<?xml version="1.0" encoding="UTF-8"?>
<edgarSubmission xsi:schemaLocation="http://www.sec.gov/edgar/nmfp2 eis_NMFP2_Filer.xsd" xmlns="http://www.sec.gov/edgar/nmfp2" xmlns:common="http://www.sec.gov/edgar/common" xmlns:nmfp2common="http://www.sec.gov/edgar/nmfp2common" xmlns:statecodes="http://www.sec.gov/edgar/statecodes" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <headerData>
    <submissionType>N-MFP2</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0000357057</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <notifications></notifications>
    </filerInfo>
  </headerData>
  <formData>
    <generalInfo>
      <reportDate>2018-03-31</reportDate>
      <cik>0000357057</cik>
      <registrantLEIId>549300HTRNJ3JC8ANN48</registrantLEIId>
      <seriesId>S000007115</seriesId>
      <totalShareClassesInSeries>1</totalShareClassesInSeries>
      <finalFilingFlag>N</finalFilingFlag>
      <fundAcqrdOrMrgdWthAnthrFlag>N</fundAcqrdOrMrgdWthAnthrFlag>
    </generalInfo>
    <seriesLevelInfo>
      <securitiesActFileNumber>002-75537</securitiesActFileNumber>
      <adviser>
        <adviserName>FIDELITY MANAGEMENT &amp; RESEARCH COMPANY (FMR)</adviserName>
        <adviserFileNumber>801-07884</adviserFileNumber>
      </adviser>
      <subAdviser>
        <adviserName>FIDELITY INVESTMENTS MONEY MANAGEMENT, INC.</adviserName>
        <adviserFileNumber>801-34590</adviserFileNumber>
      </subAdviser>
      <subAdviser>
        <adviserName>FMR INVESTMENT MANAGEMENT (U.K.) LIMITED</adviserName>
        <adviserFileNumber>801-28773</adviserFileNumber>
      </subAdviser>
      <subAdviser>
        <adviserName>FIDELITY MANAGEMENT &amp; RESEARCH (HONG KONG) LIMITED</adviserName>
        <adviserFileNumber>801-69507</adviserFileNumber>
      </subAdviser>
      <subAdviser>
        <adviserName>FIDELITY MANAGEMENT &amp; RESEARCH (JAPAN) LIMITED</adviserName>
        <adviserFileNumber>801-69571</adviserFileNumber>
      </subAdviser>
      <indpPubAccountant>
        <name>DELOITTE &amp; TOUCHE LLP</name>
        <city>Boston</city>
        <stateCountry>MA</stateCountry>
      </indpPubAccountant>
      <administrator>
        <administratorName>None</administratorName>
      </administrator>
      <transferAgent>
        <name>FIDELITY INVESTMENTS INSTIT. OPERATIONS CO.</name>
        <cik>0000862124</cik>
        <fileNumber>084-01839</fileNumber>
      </transferAgent>
      <feederFundFlag>N</feederFundFlag>
      <masterFundFlag>N</masterFundFlag>
      <seriesFundInsuCmpnySepAccntFlag>N</seriesFundInsuCmpnySepAccntFlag>
      <moneyMarketFundCategory>Single State</moneyMarketFundCategory>
      <fundExemptRetailFlag>Y</fundExemptRetailFlag>
      <averagePortfolioMaturity>31</averagePortfolioMaturity>
      <averageLifeMaturity>31</averageLifeMaturity>
      <totalValueWeeklyLiquidAssets>
        <nmfp2common:fridayWeek1>1940178203.33</nmfp2common:fridayWeek1>
        <nmfp2common:fridayWeek2>1799578515.89</nmfp2common:fridayWeek2>
        <nmfp2common:fridayWeek3>1758054571.12</nmfp2common:fridayWeek3>
        <nmfp2common:fridayWeek4>1723113519.19</nmfp2common:fridayWeek4>
        <nmfp2common:fridayWeek5>1789947432.97</nmfp2common:fridayWeek5>
      </totalValueWeeklyLiquidAssets>
      <percentageWeeklyLiquidAssets>
        <nmfp2common:fridayWeek1>0.7800</nmfp2common:fridayWeek1>
        <nmfp2common:fridayWeek2>0.7300</nmfp2common:fridayWeek2>
        <nmfp2common:fridayWeek3>0.7100</nmfp2common:fridayWeek3>
        <nmfp2common:fridayWeek4>0.7100</nmfp2common:fridayWeek4>
        <nmfp2common:fridayWeek5>0.7400</nmfp2common:fridayWeek5>
      </percentageWeeklyLiquidAssets>
      <cash>0.00</cash>
      <totalValuePortfolioSecurities>2380989897.98</totalValuePortfolioSecurities>
      <amortizedCostPortfolioSecurities>2381357911.86</amortizedCostPortfolioSecurities>
      <totalValueOtherAssets>30352369.25</totalValueOtherAssets>
      <totalValueLiabilities>10424609.96</totalValueLiabilities>
      <netAssetOfSeries>2401285671.15</netAssetOfSeries>
      <numberOfSharesOutstanding>2397713612.94</numberOfSharesOutstanding>
      <stablePricePerShare>1.0000</stablePricePerShare>
      <sevenDayGrossYield>0.0146</sevenDayGrossYield>
      <netAssetValue>
        <nmfp2common:fridayWeek1>1.0014</nmfp2common:fridayWeek1>
        <nmfp2common:fridayWeek2>1.0014</nmfp2common:fridayWeek2>
        <nmfp2common:fridayWeek3>1.0014</nmfp2common:fridayWeek3>
        <nmfp2common:fridayWeek4>1.0013</nmfp2common:fridayWeek4>
        <nmfp2common:fridayWeek5>1.0013</nmfp2common:fridayWeek5>
      </netAssetValue>
    </seriesLevelInfo>
    <classLevelInfo>
      <classesId>C000019444</classesId>
      <minInitialInvestment>5000.00</minInitialInvestment>
      <netAssetsOfClass>2401285671.15</netAssetsOfClass>
      <numberOfSharesOutstanding>2397713612.94</numberOfSharesOutstanding>
      <netAssetPerShare>
        <nmfp2common:fridayWeek1>1.0014</nmfp2common:fridayWeek1>
        <nmfp2common:fridayWeek2>1.0014</nmfp2common:fridayWeek2>
        <nmfp2common:fridayWeek3>1.0014</nmfp2common:fridayWeek3>
        <nmfp2common:fridayWeek4>1.0013</nmfp2common:fridayWeek4>
        <nmfp2common:fridayWeek5>1.0013</nmfp2common:fridayWeek5>
      </netAssetPerShare>
      <fridayWeek1>
        <weeklyGrossSubscriptions>3445761.39</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>16110680.75</weeklyGrossRedemptions>
      </fridayWeek1>
      <fridayWeek2>
        <weeklyGrossSubscriptions>6839104.87</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>13648994.37</weeklyGrossRedemptions>
      </fridayWeek2>
      <fridayWeek3>
        <weeklyGrossSubscriptions>3156500.60</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>11730475.20</weeklyGrossRedemptions>
      </fridayWeek3>
      <fridayWeek4>
        <weeklyGrossSubscriptions>2806870.51</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>21327784.89</weeklyGrossRedemptions>
      </fridayWeek4>
      <fridayWeek5>
        <weeklyGrossSubscriptions>4643388.69</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>15217168.41</weeklyGrossRedemptions>
      </fridayWeek5>
      <totalForTheMonthReported>
        <weeklyGrossSubscriptions>19661105.41</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>66577042.86</weeklyGrossRedemptions>
      </totalForTheMonthReported>
      <sevenDayNetYield>0.0092</sevenDayNetYield>
      <personPayForFundFlag>N</personPayForFundFlag>
    </classLevelInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Multi-family Hsg. Rev.</nameOfIssuer>
      <titleOfIssuer>FHLMC Massachusetts Dev. Fin. Agcy. Multi-family Hsg. Rev., 1.61% (Tammy Brook Apts. Proj.) Series 2009, LOC Freddie Mac VRDN</titleOfIssuer>
      <CUSIPMember>57583XBN1</CUSIPMember>
      <ISINId>US57583XBN12</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2044-12-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>FREDDIE MAC</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>FREDDIE MAC</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>5920000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>5920000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0025</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Multi-family Hsg. Rev.</nameOfIssuer>
      <titleOfIssuer>FHLMC Massachusetts Dev. Fin. Agcy. Multi-family Hsg. Rev., 1.70% (Archstone Reading Apts. Proj.) Series 2004 A, LOC Freddie Mac VRDN</titleOfIssuer>
      <CUSIPMember>57583XAQ5</CUSIPMember>
      <ISINId>US57583XAQ51</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2037-12-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>FREDDIE MAC</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>FREDDIE MAC</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0170</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>24840000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>24840000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0103</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Multi-family Hsg. Rev.</nameOfIssuer>
      <titleOfIssuer>FNMA Massachusetts Dev. Fin. Agcy. Multi-family Hsg. Rev., 1.65% (Avalon Acton Apts. Proj.) Series 2006, LOC Fannie Mae VRDN</titleOfIssuer>
      <CUSIPMember>57583XBG6</CUSIPMember>
      <ISINId>US57583XBG60</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2040-07-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>FANNIE MAE</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>FANNIE MAE</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0165</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>45000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>45000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0187</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., 1.60% Series 2010 A2, LOC Landesbank Hessen-Thuringen VRDN</titleOfIssuer>
      <CUSIPMember>57563CAB8</CUSIPMember>
      <ISINId>US57563CAB81</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2037-01-01</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>0.0160</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>4940000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>4940000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0021</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., 1.60% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0160</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>15665000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>15665000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0065</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., 1.60% Series 2010 A1, LOC Citibank NA VRDN</titleOfIssuer>
      <CUSIPMember>57563CBF8</CUSIPMember>
      <ISINId>US57563CBF86</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2037-01-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>CITIBANK 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>CITIBANK NA</identityOfTheGuarantor>
        <amountProvidedByGuarantor>1.0000</amountProvidedByGuarantor>
        <guarantorRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </guarantorRatingOrNRSRO>
