muni. Products, Inc. Trust</nameOfIssuer>
      <titleOfIssuer>RBC Muni. Products, Inc. Trust, 1.11% Bonds Series 2016 E74, tender 10/02/2017, (Liquidity Facility Royal Bank of Canada)</titleOfIssuer>
      <CUSIPMember>74926YW98</CUSIPMember>
      <ISINId>US74926YW985</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-10-02</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-10-02</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2031-08-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>ROYAL BK OF CDA NEW YORK BRH</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>94</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0111</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>34845000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>34845000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0113</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>Y</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Univ. of Massachusetts Bldg. Auth. Facilities Rev.</nameOfIssuer>
      <titleOfIssuer>Univ. of Massachusetts Bldg. Auth. Facilities Rev., 0.94% Participating VRDN Series XL 0042, (Liquidity Facility Morgan Stanley Bank, West Valley City</titleOfIssuer>
      <CUSIPMember>88033UZU6</CUSIPMember>
      <ISINId>US88033UZU68</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2047-11-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>MORGAN STANLEY BK NA SALT LAKE</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0094</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>8380000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>8380000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0027</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>California Health Facilities Fing. Auth.</nameOfIssuer>
      <titleOfIssuer>California Health Facilities Fing. Auth., 0.96% Participating VRDN Series 16 XG 00 49, (Liquidity Facility Deutsche Bank AG New York Branch)</titleOfIssuer>
      <CUSIPMember>88033SRV8</CUSIPMember>
      <ISINId>US88033SRV87</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2050-12-31</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>DEUTSCHE BANK AG NEW YORK BNCH</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0096</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>6125000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>6125000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0020</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Dignity Health</nameOfIssuer>
      <titleOfIssuer>Dignity Health, 0.99% Participating VRDN Series 17 04, (Liquidity Facility Barclays Bank PLC)</titleOfIssuer>
      <CUSIPMember>76252PGP8</CUSIPMember>
      <ISINId>US76252PGP80</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2042-03-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>BARCLAYS BANK PLC</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0099</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2900000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2900000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0009</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>South Carolina St. Pub. Svc. Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>South Carolina St. Pub. Svc. Auth. Rev., 1.06% Participating VRDN Series XG 0046, (Liquidity Facility Toronto-Dominion Bank)</titleOfIssuer>
      <CUSIPMember>88033SMK7</CUSIPMember>
      <ISINId>US88033SMK77</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2046-12-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>TORONTO DOMINION BANK - NY</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0106</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>4450000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>4450000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0014</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Chicago Transit Auth.</nameOfIssuer>
      <titleOfIssuer>Chicago Transit Auth., 1.01% Participating VRDN Series Floaters XM 04 50, (Liquidity Facility Barclays Bank PLC)</titleOfIssuer>
      <CUSIPMember>88033URP6</CUSIPMember>
      <ISINId>US88033URP65</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2036-12-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>BARCLAYS BANK PLC</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0101</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2635000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2635000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0009</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Omaha Pub. Pwr. District Elec. Rev.</nameOfIssuer>
      <titleOfIssuer>Omaha Pub. Pwr. District Elec. Rev., 1.02% Participating VRDN Series 16 XF1053, (Liquidity Facility Deutsche Bank AG New York Branch)</titleOfIssuer>
      <CUSIPMember>88033MD79</CUSIPMember>
      <ISINId>US88033MD799</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2049-02-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>DEUTSCHE BANK AG NEW YORK BNCH</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0102</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0006</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Colorado Health Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Colorado Health Facilities Auth. Rev., 1.11% Participating VRDN Series Floaters XF 22 41, (Liquidity Facility Citibank NA)</titleOfIssuer>
      <CUSIPMember>19648AMR3</CUSIPMember>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2041-10-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>CITIBANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0111</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1165000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1165000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0004</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Denver City &amp; County Arpt. Rev.</nameOfIssuer>
      <titleOfIssuer>Denver City &amp; County Arpt. Rev., 1.02% Participating VRDN Series Floaters XF 10 36, (Liquidity Facility Deutsche Bank AG New York Branch)</titleOfIssuer>
      <CUSIPMember>88033L6M6</CUSIPMember>
      <ISINId>US88033L6M69</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2043-11-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>DEUTSCHE BANK AG NEW YORK BNCH</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0102</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>400000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>400000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0001</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Ohio Higher Edl. Facility Commission Rev.</nameOfIssuer>
      <titleOfIssuer>Ohio Higher Edl. Facility Commission Rev., 1.13% Participating VRDN Series 2017, (Liquidity Facility Barclays Bank PLC)</titleOfIssuer>
