The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
EATON VANCE NAT LIM MATURITY T MF 27826H784 278 29,752 SH   SOLE   0 0 29,752
FEDERATED SHORT TERM MUNI TR I MF 313907206 288 27,965 SH   SOLE   0 0 27,965
FRANKLIN INCOME FUND MF 353496805 79 32,681 SH   SOLE   0 0 32,681
HIGHLAND FLOATING RATE OPPORTU MF 43010E206 106 14,505 SH   SOLE   0 0 14,505
INVESCO GLOBAL CORE EQUITY FUN MF 00141L103 210 12,934 SH   SOLE   0 0 12,934
MASS INVESTMENT TRUST CLASS A MF 575736103 617 19,295 SH   SOLE   0 0 19,295
NUVEEN INSD DIV ADV MUNI FD CO MF 67071L106 661 42,948 SH   SOLE   0 0 42,948
NUVEEN MD PREMIUM INC MUNICIPA MF 67061Q107 295 23,025 SH   SOLE   0 0 23,025
PIMCO REAL RETURN BOND FD CL C MF 693391146 154 13,953 SH   SOLE   0 0 13,953
PUTNAM MUNI OPPORTUNITIES TR S MF 746922103 155 12,262 SH   SOLE   0 0 12,262
TEMPLETON GLOBAL BOND FUND CL MF 880208103 201 16,397 SH   SOLE   0 0 16,397
VANGUARD MONEY MARKET RESERVES MF 922906201 63 63,104 SH   SOLE   0 0 63,104
WASHINGTON MUTUAL INVESTORS FU MF 939330106 775 17,401 SH   SOLE   0 0 17,401
3M CO. COM 88579Y101 4,011 19,111 SH   SOLE   0 0 19,111
ABBOTT LABORATORIES COM 002824100 5,382 100,866 SH   SOLE   0 0 100,866
ABBVIE INC COM 00287Y109 2,235 25,147 SH   SOLE   0 0 25,147
ADOBE SYSTEMS INCORPORATED COM 00724F101 2,058 13,797 SH   SOLE   0 0 13,797
ADOBE SYSTEMS INCORPORATED COM 00724F101 34 225 SH   OTR   0 0 225
AIR PRODUCTS & CHEMICALS COM 009158106 210 1,391 SH   SOLE   0 0 1,391
ALLSTATE CORPORATION COM 020002101 752 8,182 SH   SOLE   0 0 8,182
ALPHABET INC NON-VOTING CL C COM 02079K107 1,577 1,644 SH   SOLE   0 0 1,644
ALPHABET INC NON-VOTING CL C COM 02079K107 10 10 SH   OTR   0 0 10
ALPHABET INC VOTING CL A COM 02079K305 491 504 SH   SOLE   0 0 504
ALPHABET INC VOTING CL A COM 02079K305 10 10 SH   OTR   0 0 10
ALTRIA GROUP COM 02209S103 302 4,760 SH   SOLE   0 0 4,760
AMAZON.COM INC COM 023135106 2,221 2,310 SH   SOLE   0 0 2,310
AMERICAN EXPRESS INC COM 025816109 1,836 20,297 SH   SOLE   0 0 20,297
AMERICAN EXPRESS INC COM 025816109 19 210 SH   OTR   0 0 210
AMGEN INC COM 031162100 828 4,441 SH   SOLE   0 0 4,441
AMGEN INC COM 031162100 21 110 SH   OTR   0 0 110
ANADARKO PETROLEUM CORP COM 032511107 358 7,319 SH   SOLE   0 0 7,319
ANADARKO PETROLEUM CORP COM 032511107 4 80 SH   OTR   0 0 80
APACHE CORP COM 037411105 877 19,157 SH   SOLE   0 0 19,157
APACHE CORP COM 037411105 5 100 SH   OTR   0 0 100
APPLE INC COM 037833100 5,750 37,306 SH   SOLE   0 0 37,306
AQUA AMERICA COM 03836W103 4,735 142,650 SH   SOLE   0 0 142,650
AQUA AMERICA COM 03836W103 8 231 SH   OTR   0 0 231
ARCHER DANIELS MIDLAND CO COM 039483102 1,200 28,236 SH   SOLE   0 0 28,236
ARCHER DANIELS MIDLAND CO COM 039483102 12 280 SH   OTR   0 0 280
AT&T CORP NEW COM 00206R102 3,775 96,370 SH   SOLE   0 0 96,370