      </guarantor>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0160</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>57450000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>57450000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0239</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., 1.75% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0175</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1080000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1080000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0004</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., 1.86% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0186</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>500000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>500000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0002</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., 1.61% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>12200000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>12200000.00</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., 1.50% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0150</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>15950000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>15950000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0066</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., 1.55% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0155</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>5180000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>5180000.00</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., 1.57% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0157</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>43255000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>43255000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0180</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., 1.58% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0158</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3270000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3270000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0014</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., 1.58% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0158</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3895000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3895000.00</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., 1.59% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0159</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>12185000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>12185000.00</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., 1.60% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0160</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>6450000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>6450000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0027</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., 1.60% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0160</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>28800000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>28800000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0120</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., 1.62% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0162</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>9000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>9000000.00</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., 1.62% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0162</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>7640000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>7640000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0032</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., 1.62% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0162</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>22935000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>22935000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0096</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., 1.63% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0163</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>10605000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>10605000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0044</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., 1.63% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0163</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1880000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1880000.00</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., 1.65% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0165</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3695000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3695000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0015</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., 1.65% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0165</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>8215000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>8215000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0034</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 1.57% (Central Artery Proj.) Series 2000 A, (Liquidity Facility Citibank NA) VRDN</titleOfIssuer>
      <CUSIPMember>575827R44</CUSIPMember>
      <ISINId>US575827R440</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2030-12-01</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>0.0157</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>5575000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>5575000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0023</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 1.62% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0162</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>5695000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>5695000.00</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., 0.56% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0156</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>17305000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>17305000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0072</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., 1.56% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0156</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>93275000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>93275000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0388</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., 1.56% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0156</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>25275000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>25275000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0105</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., 1.56% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0156</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>10496000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>10496000.00</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., 1.58% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0158</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>10500000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>10500000.00</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., 1.59% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0159</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>13600000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>13600000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0057</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., 1.61% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>35000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>35000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0146</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., 1.61% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>7215000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>7215000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0030</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., 1.62% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0162</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>15030000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>15030000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0063</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., 1.65% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0165</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>34540000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>34540000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0144</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., 1.70% (Baystate Med. Ctr. Proj.) Series 2005 G, LOC TD Banknorth, 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>2018-04-02</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-02</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2026-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>TD BANK NA WILMINGTON DE</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>1</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>0.0170</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>4500000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>4500000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0019</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., 1.70% (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>2018-04-02</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-02</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2038-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>TD BANK NA WILMINGTON DE</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>1</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>0.0170</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2600000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2600000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0011</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., 1.63% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0163</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>13700000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>13700000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0057</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., 1.49% 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>2018-04-02</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-03-07</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>0.0149</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>6450000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>6450000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0027</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., 1.63% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0163</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>25295000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>25295000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0105</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., 1.58% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0158</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>5400000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>5400000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0022</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., 1.50% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0150</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1500000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1500000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0006</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., 1.62% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0162</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2300000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2300000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0010</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., 1.57% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0157</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>108415000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>108415000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0451</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., 1.80% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0180</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3500000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3500000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0015</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., 1.80% (Nucor Steel Louisiana LLC Proj.) Series 2010 B1 VRDN</titleOfIssuer>
      <CUSIPMember>790103AH8</CUSIPMember>
      <ISINId>US790103AH86</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0180</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>10600000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>10600000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0044</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., 1.88% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0188</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>6800000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>6800000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0028</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>West Jefferson Indl. Dev.</nameOfIssuer>