      <CUSIPMember>76252PGX1</CUSIPMember>
      <ISINId>US76252PGX15</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-08-11</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-08-11</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2046-01-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>BARCLAYS BANK PLC</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>42</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0113</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1500000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1500000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0005</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>Y</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>New Jersey St. Trans. Trust Fund Auth.</nameOfIssuer>
      <titleOfIssuer>New Jersey St. Trans. Trust Fund Auth., 1.10% Participating VRDN Series Floaters 16 XF1059, (Liquidity Facility Deutsche Bank AG New York Branch)</titleOfIssuer>
      <CUSIPMember>88033UFY0</CUSIPMember>
      <ISINId>US88033UFY01</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2036-12-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>DEUTSCHE BANK AG NEW YORK BNCH</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>7</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0110</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1300000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1300000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0004</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Billerica Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Billerica Gen. Oblig., 2.00%  BAN Series 2016</titleOfIssuer>
      <CUSIPMember>09005PAN0</CUSIPMember>
      <ISINId>US09005PAN06</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-12-08</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-12-08</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-12-08</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0200</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3512845.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3512845.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0011</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Boston Wtr. &amp; Swr. Commission Rev.</nameOfIssuer>
      <titleOfIssuer>Boston Wtr. &amp; Swr. Commission Rev., 5.00% Bonds Series 2009 A</titleOfIssuer>
      <CUSIPMember>101029NY8</CUSIPMember>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-11-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-11-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-11-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0500</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2026260.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2026260.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0007</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Gloucester Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Gloucester Gen. Oblig., 2.00%  BAN Series 2017</titleOfIssuer>
      <CUSIPMember>379713GK0</CUSIPMember>
      <ISINId>US379713GK06</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-02-02</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-02-02</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-02-02</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0200</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>7139298.12</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>7139298.12</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0023</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Bay Trans. Auth. Assessment Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Bay Trans. Auth. Assessment Rev., 4.00% Bonds Series 2012 A</titleOfIssuer>
      <CUSIPMember>575577MH1</CUSIPMember>
      <ISINId>US575577MH19</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0400</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1900000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1900000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0006</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Bay Trans. Auth. Sales Tax Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Bay Trans. Auth. Sales Tax Rev., 0.00% Bonds Series 2007 A2, (Pre-Refunded to 7/1/2017 @ 62.473)</titleOfIssuer>
      <CUSIPMember>575579QN0</CUSIPMember>
      <ISINId>US575579QN07</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2027-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0000</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>11182846.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>11182846.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0036</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy., 0.89% Series 5, LOC TD Banknorth, NA, CP</titleOfIssuer>
      <otherUniqueId>BIE754000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-12</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-12</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-07-12</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>TD BANK NA WILMINGTON DE</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0089</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3999840.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3999840.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0013</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Elec. Util. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Elec. Util. Rev., 1.10% Bonds Series 07, tender 07/05/2017, (Massachusetts Elec. Co. Guaranteed), CP Mode</titleOfIssuer>
      <CUSIPMember>57584TAA8</CUSIPMember>
      <otherUniqueId>BJC320000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-05</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-05</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-07-05</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>MASS ELECTRIC CO</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0110</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>13300000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>13300000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0043</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Electrical Utils. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Electrical Utils. Rev., 1.05% Bonds Series 05, tender 07/17/2017, (Massachusetts Elec. Co. Guaranteed), CP Mode</titleOfIssuer>
      <CUSIPMember>57584GAC2</CUSIPMember>
      <otherUniqueId>BID236000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-17</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-17</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-07-17</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>MASS ELECTRIC CO</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0105</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>27998600.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>27998600.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0091</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Rev., 5.00% Bonds Series 2011 K6</titleOfIssuer>