ATMOS ENERGY CORP COM 049560105 922 10,995 SH   SOLE   0 0 10,995
BANK OF AMERICA COM 060505104 863 34,038 SH   SOLE   0 0 34,038
BANK OF NEW YORK MELLON CORP COM 064058100 1,240 23,384 SH   SOLE   0 0 23,384
BANK OF NEW YORK MELLON CORP COM 064058100 26 490 SH   OTR   0 0 490
BECTON DICKINSON COM 075887109 8,765 44,731 SH   SOLE   0 0 44,731
BERKSHIRE HATHAWAY INC DEL CLA COM 084670108 4,121 15 SH   SOLE   0 0 15
BERKSHIRE HATHAWAY INC DEL CLA COM 084670702 696 3,799 SH   SOLE   0 0 3,799
BOEING COM 097023105 2,516 9,898 SH   SOLE   0 0 9,898
BP PLC SPONS ADR COM 055622104 431 11,228 SH   SOLE   0 0 11,228
BRISTOL-MYERS SQUIBB COMPANY COM 110122108 1,098 17,223 SH   SOLE   0 0 17,223
BUCKEYE PARTNERS LP LTD PARTNE COM 118230101 494 8,659 SH   SOLE   0 0 8,659
C S X CORPORATION COM 126408103 402 7,400 SH   SOLE   0 0 7,400
CABLE ONE INC COM 12685J105 283 392 SH   SOLE   0 0 392
CATERPILLAR INCORPORATED COM 149123101 4,526 36,291 SH   SOLE   0 0 36,291
CATERPILLAR INCORPORATED COM 149123101 16 130 SH   OTR   0 0 130
CHEMOURS CO COM 163851108 37,521 741,374 SH   SOLE   0 0 741,374
CHEVRON CORP COM 166764100 7,532 64,102 SH   SOLE   0 0 64,102
CHEVRON CORP COM 166764100 22 185 SH   OTR   0 0 185
CHURCH & DWIGHT CO INC COM 171340102 7,489 154,578 SH   SOLE   0 0 154,578
CHURCH & DWIGHT CO INC COM 171340102 10 210 SH   OTR   0 0 210
CIMAREX ENERGY CO. COM 171798101 455 4,000 SH   SOLE   0 0 4,000
CISCO SYSTEMS INC COM 17275R102 4,847 144,126 SH   SOLE   0 0 144,126
CISCO SYSTEMS INC COM 17275R102 17 500 SH   OTR   0 0 500
COASTAL CARIBBEAN OILS & MINER COM 190432203 0 69,910 SH   SOLE   0 0 69,910
COCA-COLA COMPANY COM 191216100 2,066 45,893 SH   SOLE   0 0 45,893
COLGATE-PALMOLIVE COMPANY COM 194162103 743 10,197 SH   SOLE   0 0 10,197
COMCAST CORP NEW CL A COM 20030N101 624 16,221 SH   SOLE   0 0 16,221
CONOCOPHILLIPS COM 20825C104 308 6,159 SH   SOLE   0 0 6,159
CORNING INC. COM 219350105 729 24,365 SH   SOLE   0 0 24,365
CVS CAREMARK CORPORATION COM 126650100 680 8,358 SH   SOLE   0 0 8,358
DANAHER CORP COM 235851102 329 3,841 SH   SOLE   0 0 3,841
DANAHER CORP COM 235851102 14 160 SH   OTR   0 0 160
DELL TECHNOLOGIES CL V COM 24703L103 383 4,960 SH   SOLE   0 0 4,960
DENTSPLY SIRONA INC COM 24906P109 6,031 100,837 SH   SOLE   0 0 100,837
DISCOVER FINANCIAL SERVICES COM 254709108 527 8,177 SH   SOLE   0 0 8,177
DOMINION RESOURCES INC OF VA COM 25746U109 3,471 45,121 SH   SOLE   0 0 45,121
DOMINION RESOURCES INC OF VA COM 25746U109 7 85 SH   OTR   0 0 85
DOVER CORPORATION COM 260003108 209 2,285 SH   SOLE   0 0 2,285
DOWDUPONT INC. COM 26078J100 230,168 3,324,685 SH   SOLE   0 0 3,324,685
DOWDUPONT INC. COM 26078J100 13 192 SH   OTR   0 0 192
DTE ENERGY COM 233331107 323 3,011 SH   SOLE   0 0 3,011