      <titleOfIssuer>West Jefferson Indl. Dev., 1.69% Series 2008 VRDN</titleOfIssuer>
      <CUSIPMember>953450AD5</CUSIPMember>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2028-06-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>ALABAMA 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>0.0169</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>4800000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>4800000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0020</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., 1.73% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0173</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>5800000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>5800000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0024</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., 1.84% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0184</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3100000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3100000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0013</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., 1.68% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0168</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0008</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., 1.68% (PSI Energy Proj.) Series 2003 A VRDN</titleOfIssuer>
      <CUSIPMember>454912AS5</CUSIPMember>
      <ISINId>US454912AS53</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0168</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1200000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1200000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0005</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Lawrenceburg Poll. Cont. Rev.</nameOfIssuer>
      <titleOfIssuer>Lawrenceburg Poll. Cont. Rev., 1.74% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0174</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., 1.74% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0174</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1900000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1900000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0008</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., 1.73% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0173</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2500000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2500000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0010</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Iowa Fin. Auth. Solid Waste Facilities</nameOfIssuer>
      <titleOfIssuer>Iowa Fin. Auth. Solid Waste Facilities, 1.64% (Mid-American Energy Co. Proj.) Series 2017 VRDN</titleOfIssuer>
      <CUSIPMember>46246YAA0</CUSIPMember>
      <ISINId>US46246YAA01</ISINId>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2047-12-01</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>0.0164</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>6000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>6000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0025</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Connecticut Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Connecticut Gen. Oblig., 1.70% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0170</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>6000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>6000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0025</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Blytheville Indl. Dev. Rev.</nameOfIssuer>
      <titleOfIssuer>Blytheville Indl. Dev. Rev., 1.86% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0186</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1900000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1900000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0008</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Blytheville Indl. Dev. Rev.</nameOfIssuer>
      <titleOfIssuer>Blytheville Indl. Dev. Rev., 1.88% (Nucor Corp. Proj.) Series 1998 VRDN</titleOfIssuer>
      <CUSIPMember>096490BV8</CUSIPMember>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2028-06-01</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>0.0188</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>400000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>400000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0002</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., 1.79% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0179</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2700000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2700000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0011</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., 1.88% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0188</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3400000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3400000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0014</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., 1.65% (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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0165</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2400000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2400000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0010</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., 1.70% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0170</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0004</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Hertford County Indl. Facilities Poll. Cont. Fing. Auth.</nameOfIssuer>
      <titleOfIssuer>Hertford County Indl. Facilities Poll. Cont. Fing. Auth., 1.86% (Nucor Corp. Proj.) Series 2000 A VRDN</titleOfIssuer>
      <CUSIPMember>428007AB4</CUSIPMember>
      <investmentCategory>Variable Rate Demand Note</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2033-11-01</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>0.0186</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1000000.00</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., 1.73% Bonds Series Solar 17 0027, tender 05/10/2018, (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>2018-05-10</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-05-10</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2042-02-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>US BANK NA CINCINNATI OHIO</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>71</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0173</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3399286.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3399286.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0014</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Clean Wtr. Trust</nameOfIssuer>
      <titleOfIssuer>Massachusetts Clean Wtr. Trust, 1.62% Bonds Series Clipper 05 36, tender 04/05/2018, (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>2018-04-05</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-05</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2019-08-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>STATE ST BK &amp; TR CO BOSTON</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>1</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>8105000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>8105000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0034</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Clean Wtr. Trust</nameOfIssuer>
      <titleOfIssuer>Massachusetts Clean Wtr. Trust, 1.76% Bonds Series Clipper 09 30, tender 06/07/2018, (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>2018-06-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-06-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2021-08-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>STATE ST BK &amp; TR CO BOSTON</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>8</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0175</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>12200000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>12200000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0051</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>Y</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Commonwealth Trans. Fund Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Commonwealth Trans. Fund Rev., 1.60% Participating VRDN Series 2016 20, (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>2018-04-02</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-02</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2044-06-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>US BANK NA CINCINNATI OHIO</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>1</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0160</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>18825000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>18825000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0078</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Commonwealth Trans. Fund Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Commonwealth Trans. Fund Rev., 1.61% Participating VRDN Series Floaters XF 06 10, (Liquidity Facility JPMorgan Chase Bank)</titleOfIssuer>
      <CUSIPMember>88034MBM7</CUSIPMember>
      <ISINId>US88034MBM73</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2047-06-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>JPMORGAN CHASE BANK NA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>11</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2900000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2900000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0012</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy., 1.61% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>11800000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>11800000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0049</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., 1.60% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0160</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>750000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>750000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0003</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., 1.60% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0160</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>6785000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>6785000.00</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., 1.61% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>8135000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>8135000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0034</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., 1.61% Participating VRDN Series Floaters ZM 05 72, (Liquidity Facility JPMorgan Chase Bank)</titleOfIssuer>
      <CUSIPMember>88033YW49</CUSIPMember>
      <ISINId>US88033YW497</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2032-07-01</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2500000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2500000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0010</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., 1.61% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>7100000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>7100000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0030</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., 1.61% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3750000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3750000.00</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., 1.61% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2865000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2865000.00</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., 1.61% Participating VRDN Series Floaters ZF 06 04, (Liquidity Facility JPMorgan Chase Bank)</titleOfIssuer>