      <CUSIPMember>57583R6Z3</CUSIPMember>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>Y</securityEnhancementsFlag>
      <enhancementProvider>
        <identityOfTheEnhancementProvider>PARTNERS HEALTHCARE SYS INC</identityOfTheEnhancementProvider>
        <typeOfEnhancement>OBLIGOR</typeOfEnhancement>
        <amountProvidedByEnhancement>1.0000</amountProvidedByEnhancement>
        <enhancementRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </enhancementRatingOrNRSRO>
      </enhancementProvider>
      <yieldOfTheSecurityAsOfReportingDate>0.0500</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1500000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1500000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0005</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 1.34% Bonds Series 2012 D</titleOfIssuer>
      <CUSIPMember>57582PJ92</CUSIPMember>
      <ISINId>US57582PJ925</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-01-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-01-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0134</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>12201708.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>12201708.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0039</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 1.39% Bonds Series B</titleOfIssuer>
      <CUSIPMember>57582RGA8</CUSIPMember>
      <ISINId>US57582RGA86</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-02-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-02-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0139</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>36710643.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>36710643.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0119</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 5.00% Bonds Series 2007 C, (Pre-Refunded to 8/1/2017 @ 100)</titleOfIssuer>
      <CUSIPMember>57582PFR6</CUSIPMember>
      <ISINId>US57582PFR64</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-08-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-08-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2026-08-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0500</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>40114000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>40114000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0130</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 5.00% Bonds Series 2007 C, (Pre-Refunded to 8/1/2017 @ 100)</titleOfIssuer>
      <CUSIPMember>57582PFH8</CUSIPMember>
      <ISINId>US57582PFH82</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-08-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-08-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2019-08-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0500</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2005700.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2005700.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0006</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 5.00% Bonds Series 2007 C, (Pre-Refunded to 8/1/2017 @ 100)</titleOfIssuer>
      <CUSIPMember>57582PFT2</CUSIPMember>
      <ISINId>US57582PFT21</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-08-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-08-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2027-08-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0500</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>10529925.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>10529925.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0034</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev., 0.87% Bonds Series H2, tender 08/02/2017, CP Mode</titleOfIssuer>
      <CUSIPMember>57586CW27</CUSIPMember>
      <otherUniqueId>BID266000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-08-02</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-08-02</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-08-02</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>Y</securityEnhancementsFlag>
      <enhancementProvider>
        <identityOfTheEnhancementProvider>PARTNERS HEALTHCARE SYS INC</identityOfTheEnhancementProvider>
        <typeOfEnhancement>OBLIGOR</typeOfEnhancement>
        <amountProvidedByEnhancement>1.0000</amountProvidedByEnhancement>
        <enhancementRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </enhancementRatingOrNRSRO>
      </enhancementProvider>
      <yieldOfTheSecurityAsOfReportingDate>0.0087</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>10798920.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>10798920.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0035</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev., 0.88% Bonds Series H2, tender 07/07/2017, CP Mode</titleOfIssuer>
      <CUSIPMember>57586CW27</CUSIPMember>
      <otherUniqueId>BHD007000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-07-07</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>Y</securityEnhancementsFlag>
      <enhancementProvider>
        <identityOfTheEnhancementProvider>PARTNERS HEALTHCARE SYS INC</identityOfTheEnhancementProvider>
        <typeOfEnhancement>OBLIGOR</typeOfEnhancement>
        <amountProvidedByEnhancement>1.0000</amountProvidedByEnhancement>
        <enhancementRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </enhancementRatingOrNRSRO>
      </enhancementProvider>
      <yieldOfTheSecurityAsOfReportingDate>0.0088</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>15589844.10</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>15589844.10</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0050</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev., 0.88% Bonds Series H1, tender 08/03/2017, CP Mode</titleOfIssuer>
      <CUSIPMember>57586CV93</CUSIPMember>
      <otherUniqueId>BIC410000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-08-03</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-08-03</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-08-03</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>Y</securityEnhancementsFlag>
      <enhancementProvider>
        <identityOfTheEnhancementProvider>PARTNERS HEALTHCARE SYS INC</identityOfTheEnhancementProvider>
        <typeOfEnhancement>OBLIGOR</typeOfEnhancement>
        <amountProvidedByEnhancement>1.0000</amountProvidedByEnhancement>
        <enhancementRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </enhancementRatingOrNRSRO>