DUKE ENERGY CORP COM 26441C204 1,386 16,511 SH   SOLE   0 0 16,511
ELI LILLY & CO COM 532457108 348 4,066 SH   SOLE   0 0 4,066
EMERSON ELECTRIC CO. COM 291011104 992 15,779 SH   SOLE   0 0 15,779
ENBRIDGE INC. COM 29250N105 2,257 53,933 SH   SOLE   0 0 53,933
EXPRESS SCRIPTS HLDG CO COM 30219G108 228 3,600 SH   SOLE   0 0 3,600
EXXON MOBIL CORPORATION COM 30231G102 13,658 166,604 SH   SOLE   0 0 166,604
EXXON MOBIL CORPORATION COM 30231G102 15 180 SH   OTR   0 0 180
FEDERAL REALTY INV TR S B I COM 313747206 1,259 10,139 SH   SOLE   0 0 10,139
FEDEX CORP COM 31428X106 6,299 27,925 SH   SOLE   0 0 27,925
FRANKLIN RESOURCES INC COM 354613101 1,033 23,219 SH   SOLE   0 0 23,219
GENERAL ELECTRIC COMPANY COM 369604103 9,526 393,944 SH   SOLE   0 0 393,944
GENERAL ELECTRIC COMPANY COM 369604103 5 205 SH   OTR   0 0 205
GENERAL MILLS INC COM 370334104 937 18,099 SH   SOLE   0 0 18,099
GRAHAM HOLDINGS CO. COM 384637104 252 430 SH   SOLE   0 0 430
HARLEY DAVIDSON INC COM 412822108 222 4,600 SH   SOLE   0 0 4,600
HEALTH CARE PPTY INVS COM 40414L109 221 7,924 SH   SOLE   0 0 7,924
HERSHEY COMPANY COM 427866108 1,458 13,352 SH   SOLE   0 0 13,352
HOME DEPOT COM 437076102 852 5,210 SH   SOLE   0 0 5,210
HONEYWELL INTERNATIONAL INC COM 438516106 2,416 17,043 SH   SOLE   0 0 17,043
HORMEL FOODS CORP COM 440452100 224 6,960 SH   SOLE   0 0 6,960
HOST HOTELS & RESORTS COM 44107P104 282 15,229 SH   SOLE   0 0 15,229
ILLINOIS TOOL WORKS INC. COM 452308109 10,454 70,654 SH   SOLE   0 0 70,654
ILLINOIS TOOL WORKS INC. COM 452308109 15 100 SH   OTR   0 0 100
INTEL CORP COM COM 458140100 4,795 125,922 SH   SOLE   0 0 125,922
INTEL CORP COM COM 458140100 24 620 SH   OTR   0 0 620
INTERNATIONAL BUSINESS MACHINE COM 459200101 3,931 27,096 SH   SOLE   0 0 27,096
INTERNATIONAL FLAVORS & FRAGRA COM 459506101 214 1,500 SH   SOLE   0 0 1,500
INTERNATIONAL PAPER CO COM 460146103 330 5,809 SH   SOLE   0 0 5,809
INTUIT INC COM 461202103 512 3,600 SH   SOLE   0 0 3,600
ISHARES MSCI EAFE INDEX COM 464287465 502 7,324 SH   SOLE   0 0 7,324
ISHARES NASDAQ BIOTECH INDEX COM 464287556 4,758 14,264 SH   SOLE   0 0 14,264
ISHARES RUSSELL 2000 IDX COM 464287655 4,613 31,133 SH   SOLE   0 0 31,133
ISHARES RUSSELL MIDCAP INDEX COM 464287499 5,966 30,261 SH   SOLE   0 0 30,261
JOHNSON & JOHNSON COM 478160104 15,780 121,378 SH   SOLE   0 0 121,378
JOHNSON & JOHNSON COM 478160104 27 210 SH   OTR   0 0 210
JPMORGAN CHASE & CO. COM 46625H100 8,796 92,094 SH   SOLE   0 0 92,094
JPMORGAN CHASE & CO. COM 46625H100 25 260 SH   OTR   0 0 260
KELLOGG COMPANY COM 487836108 3,326 53,326 SH   SOLE   0 0 53,326
KEYCORP COM 493267108 237 12,600 SH   SOLE   0 0 12,600
KIMBERLY-CLARK CORP COM 494368103 2,762 23,472 SH   SOLE   0 0 23,472
LABORATORY CORP OF AMERICA COM 50540R409 374 2,480 SH   SOLE   0 0 2,480