      <CUSIPMember>88033Y3N9</CUSIPMember>
      <ISINId>US88033Y3N98</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1500000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1500000.00</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., 1.61% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2500000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2500000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0010</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., 1.86% Bonds Series WF 10 56C, tender 07/26/2018, (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>2018-07-26</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-07-26</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2040-10-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>WELLS FARGO BK NATL ASSN</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>148</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0185</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>19795000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>19795000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0082</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>Y</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Edl. Fing. Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Edl. Fing. Auth. Rev., 1.67% Participating VRDN Series Floaters XG 01 39, (Liquidity Facility Citibank NA)</titleOfIssuer>
      <CUSIPMember>88033YCM1</CUSIPMember>
      <ISINId>US88033YCM12</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2046-07-01</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>0.0167</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>13055000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>13055000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0054</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 1.61% Participating VRDN Series Floaters ZM 05 79, (Liquidity Facility Morgan Stanley Bank, West Valley City Utah)</titleOfIssuer>
      <CUSIPMember>88033Y4E8</CUSIPMember>
      <ISINId>US88033Y4E80</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2046-01-01</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2235000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2235000.00</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., 1.61% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>6650000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>6650000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0028</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 1.61% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>7500000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>7500000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0031</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 1.61% Participating VRDN Series Floaters E 116, (Liquidity Facility Royal Bank of Canada)</titleOfIssuer>
      <CUSIPMember>74926Y7C9</CUSIPMember>
      <ISINId>US74926Y7C98</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2021-02-01</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>19540000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>19540000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0081</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 1.62% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0162</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2830000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2830000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0012</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 1.62% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0162</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2385000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2385000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0010</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 1.63% Bonds Series Clipper 09 67, tender 04/05/2018, (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>2018-04-05</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-05</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2026-11-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>STATE ST BK &amp; TR CO BOSTON</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>1</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0162</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>85000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>85000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0354</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 1.76% Bonds Series Clipper 09 37, tender 06/07/2018, (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>2018-06-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-06-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2025-08-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>STATE ST BK &amp; TR CO BOSTON</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>8</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0175</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>36075000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>36075000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0150</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>Y</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 1.76% Bonds Series Clipper 09 69, tender 06/07/2018, (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>2018-06-07</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-06-07</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2024-09-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>STATE ST BK &amp; TR CO BOSTON</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>8</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0176</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>38150658.16</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>38150658.16</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0159</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., 1.61% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>41800000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>41800000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0174</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., 1.61% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>9600000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>9600000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0040</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., 1.63% Bonds Series Clipper 09 39, tender 04/05/2018, (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>2018-04-05</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-05</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2023-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>STATE ST BK &amp; TR CO BOSTON</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>1</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0162</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>15450000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>15450000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0064</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., 1.61% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>10785000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>10785000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0045</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., 1.61% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>11175000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>11175000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0047</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., 1.61% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>52000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>52000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0217</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., 1.61% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>56710000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>56710000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0236</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., 1.61% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>57460000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>57460000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0239</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., 1.61% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>14875000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>14875000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0062</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., 1.61% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>10000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>10000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0042</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., 1.61% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>48340000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>48340000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0201</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Wtr. Resources Auth.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Wtr. Resources Auth., 1.61% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2200000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2200000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0009</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., 1.61% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>8380000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>8380000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0035</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Chicago Board of Ed.</nameOfIssuer>
      <titleOfIssuer>Chicago Board of Ed., 1.83% Participating VRDN Series Floaters 006, (Liquidity Facility Barclays Bank PLC)</titleOfIssuer>
      <CUSIPMember>76252PKG3</CUSIPMember>
      <ISINId>US76252PKG36</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-05</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-05-11</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-12-14</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>BARCLAYS BANK PLC</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>43</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>Y</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0182</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>4100000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>4100000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0017</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>Y</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Chicago Board of Ed.</nameOfIssuer>
      <titleOfIssuer>Chicago Board of Ed., 1.83% Participating VRDN Series Floaters 003, (Liquidity Facility Barclays Bank PLC)</titleOfIssuer>
      <CUSIPMember>76252PKA6</CUSIPMember>
      <ISINId>US76252PKA65</ISINId>