      </enhancementProvider>
      <yieldOfTheSecurityAsOfReportingDate>0.0088</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>9799412.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>9799412.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0032</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev., 0.88% Bonds Series 08H1, tender 08/04/2017, CP Mode</titleOfIssuer>
      <CUSIPMember>57586CV93</CUSIPMember>
      <otherUniqueId>BID579000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-08-04</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-08-04</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-08-04</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>Y</securityEnhancementsFlag>
      <enhancementProvider>
        <identityOfTheEnhancementProvider>PARTNERS HEALTHCARE SYS INC</identityOfTheEnhancementProvider>
        <typeOfEnhancement>OBLIGOR</typeOfEnhancement>
        <amountProvidedByEnhancement>1.0000</amountProvidedByEnhancement>
        <enhancementRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </enhancementRatingOrNRSRO>
      </enhancementProvider>
      <yieldOfTheSecurityAsOfReportingDate>0.0088</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>12159148.80</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>12159148.80</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0039</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev., 0.90% Bonds Series H1, tender 07/05/2017, CP Mode</titleOfIssuer>
      <CUSIPMember>57586CV93</CUSIPMember>
      <otherUniqueId>BHC141000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-05</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-05</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-07-05</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>Y</securityEnhancementsFlag>
      <enhancementProvider>
        <identityOfTheEnhancementProvider>PARTNERS HEALTHCARE SYS INC</identityOfTheEnhancementProvider>
        <typeOfEnhancement>OBLIGOR</typeOfEnhancement>
        <amountProvidedByEnhancement>1.0000</amountProvidedByEnhancement>
        <enhancementRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </enhancementRatingOrNRSRO>
      </enhancementProvider>
      <yieldOfTheSecurityAsOfReportingDate>0.0090</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>14800000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>14800000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0048</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Health &amp; Edl. Facilities Auth. Rev., 0.93% Bonds Series H2, tender 07/03/2017, CP Mode</titleOfIssuer>
      <CUSIPMember>57586CW27</CUSIPMember>
      <otherUniqueId>BHB009000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-03</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-03</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-07-03</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>Y</securityEnhancementsFlag>
      <enhancementProvider>
        <identityOfTheEnhancementProvider>PARTNERS HEALTHCARE SYS INC</identityOfTheEnhancementProvider>
        <typeOfEnhancement>OBLIGOR</typeOfEnhancement>
        <amountProvidedByEnhancement>1.0000</amountProvidedByEnhancement>
        <enhancementRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </enhancementRatingOrNRSRO>
      </enhancementProvider>
      <yieldOfTheSecurityAsOfReportingDate>0.0093</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>15590000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>15590000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0050</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Indl. Fin. Agcy. Poll. Cont. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Indl. Fin. Agcy. Poll. Cont. Rev., 1.00% Bonds Series 1993 A, tender 07/13/2017, CP Mode</titleOfIssuer>
      <CUSIPMember>575856BF5</CUSIPMember>
      <otherUniqueId>BIB231000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-13</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-13</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-07-13</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>Y</securityEnhancementsFlag>
      <enhancementProvider>
        <identityOfTheEnhancementProvider>NEW ENGLAND POWER CO</identityOfTheEnhancementProvider>
        <typeOfEnhancement>OBLIGOR</typeOfEnhancement>
        <amountProvidedByEnhancement>1.0000</amountProvidedByEnhancement>
        <enhancementRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </enhancementRatingOrNRSRO>
      </enhancementProvider>
      <yieldOfTheSecurityAsOfReportingDate>0.0100</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0010</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Port Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Port Auth. Rev., 0.89% Series 12A, LOC TD Banknorth, NA, CP</titleOfIssuer>
      <otherUniqueId>BIA063000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-08-03</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-08-03</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-08-03</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>TD BANK NA WILMINGTON DE</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0089</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>6999580.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>6999580.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0023</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Port Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Port Auth. Rev., 0.95% Series 12B, LOC TD Banknorth, NA, CP</titleOfIssuer>
      <otherUniqueId>BIA064000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-09-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-09-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-09-07</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>TD BANK NA WILMINGTON DE</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0095</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>30998140.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>30998140.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0100</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Port Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Port Auth. Rev., 0.95% Series 12B, LOC TD Banknorth, NA, CP</titleOfIssuer>
      <otherUniqueId>BIA065000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-09-08</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-09-08</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-09-08</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>TD BANK NA WILMINGTON DE</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0095</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>30998140.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>30998140.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0100</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev., 0.87% Series B, LOC Citibank NA, CP</titleOfIssuer>