LABORATORY CORP OF AMERICA COM 50540R409 7 47 SH   OTR   0 0 47
LOCKHEED MARTIN COM 539830109 624 2,010 SH   SOLE   0 0 2,010
LOWES COS COM 548661107 9,513 119,008 SH   SOLE   0 0 119,008
LOWES COS COM 548661107 21 260 SH   OTR   0 0 260
M & T BANK CORP COM 55261F104 2,424 15,050 SH   SOLE   0 0 15,050
MANPOWER INC WISCONSIN COM 56418H100 557 4,724 SH   SOLE   0 0 4,724
MARRIOTT INTERNATIONAL, NEW IN COM 571903202 6,200 56,231 SH   SOLE   0 0 56,231
MARRIOTT VACATIONS WORLDWIDE C COM 57164Y107 337 2,705 SH   SOLE   0 0 2,705
MC DONALD'S CORPORATION COM 580135101 9,010 57,507 SH   SOLE   0 0 57,507
MC DONALD'S CORPORATION COM 580135101 17 110 SH   OTR   0 0 110
MEDTRONIC INC COM G5960L103 332 4,266 SH   SOLE   0 0 4,266
MERCK & COMPANY INCORPORATED N COM 58933Y105 4,612 72,029 SH   SOLE   0 0 72,029
MERCK & COMPANY INCORPORATED N COM 58933Y105 13 200 SH   OTR   0 0 200
MICROSOFT CORPORATION COM 594918104 11,120 149,287 SH   SOLE   0 0 149,287
MICROSOFT CORPORATION COM 594918104 57 760 SH   OTR   0 0 760
MORGAN STANLEY & CO COM 617446448 820 17,018 SH   SOLE   0 0 17,018
MOTOROLA SOLUTIONS, INC COM 620076307 441 5,191 SH   SOLE   0 0 5,191
NATIONAL FUEL GAS CO COM 636180101 219 3,868 SH   SOLE   0 0 3,868
NEXTERA ENERGY COM 65339F101 3,291 22,457 SH   SOLE   0 0 22,457
NEXTERA ENERGY COM 65339F101 9 60 SH   OTR   0 0 60
NORFOLK SOUTHERN CORP COM 655844108 250 1,887 SH   SOLE   0 0 1,887
NORTHERN TRUST CORP COM 665859104 956 10,400 SH   SOLE   0 0 10,400
ORACLE CORP COM 68389X105 432 8,926 SH   SOLE   0 0 8,926
PEPSICO INCORPORATED COM 713448108 10,988 98,606 SH   SOLE   0 0 98,606
PEPSICO INCORPORATED COM 713448108 7 65 SH   OTR   0 0 65
PFIZER INCORPORATED COM 717081103 1,312 36,743 SH   SOLE   0 0 36,743
PHILIP MORRIS INTERNATIONAL COM 718172109 572 5,150 SH   SOLE   0 0 5,150
PHILLIPS 66 COM 718546104 424 4,626 SH   SOLE   0 0 4,626
PIONEER NAT RES CO COM 723787107 236 1,600 SH   SOLE   0 0 1,600
PNC FINANCIAL SERVICES GROUP COM 693475105 471 3,494 SH   SOLE   0 0 3,494
POWERSHARES QQQ TR ETF SERIES COM 73935A104 903 6,211 SH   SOLE   0 0 6,211
PRAXAIR INC COM 74005P104 321 2,296 SH   SOLE   0 0 2,296
PROCTER & GAMBLE COMPANY COM 742718109 12,686 139,437 SH   SOLE   0 0 139,437
PROCTER & GAMBLE COMPANY COM 742718109 18 200 SH   OTR   0 0 200
PUBLIC SERVICE ENTERPRISE GROU COM 744573106 368 7,950 SH   SOLE   0 0 7,950
RAYTHEON COMPANY NEW COM 755111507 541 2,900 SH   SOLE   0 0 2,900
SAUL CENTERS INC. COM 804395101 424 6,850 SH   SOLE   0 0 6,850
SAUL CENTERS INC. COM 804395101 8 128 SH   OTR   0 0 128
SCHLUMBERGER LIMITED COM 806857108 262 3,751 SH   SOLE   0 0 3,751
SELECT SECTOR SPDR TR UTILITIE COM 81369Y886 255 4,800 SH   SOLE   0 0 4,800
SMUCKER J.M. CO COM 832696405 525 5,006 SH   SOLE   0 0 5,006