      <investmentCategory>Tender Option Bond</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-05</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-05-11</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-12-14</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>0.0182</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>12395000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>12395000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0052</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., 1.75% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0175</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1400000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1400000.00</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., 1.68% 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>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</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>0.0167</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1165000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1165000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0005</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Avon Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Avon Gen. Oblig., 2.25%  BAN Series 2017</titleOfIssuer>
      <CUSIPMember>054141JD9</CUSIPMember>
      <ISINId>US054141JD94</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-09-28</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-09-28</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-09-28</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0175</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3107657.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3107657.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0013</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., 1.36% Series 2018 A, LOC State Street Bank &amp; Trust Co., Boston, CP</titleOfIssuer>
      <otherUniqueId>CHB238000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-04</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-04</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-04-04</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <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>0.0164</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>15899364.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>15899364.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0066</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Bourne Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Bourne Gen. Oblig., 3.00%  BAN Series 2018 A</titleOfIssuer>
      <CUSIPMember>102061UG1</CUSIPMember>
      <ISINId>US102061UG16</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-11-15</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-11-15</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-11-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0172</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2490599.03</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2490599.03</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0010</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Brookline Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Brookline Gen. Oblig., 2.50%  BAN Series 2018</titleOfIssuer>
      <CUSIPMember>1137454T7</CUSIPMember>
      <ISINId>US1137454T70</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2019-03-29</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2019-03-29</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2019-03-29</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>4665330.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>4665330.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0019</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Chicopee Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Chicopee Gen. Oblig., 2.25%  BAN Series 2017,</titleOfIssuer>
      <CUSIPMember>1685922E2</CUSIPMember>
      <ISINId>US1685922E20</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-10-05</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-10-05</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-10-05</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0174</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3759825.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3759825.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0016</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Framingham Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Framingham Gen. Oblig., 5.00% Bonds Series 2017</titleOfIssuer>
      <CUSIPMember>3516945H3</CUSIPMember>
      <ISINId>US3516945H33</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-12-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-12-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-12-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0154</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3151616.52</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3151616.52</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0013</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Franklin Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Franklin Gen. Oblig., 2.00%  BAN Series 2017</titleOfIssuer>
      <CUSIPMember>353838XU4</CUSIPMember>
      <ISINId>US353838XU40</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-05-18</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-05-18</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-05-18</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0160</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3461764.60</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3461764.60</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0014</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Gloucester Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Gloucester Gen. Oblig., 2.50%  BAN Series 2018</titleOfIssuer>
      <CUSIPMember>379713HQ6</CUSIPMember>
      <ISINId>US379713HQ66</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-09-21</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-09-21</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-09-21</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>6797362.11</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>6797362.11</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0028</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Harwich</nameOfIssuer>
      <titleOfIssuer>Harwich, 2.00%  BAN Series 2017</titleOfIssuer>
      <CUSIPMember>417884VK6</CUSIPMember>
      <ISINId>US417884VK65</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-07-13</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-07-13</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-07-13</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0157</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>7759377.50</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>7759377.50</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0032</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Hingham Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Hingham Gen. Oblig., 2.00%  BAN Series 2017</titleOfIssuer>
      <CUSIPMember>433344VA3</CUSIPMember>
      <ISINId>US433344VA35</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-05-17</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-05-17</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-05-17</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0153</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3780509.95</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3780509.95</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0016</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., 5.00% Bonds Series 2006 C, (Pre-Refunded to 7/1/2018 @ 100)</titleOfIssuer>
      <CUSIPMember>575579SN8</CUSIPMember>
      <ISINId>US575579SN88</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-07-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-07-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2022-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0159</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3227296.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3227296.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0013</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Clean Wtr. Trust</nameOfIssuer>
      <titleOfIssuer>Massachusetts Clean Wtr. Trust, 5.25% Bonds Series 2004 A</titleOfIssuer>
      <CUSIPMember>57604PPC2</CUSIPMember>
      <LEIID>549300SYPEROLSQU0261</LEIID>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-08-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-08-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-08-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0157</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3239200.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3239200.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0013</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy., 1.43% Series 2018, LOC TD Banknorth, NA, CP</titleOfIssuer>
      <otherUniqueId>CHB597000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-02</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-02</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-04-02</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>0.0166</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3499930.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3499930.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0015</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Dev. Fin. Agcy. Elec. Util. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Dev. Fin. Agcy. Elec. Util. Rev., 1.70% Bonds Series 7, tender 04/04/2018, (Massachusetts Elec. Co. Guaranteed), CP Mode</titleOfIssuer>
      <CUSIPMember>57584TAA8</CUSIPMember>
      <otherUniqueId>DAB963000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-04</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-04</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-04-04</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>0.0169</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>13300000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>13300000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0055</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., 1.30% Bonds Series 05, tender 04/06/2018, (Massachusetts Elec. Co. Guaranteed), CP Mode</titleOfIssuer>
      <CUSIPMember>57584GAC2</CUSIPMember>
      <otherUniqueId>CJA317000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-04-06</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>0.0176</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>22997930.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>22997930.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0096</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Edl. Fing. Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Edl. Fing. Auth. Rev., 3.00% Bonds Series 2014 I</titleOfIssuer>
      <CUSIPMember>57563RLC1</CUSIPMember>
      <ISINId>US57563RLC15</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2019-01-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2019-01-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2019-01-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0210</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1605638.65</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1605638.65</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0007</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Edl. Fing. Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Edl. Fing. Auth. Rev., 5.00% Bonds Series 2013</titleOfIssuer>
      <CUSIPMember>57563RKQ1</CUSIPMember>
      <ISINId>US57563RKQ10</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-07-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-07-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0205</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>5036800.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>5036800.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0021</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Edl. Fing. Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Edl. Fing. Auth. Rev., 5.00% Bonds Series 2014 I</titleOfIssuer>