      <otherUniqueId>BIE395000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-10</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-10</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-07-10</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>CITIBANK NA</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0087</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>31599052.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>31599052.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0102</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev., 0.87% Series B, LOC Citibank NA, CP</titleOfIssuer>
      <otherUniqueId>BIF826000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-11</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-11</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-07-11</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>CITIBANK NA</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0087</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>27399452.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>27399452.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0089</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev., 0.88% Series C, LOC Barclays Bank PLC, CP</titleOfIssuer>
      <otherUniqueId>BID269000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-05</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-05</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-07-05</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>BARCLAYS BANK PLC</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0088</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>13239735.20</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>13239735.20</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0043</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev., 0.88% Series C, LOC Barclays Bank PLC, CP</titleOfIssuer>
      <otherUniqueId>BIC403000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-06</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-07-06</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>BARCLAYS BANK PLC</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0088</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>31199064.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>31199064.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0101</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev., 0.90% Series B, LOC Citibank NA, CP</titleOfIssuer>
      <otherUniqueId>BID610000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-08-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-08-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-08-07</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>CITIBANK NA</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0090</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>27198640.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>27198640.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0088</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev., 0.92% Series C, LOC Barclays Bank PLC, CP</titleOfIssuer>
      <otherUniqueId>BID581000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-08-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-08-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-08-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>BARCLAYS BANK PLC</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0092</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>20998950.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>20998950.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0068</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev., 0.92% Series C, LOC Barclays Bank PLC, CP</titleOfIssuer>
      <otherUniqueId>BIE823000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-08-02</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-08-02</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-08-02</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>BARCLAYS BANK PLC</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0092</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>17099145.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>17099145.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0055</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev., 0.92% Series C, LOC Barclays Bank PLC, CP</titleOfIssuer>
      <otherUniqueId>BIE424000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-08-04</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-08-04</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-08-04</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>BARCLAYS BANK PLC</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0092</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>7799532.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>7799532.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0025</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev., 0.96% Series C, LOC Barclays Bank PLC, CP</titleOfIssuer>
      <otherUniqueId>BHA996000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-07-07</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>BARCLAYS BANK PLC</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0096</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>25200000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>25200000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0081</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts School Bldg. Auth. Dedicated Sales Tax Rev., 5.00% Bonds Series 2007 A, (Pre-Refunded to 8/15/2017 @ 100)</titleOfIssuer>
      <CUSIPMember>576000SL8</CUSIPMember>
      <ISINId>US576000SL87</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-08-15</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-08-15</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2037-08-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0500</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>8346896.40</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>8346896.40</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0027</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Wtr. Resources Auth. Wtr. &amp; Swr. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Wtr. Resources Auth. Wtr. &amp; Swr. Rev., 0.90% Series 16, LOC TD Banknorth, NA, CP</titleOfIssuer>
      <otherUniqueId>BJC799000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-10</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-10</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-07-10</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>Y</securityGuaranteeFlag>