SOUTHERN COMPANY (THE) COM 842587107 4,242 86,323 SH   SOLE   0 0 86,323
SPDR BARCLAYS ST CORP BOND ETF COM 78464A474 261 8,525 SH   SOLE   0 0 8,525
SYSCO CORPORATION COM 871829107 1,173 21,745 SH   SOLE   0 0 21,745
T ROWE PRICE GROUP INC. COM 74144T108 9,933 109,572 SH   SOLE   0 0 109,572
T ROWE PRICE GROUP INC. COM 74144T108 19 210 SH   OTR   0 0 210
TARGET CORP COM 87612E106 879 14,894 SH   SOLE   0 0 14,894
TEXAS INSTRUMENTS COM 882508104 574 6,400 SH   SOLE   0 0 6,400
THE TRAVELERS COS INC COM 89417E109 559 4,560 SH   SOLE   0 0 4,560
THERMO FISHER SCIENTIFIC COM 883556102 325 1,720 SH   SOLE   0 0 1,720
UDR INC COM 902653104 816 21,449 SH   SOLE   0 0 21,449
UNILEVER COM 904784709 283 4,800 SH   SOLE   0 0 4,800
UNION PACIFIC CORP COM 907818108 4,172 35,974 SH   SOLE   0 0 35,974
UNITED HEALTHCARE CORP COM 91324P102 4,741 24,206 SH   SOLE   0 0 24,206
UNITED TECHNOLOGIES CORP COM COM 913017109 6,904 59,477 SH   SOLE   0 0 59,477
UNITED TECHNOLOGIES CORP COM COM 913017109 15 125 SH   OTR   0 0 125
US BANCORP DEL (NEW) COM 902973304 259 4,836 SH   SOLE   0 0 4,836
VANGUARD EMERGING MARKETS ETF COM 922042858 705 16,185 SH   SOLE   0 0 16,185
VANGUARD FTSE DEVELOPED MARKET COM 921943858 1,255 28,919 SH   SOLE   0 0 28,919
VANGUARD INFORMATION TECHNOLOG COM 92204A702 33,946 223,343 SH   SOLE   0 0 223,343
VANGUARD MID CAP ETF COM 922908629 4,004 27,239 SH   SOLE   0 0 27,239
VANGUARD S&P ETF COM 922908363 1,079 4,677 SH   SOLE   0 0 4,677
VANGUARD SMALL CAP ETF COM 922908751 3,258 23,052 SH   SOLE   0 0 23,052
VANGUARD TOTAL STOCK MARKET COM 922908769 1,763 13,610 SH   SOLE   0 0 13,610
VERIZON COMMUNICATIONS COM 92343V104 2,746 55,482 SH   SOLE   0 0 55,482
VISA INC CLASS A COM 92826C839 7,660 72,790 SH   SOLE   0 0 72,790
VULCAN MATERIALS CO COM 929160109 287 2,400 SH   SOLE   0 0 2,400
WAL-MART STORES INC COM 931142103 225 2,877 SH   SOLE   0 0 2,877
WALGREENS BOOTS ALLIANCE, INC. COM 931427108 6,364 82,408 SH   SOLE   0 0 82,408
WALGREENS BOOTS ALLIANCE, INC. COM 931427108 16 205 SH   OTR   0 0 205
WALT DISNEY COMPANY COM 254687106 5,769 58,527 SH   SOLE   0 0 58,527
WALT DISNEY COMPANY COM 254687106 16 165 SH   OTR   0 0 165
WASH REAL ESTATE INV TRUST S B COM 939653101 3,060 93,415 SH   SOLE   0 0 93,415
WASTE CONNECTIONS INC COM 94106B101 303 4,333 SH   SOLE   0 0 4,333
WEINGARTEN REALTY INVS S B I COM 948741103 2,734 86,131 SH   SOLE   0 0 86,131
WELLS FARGO & CO. NEW COM 949746101 8,053 146,013 SH   SOLE   0 0 146,013
WELLS FARGO & CO. NEW COM 949746101 22 395 SH   OTR   0 0 395
WEYERHAEUSER CO COM 962166104 545 16,004 SH   SOLE   0 0 16,004
WGL HLDGS INC COM 92924F106 2,027 24,071 SH   SOLE   0 0 24,071
YUM BRANDS INC COM 988498101 224 3,040 SH   SOLE   0 0 3,040
ZIMMER BIOMET HOLDINGS INC. COM 98956P102 430 3,674 SH   SOLE   0 0 3,674