      <CUSIPMember>57563RLN7</CUSIPMember>
      <ISINId>US57563RLN79</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2019-01-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2019-01-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2019-01-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0212</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1143912.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1143912.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0005</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Fed. Hwy.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Fed. Hwy., 4.00% Bonds (Accelerated Bridge Prog.) Series 2013 A</titleOfIssuer>
      <CUSIPMember>57583PEX3</CUSIPMember>
      <ISINId>US57583PEX33</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-06-15</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-06-15</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-06-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0158</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>904491.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>904491.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0004</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Fed. Hwy.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Fed. Hwy., 5.00% Bonds Series 2014 A</titleOfIssuer>
      <CUSIPMember>57583PGH6</CUSIPMember>
      <ISINId>US57583PGH64</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-06-15</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-06-15</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-06-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1510470.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1510470.00</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., 2.00%  RAN Series 2017 A</titleOfIssuer>
      <CUSIPMember>57582RPS9</CUSIPMember>
      <ISINId>US57582RPS93</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-23</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-23</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-04-23</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0153</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>45758723.50</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>45758723.50</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0191</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 2.00%  RAN Series 2017 B</titleOfIssuer>
      <CUSIPMember>57582RPT7</CUSIPMember>
      <ISINId>US57582RPT76</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-05-21</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-05-21</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-05-21</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0156</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>19026599.15</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>19026599.15</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0079</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Gen. Oblig., 2.00%  RAN Series C</titleOfIssuer>
      <CUSIPMember>57582RPU4</CUSIPMember>
      <ISINId>US57582RPU40</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-06-25</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-06-25</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-06-25</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0156</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>32483748.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>32483748.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0135</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 2015 C</titleOfIssuer>
      <CUSIPMember>57582REM4</CUSIPMember>
      <ISINId>US57582REM43</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-07-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-07-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0149</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>912964.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>912964.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0004</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 2008 A, (Pre-Refunded to 8/1/2018 @ 100)</titleOfIssuer>
      <CUSIPMember>57582PLG3</CUSIPMember>
      <ISINId>US57582PLG36</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-08-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-08-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2020-08-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0162</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2932596.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2932596.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0012</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., 1.12% Bonds Series H1, tender 04/06/2018, CP Mode</titleOfIssuer>
      <CUSIPMember>57586CV93</CUSIPMember>
      <otherUniqueId>CIF125000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-04-06</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>0.0168</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>9998900.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>9998900.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0042</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., 1.16% Bonds Series H2, tender 04/02/2018, CP Mode</titleOfIssuer>
      <CUSIPMember>57586CW27</CUSIPMember>
      <otherUniqueId>CIE783000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-02</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-02</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-04-02</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>0.0176</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>9534523.25</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>9534523.25</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0040</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., 1.18% Bonds Series H1, tender 04/05/2018, CP Mode</titleOfIssuer>
      <CUSIPMember>57586CV93</CUSIPMember>
      <otherUniqueId>CIE392000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-05</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-05</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-04-05</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>0.0166</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>8299336.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>8299336.00</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., 1.20% Bonds Series H1, tender 04/04/2018, CP Mode</titleOfIssuer>
      <CUSIPMember>57586CV93</CUSIPMember>
      <otherUniqueId>CID932000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-04</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-04</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-04-04</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>0.0163</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>10459372.40</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>10459372.40</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., 1.26% Bonds Series 2008 H1, tender 05/02/2018, CP Mode</titleOfIssuer>
      <CUSIPMember>57586CV93</CUSIPMember>
      <otherUniqueId>CJE105000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-05-02</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-05-02</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-05-02</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>9996700.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>9996700.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0042</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., 1.28% Bonds Series 2008 H1, tender 05/16/2018, CP Mode</titleOfIssuer>
      <CUSIPMember>57586CV93</CUSIPMember>
      <otherUniqueId>CJE536000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-05-16</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-05-16</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-05-16</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>0.0158</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>9196320.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>9196320.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0038</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., 1.28% Bonds Series 2008 H2, tender 05/21/2018, CP Mode</titleOfIssuer>
      <CUSIPMember>57586CW27</CUSIPMember>
      <otherUniqueId>CJD622000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-05-21</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-05-21</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-05-21</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>0.0127</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>12885000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>12885000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0054</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., 1.33% Bonds Series 2008 H2, tender 05/22/2018, CP Mode</titleOfIssuer>
      <CUSIPMember>57586CW27</CUSIPMember>
      <otherUniqueId>CJG913000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-05-22</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-05-22</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-05-22</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>0.0158</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>12895227.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>12895227.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0054</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., 5.00% Bonds (CareGroup, Inc. Proj.) Series 2008 E1, (Pre-Refunded to 7/1/2018 @ 100)</titleOfIssuer>
      <CUSIPMember>57586C3Q6</CUSIPMember>
      <ISINId>US57586C3Q61</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-07-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-07-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2028-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0164</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2016800.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2016800.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0008</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., 5.13% Bonds (CareGroup, Inc. Proj.) Series 2008 E1, (Pre-Refunded to 7/1/2018 @ 100)</titleOfIssuer>
      <CUSIPMember>57586C3R4</CUSIPMember>
      <ISINId>US57586C3R45</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-07-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-07-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2033-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0164</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1760198.95</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1760198.95</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0007</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., 5.25% Bonds Series 2008, (Pre-Refunded to 7/1/2018 @ 100)</titleOfIssuer>
      <CUSIPMember>57586EH87</CUSIPMember>
      <ISINId>US57586EH874</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-07-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-07-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2038-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0165</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3430634.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3430634.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0014</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., 5.38% Bonds (CareGroup, Inc. Proj.) Series 2008 E1, (Pre-Refunded to 7/1/2018 @ 100)</titleOfIssuer>
      <CUSIPMember>57586C3P8</CUSIPMember>
      <ISINId>US57586C3P88</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-07-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-07-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2021-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0165</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>7039937.25</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>7039937.25</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0029</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., 5.38% Bonds (Caregroup, Inc., MA. Proj.) Series 2008 B-1, (Pre-Refunded to 8/1/2018 @ 100)</titleOfIssuer>