      <guarantor>
        <identityOfTheGuarantor>TD BANK NA WILMINGTON DE</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0090</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>6599934.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>6599934.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0021</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Orleans Gen. Oblig. Anticipation Notes</nameOfIssuer>
      <titleOfIssuer>Orleans Gen. Oblig. Anticipation Notes, 2.00%  BAN Series 2017</titleOfIssuer>
      <CUSIPMember>686628VC9</CUSIPMember>
      <ISINId>US686628VC90</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-02-09</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-02-09</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-02-09</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0200</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>12370602.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>12370602.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0040</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Revere Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Revere Gen. Oblig., 2.50%  BAN</titleOfIssuer>
      <CUSIPMember>761440G67</CUSIPMember>
      <ISINId>US761440G670</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-13</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-13</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-04-13</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0250</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3744026.87</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3744026.87</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0012</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Topsfield Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Topsfield Gen. Oblig., 2.00%  BAN Series 2016</titleOfIssuer>
      <CUSIPMember>890788FF4</CUSIPMember>
      <ISINId>US890788FF42</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-10-20</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-10-20</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-10-20</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0200</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2183683.39</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2183683.39</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0007</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Tyngsborough Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Tyngsborough Gen. Oblig., 1.25%  BAN Series 2017</titleOfIssuer>
      <CUSIPMember>902392HU6</CUSIPMember>
      <ISINId>US902392HU67</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-10-20</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-10-20</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-10-20</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0125</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3056833.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3056833.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0010</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Wakefield Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Wakefield Gen. Oblig., 1.75%  BAN Series 2017</titleOfIssuer>
      <CUSIPMember>931065QM1</CUSIPMember>
      <ISINId>US931065QM12</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-10-05</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-10-05</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-10-05</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0175</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3906489.56</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3906489.56</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0013</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>West Boylston Gen. Oblig. Anticipation Notes</nameOfIssuer>
      <titleOfIssuer>West Boylston Gen. Oblig. Anticipation Notes, 2.00%  BAN Series 2016</titleOfIssuer>
      <CUSIPMember>951529EN2</CUSIPMember>
      <ISINId>US951529EN21</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-11-17</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-11-17</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-11-17</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0200</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>4684779.45</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>4684779.45</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0015</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Westfield Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Westfield Gen. Oblig., 2.00%  BAN</titleOfIssuer>
      <CUSIPMember>960096U45</CUSIPMember>
      <ISINId>US960096U456</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-10-31</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-10-31</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-10-31</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0200</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>9160961.91</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>9160961.91</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0030</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Woburn Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Woburn Gen. Oblig., 1.85%  BAN Series 2017</titleOfIssuer>
      <CUSIPMember>977521K69</CUSIPMember>
      <ISINId>US977521K695</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-09-29</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-09-29</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-09-29</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0185</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>5410800.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>5410800.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0017</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Main Street Natural Gas, Inc. Georgia Gas Proj. Rev.</nameOfIssuer>
      <titleOfIssuer>Main Street Natural Gas, Inc. Georgia Gas Proj. Rev., 1.01% Bonds Series 2010 A2, tender 07/06/2017, (Liquidity Facility Royal Bank of Canada)</titleOfIssuer>
      <CUSIPMember>56036YEM3</CUSIPMember>
      <ISINId>US56036YEM30</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-10-02</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2040-08-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>ROYAL BANK OF CANADA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>94</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0101</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>11740000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>11740000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0038</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Main Street Natural Gas, Inc. Georgia Gas Proj. Rev.</nameOfIssuer>