      <CUSIPMember>57586C5D3</CUSIPMember>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-08-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-08-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2026-02-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0158</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2227786.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2227786.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0009</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., 6.00% Bonds (Massachusetts Institute of Technology Proj.) Series 2008 O, (Pre-Refunded to 7/1/2018</titleOfIssuer>
      <CUSIPMember>57586ECM1</CUSIPMember>
      <ISINId>US57586ECM12</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-07-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-07-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2036-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0163</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>8911524.25</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>8911524.25</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0037</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Port Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Port Auth. Rev., 1.20% Series 12A, LOC TD Banknorth, NA, CP</titleOfIssuer>
      <otherUniqueId>CIF214000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-06-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-06-06</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-06-06</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>0.0151</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>7895339.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>7895339.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0033</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Port Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Port Auth. Rev., 1.24% Series 12B, LOC TD Banknorth, NA, CP</titleOfIssuer>
      <otherUniqueId>CIF217000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-06-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-06-06</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-06-06</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>0.0155</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>24985250.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>24985250.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0104</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Port Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Port Auth. Rev., 1.38% Series 12B, LOC TD Banknorth, NA, CP</titleOfIssuer>
      <otherUniqueId>CHE342000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-05-09</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-05-09</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-05-09</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>0.0156</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>25994540.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>25994540.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0108</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Port Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Port Auth. Rev., 1.40% Series 12B, LOC TD Banknorth, NA, CP</titleOfIssuer>
      <otherUniqueId>CGG983000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-09-14</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-09-14</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-09-14</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>0.0162</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>26573666.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>26573666.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0111</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Port Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Port Auth. Rev., 1.45% Series 12B, LOC TD Banknorth, NA, CP</titleOfIssuer>
      <otherUniqueId>CHA033000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-09-14</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-09-14</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-09-14</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>0.0157</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>999470.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>999470.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0004</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Massachusetts Port Auth. Rev.</nameOfIssuer>
      <titleOfIssuer>Massachusetts Port Auth. Rev., 5.00% Bonds Series 2017 A</titleOfIssuer>
      <CUSIPMember>575896RT4</CUSIPMember>
      <ISINId>US575896RT48</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-07-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-07-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0185</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>5608740.90</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>5608740.90</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0023</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., 1.14% Series 99, LOC State Street Bank &amp; Trust Co., Boston, CP</titleOfIssuer>
      <otherUniqueId>CGB090000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-04</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-04</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-04-04</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <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>0.0171</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>16798656.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>16798656.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0070</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., 1.25% Series 16, LOC TD Banknorth, NA, CP</titleOfIssuer>
      <otherUniqueId>CID164000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-06-04</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-06-04</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-06-04</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>0.0151</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>8695824.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>8695824.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0036</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., 1.30% Series 99, LOC State Street Bank &amp; Trust Co., Boston, CP</titleOfIssuer>
      <otherUniqueId>CJF012000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-05-30</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-05-30</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-05-30</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>6396608.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>6396608.00</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., 1.30% Series 16, LOC TD Banknorth, NA, CP</titleOfIssuer>
      <otherUniqueId>CJE070000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-06-04</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-06-04</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-06-04</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>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>23586548.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>23586548.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0098</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., 5.00% Bonds Series 2006 B, (Pre-Refunded to 8/1/2018 @ 100)</titleOfIssuer>
      <CUSIPMember>576051JC1</CUSIPMember>
      <ISINId>US576051JC12</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-08-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-08-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2023-08-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0157</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2275672.50</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2275672.50</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0009</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., 5.00% Bonds Series 2006 B, (Pre-Refunded to 8/1/2018 @ 100)</titleOfIssuer>
      <CUSIPMember>576049Q86</CUSIPMember>
      <ISINId>US576049Q863</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-08-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-08-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2021-08-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0162</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1451129.40</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1451129.40</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0006</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Middleborough Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Middleborough Gen. Oblig., 2.00%  BAN Series 2017</titleOfIssuer>
      <CUSIPMember>596051UM2</CUSIPMember>
      <ISINId>US596051UM21</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-10-05</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-10-05</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-10-05</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0170</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>5060406.69</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>5060406.69</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0021</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Middleborough Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Middleborough Gen. Oblig., 2.50%  BAN Series 2018</titleOfIssuer>
      <CUSIPMember>596051UN0</CUSIPMember>
      <ISINId>US596051UN04</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-10-05</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-10-05</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-10-05</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0162</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>10732975.65</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>10732975.65</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0045</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Millis Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Millis Gen. Oblig., 3.00%  BAN Series 2017</titleOfIssuer>
      <CUSIPMember>601090PA5</CUSIPMember>
      <ISINId>US601090PA56</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-12-21</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-12-21</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-12-21</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0175</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>9383235.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>9383235.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0039</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Milton Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Milton Gen. Oblig., 2.25%  BAN Series 2018</titleOfIssuer>
      <CUSIPMember>602006UE6</CUSIPMember>
      <ISINId>US602006UE64</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-08-30</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-08-30</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-08-30</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0153</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>2908613.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>2908613.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0012</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Nantucket Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Nantucket Gen. Oblig., 2.00%  BAN Series B</titleOfIssuer>
      <CUSIPMember>630191D76</CUSIPMember>
      <ISINId>US630191D766</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-06-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-06-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-06-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0156</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>8690710.81</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>8690710.81</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0036</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>North Reading Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>North Reading Gen. Oblig., 2.00%  BAN Series 2017</titleOfIssuer>
      <CUSIPMember>661802ZK7</CUSIPMember>
      <ISINId>US661802ZK71</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-06-14</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-06-14</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-06-14</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0158</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>5604704.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>5604704.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0023</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Orleans Gen. Oblig. Anticipation Notes</nameOfIssuer>
      <titleOfIssuer>Orleans Gen. Oblig. Anticipation Notes, 2.50%  BAN Series 2018</titleOfIssuer>
      <CUSIPMember>686628VZ8</CUSIPMember>
      <ISINId>US686628VZ85</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2019-02-08</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2019-02-08</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2019-02-08</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0169</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>5437152.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>5437152.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0023</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Peabody Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Peabody Gen. Oblig., 2.50%  BAN Series 2018</titleOfIssuer>
      <CUSIPMember>7045737R9</CUSIPMember>
      <ISINId>US7045737R96</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2019-03-22</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2019-03-22</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2019-03-22</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0163</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3590082.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3590082.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0015</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>0.0168</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3707701.92</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3707701.92</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0015</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Scituate Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Scituate Gen. Oblig., 3.00%  BAN Series 2018</titleOfIssuer>
      <CUSIPMember>809095XA5</CUSIPMember>
      <ISINId>US809095XA50</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2019-02-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2019-02-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2019-02-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0169</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>10209383.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>10209383.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0043</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Southborough</nameOfIssuer>
      <titleOfIssuer>Southborough, 1.30%  BAN Series 2017</titleOfIssuer>
      <CUSIPMember>841229MP9</CUSIPMember>
      <ISINId>US841229MP90</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-05-18</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-05-18</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-05-18</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0159</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3298713.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3298713.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0014</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Topsfield Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Topsfield Gen. Oblig., 2.25%  BAN Series 2017</titleOfIssuer>
      <CUSIPMember>890788GJ5</CUSIPMember>
      <ISINId>US890788GJ54</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-10-19</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-10-19</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-10-19</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0173</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1504230.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1504230.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0006</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Topsfield Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Topsfield Gen. Oblig., 3.00%  BAN Series 2018</titleOfIssuer>
      <CUSIPMember>890788GL0</CUSIPMember>
      <ISINId>US890788GL01</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2019-03-08</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2019-03-08</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2019-03-08</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0175</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3945279.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3945279.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0016</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Westfield Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Westfield Gen. Oblig., 2.25%  BAN Series 2017</titleOfIssuer>
      <CUSIPMember>960096W92</CUSIPMember>
      <ISINId>US960096W924</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-10-31</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-10-31</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-10-31</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0164</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>3813300.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>3813300.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0016</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Weymouth Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Weymouth Gen. Oblig., 3.00%  BAN Series 2018</titleOfIssuer>
      <CUSIPMember>962201BS7</CUSIPMember>
      <ISINId>US962201BS70</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2019-03-14</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2019-03-14</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2019-03-14</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0165</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>12396182.40</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>12396182.40</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0052</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Winchester Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Winchester Gen. Oblig., 2.00%  BAN Series 2017</titleOfIssuer>
      <CUSIPMember>973024P48</CUSIPMember>
      <ISINId>US973024P487</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-06-27</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-06-27</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-06-27</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0155</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>13381169.02</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>13381169.02</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0056</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Woburn Gen. Oblig.</nameOfIssuer>
      <titleOfIssuer>Woburn Gen. Oblig., 2.50%  BAN Series 2018</titleOfIssuer>
      <CUSIPMember>977521N90</CUSIPMember>
      <ISINId>US977521N905</ISINId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-09-28</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-09-28</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-09-28</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0161</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>5468740.20</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>5468740.20</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0023</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., 1.68% Bonds Series 2010 A1, tender 04/05/2018, (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>2018-04-05</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-06-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2040-08-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>Y</securityDemandFeatureFlag>
      <demandFeature>
        <identityOfDemandFeatureIssuer>ROYAL BANK OF CANADA</identityOfDemandFeatureIssuer>
        <amountProvidedByDemandFeatureIssuer>1.0000</amountProvidedByDemandFeatureIssuer>
        <remainingPeriodDemandFeature>33</remainingPeriodDemandFeature>
        <demandFeatureConditionalFlag>N</demandFeatureConditionalFlag>
        <demandFeatureRatingOrNRSRO>
          <nameOfNRSRO>N/A</nameOfNRSRO>
          <rating>N/A</rating>
        </demandFeatureRatingOrNRSRO>
      </demandFeature>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0168</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>13615000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>13615000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0057</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., 1.70% Bonds Series A1, tender 04/04/2018, CP Mode</titleOfIssuer>
      <CUSIPMember>64468DAA0</CUSIPMember>
      <otherUniqueId>DAB946000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-04</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-04</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-04-04</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>0.0190</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>5899823.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>5899823.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0025</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Jefferson County Poll. Cont. Rev.</nameOfIssuer>
      <titleOfIssuer>Jefferson County Poll. Cont. Rev., 1.32% Bonds Series 2001 A, tender 04/06/2018, CP Mode</titleOfIssuer>
      <CUSIPMember>473044BV6</CUSIPMember>
      <otherUniqueId>CJA327000</otherUniqueId>
      <investmentCategory>Other Municipal Security</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2018-04-06</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>0.0188</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>1599824.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>1599824.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0007</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Fidelity Revere Str Trust</nameOfIssuer>
      <titleOfIssuer>Fidelity Municipal Cash Central Fund, 1.59%</titleOfIssuer>
      <CUSIPMember>31635A204</CUSIPMember>
      <LEIID>549300BDV45LJNXBZC55</LEIID>
      <ISINId>US31635A2042</ISINId>
      <cik>0001022695</cik>
      <investmentCategory>Investment Company</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>N/A</nameOfNRSRO>
        <rating>N/A</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2018-04-06</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2018-04-06</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2042-10-15</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0159</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>232194322.22</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>232194322.22</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0967</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>2018-04-04</signatureDate>
      <signature>Stephanie Dorsey</signature>
      <nameOfSigningOfficer>Stephanie Dorsey</nameOfSigningOfficer>
      <titleOfSigningOfficer>President and Treasurer</titleOfSigningOfficer>
    </signature>
  </formData>
</edgarSubmission>