      <titleOfIssuer>Main Street Natural Gas, Inc. Georgia Gas Proj. Rev., 1.01% Bonds Series 2010 A1, tender 07/06/2017, (Liquidity Facility Royal Bank of Canada)</titleOfIssuer>
      <CUSIPMember>56036YEL5</CUSIPMember>
      <ISINId>US56036YEL56</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-10-02</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2040-08-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>ROYAL BANK OF CANADA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>94</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0101</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>13275000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>13275000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0043</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>New Hampshire Bus. Fin. Auth. Poll. Cont. Rev.</nameOfIssuer>
      <titleOfIssuer>New Hampshire Bus. Fin. Auth. Poll. Cont. Rev., 1.08% Bonds Series A1, tender 07/06/2017, CP Mode</titleOfIssuer>
      <CUSIPMember>64468DAA0</CUSIPMember>
      <otherUniqueId>BJD211000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-06</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-07-06</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>Y</securityEnhancementsFlag>
      <enhancementProvider>
        <identityOfTheEnhancementProvider>NEW ENGLAND POWER CO</identityOfTheEnhancementProvider>
        <typeOfEnhancement>OBLIGOR</typeOfEnhancement>
        <amountProvidedByEnhancement>1.0000</amountProvidedByEnhancement>
        <enhancementRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </enhancementRatingOrNRSRO>
      </enhancementProvider>
      <yieldOfTheSecurityAsOfReportingDate>0.0108</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>6800000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>6800000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0022</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Halifax County Indl. Dev. Auth. Poll. Cont. Rev.</nameOfIssuer>
      <titleOfIssuer>Halifax County Indl. Dev. Auth. Poll. Cont. Rev., 1.07% Bonds Series 2017, tender 07/12/2017, CP Mode</titleOfIssuer>
      <CUSIPMember>405795AA3</CUSIPMember>
      <otherUniqueId>BIG258000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-12</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-12</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-07-12</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>Y</securityEnhancementsFlag>
      <enhancementProvider>
        <identityOfTheEnhancementProvider>VIRGINIA ELECTRIC AND POWER CO</identityOfTheEnhancementProvider>
        <typeOfEnhancement>OBLIGOR</typeOfEnhancement>
        <amountProvidedByEnhancement>1.0000</amountProvidedByEnhancement>
        <enhancementRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </enhancementRatingOrNRSRO>
      </enhancementProvider>
      <yieldOfTheSecurityAsOfReportingDate>0.0107</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3600000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3600000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0012</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Grant County Cmnty. Solid Waste Disp. Rev.</nameOfIssuer>
      <titleOfIssuer>Grant County Cmnty. Solid Waste Disp. Rev., 1.10% Bonds Series 96, tender 07/24/2017, CP Mode</titleOfIssuer>
      <CUSIPMember>388076AA9</CUSIPMember>
      <otherUniqueId>BIF788000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-24</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-24</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-07-24</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>Y</securityEnhancementsFlag>
      <enhancementProvider>
        <identityOfTheEnhancementProvider>VIRGINIA ELECTRIC AND POWER CO</identityOfTheEnhancementProvider>
        <typeOfEnhancement>OBLIGOR</typeOfEnhancement>
        <amountProvidedByEnhancement>1.0000</amountProvidedByEnhancement>
        <enhancementRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </enhancementRatingOrNRSRO>
      </enhancementProvider>
      <yieldOfTheSecurityAsOfReportingDate>0.0110</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2899855.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2899855.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0009</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Jefferson County Poll. Cont. Rev.</nameOfIssuer>
      <titleOfIssuer>Jefferson County Poll. Cont. Rev., 0.97% Bonds Series 2001 A, tender 07/05/2017, CP Mode</titleOfIssuer>
      <CUSIPMember>473044BV6</CUSIPMember>
      <otherUniqueId>BIE843000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-05</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-05</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-07-05</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>Y</securityEnhancementsFlag>
      <enhancementProvider>
        <identityOfTheEnhancementProvider>LOUISVILLE GAS &amp; ELECTRIC CO</identityOfTheEnhancementProvider>
        <typeOfEnhancement>OBLIGOR</typeOfEnhancement>
        <amountProvidedByEnhancement>1.0000</amountProvidedByEnhancement>
        <enhancementRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </enhancementRatingOrNRSRO>
      </enhancementProvider>
      <yieldOfTheSecurityAsOfReportingDate>0.0097</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2399976.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2399976.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0008</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Fidelity Revere Str Trust</nameOfIssuer>
      <titleOfIssuer>Fidelity Municipal Cash Central Fund, 0.95%</titleOfIssuer>
      <CUSIPMember>31635A204</CUSIPMember>
      <ISINId>US31635A2042</ISINId>
      <cik>0001022695</cik>
      <investmentCategory>Investment Company</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2017-07-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-07-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2040-12-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0095</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>361492490.25</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>361492490.25</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.1169</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <signature>
      <registrant>Fidelity Massachusetts Municipal Trust: Fidelity Massachusetts Municipal Money Market Fund</registrant>
      <signatureDate>2017-07-05</signatureDate>
      <signature>Stephanie Dorsey</signature>
      <nameOfSigningOfficer>Stephanie Dorsey</nameOfSigningOfficer>
      <titleOfSigningOfficer>President and Treasurer</titleOfSigningOfficer>
    </signature>
  </formData>
</edgarSubmission>
