UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter Ended: Dedember 31, 2007 Check here if Amendment [ ]; Amendment Number: This Amendment (Check only one.): [ ] is a restatement. [ ] adds new holdings entries. Institutional Investment Manager Filing this Report: Name: The Bank of Nova Scotia Address: 40 King St. West Scotia Plaza 9th Floor Toronto, Ontario M5H 1H1 13F File Number: 28-11475 The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form. Person Signing this Report on Behalf of Reporting Manager: Name: Abdurrehman Muhammadi Title: Vice President, Financial Accounting and Reporting Phone: 416-866-7898 Signature, Place, and Date of Signing: /s/ Abdurrehman Muhammadi Toronto, On, Canada February 07, 2008 Report Type (Check only one.): [ ] 13F HOLDINGS REPORT. [ ] 13F NOTICE. [ X] 13F COMBINATION REPORT. List of Other Managers Reporting for this Manager: Form 13F File Number Name 28-11461 Scotia Capital Inc. 28-11460 Scotia Cassels Investment Counsel Ltd. 28-11459 Bank of Nova Scotia Trust Co. FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 1 Form13F Information Table Entry Total: 156 Form13F Information Table Value Total: $19,392,449 (thousands) List of Other Included Managers: Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional managers with respect to which this report is filed, other than the manager filing this report. No. 13F File Number Name 28-11472 BNS Investment Inc. FORM 13F INFORMATION TABLE VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- 3M CO COM 88579Y101 1457 17245 SH DEFINED 1 17245 0 0 AGNICO EAGLE MINES LTD COM 008474108 12226 222707 SH SOLE 222707 0 0 AGRIUM INC COM 008916108 18222 252036 SH SOLE 252036 0 0 ALABAMA NATL BANCORP DELA COM 010317105 1039 13353 SH SOLE 13353 0 0 ALCOA INC COM 013817101 617 16845 SH DEFINED 1 16845 0 0 ALTRIA GROUP INC COM 02209S103 1268 16745 SH DEFINED 1 16745 0 0 AMERICAN EXPRESS CO COM 025816109 873 16745 SH DEFINED 1 16745 0 0 AMERICAN INTL GROUP INC COM 026874107 977 16715 SH DEFINED 1 16715 0 0 AMGEN INC COM 031162100 4644 100000 SH SOLE 100000 0 0 ANADARKO PETE CORP COM 032511107 9854 150000 SH SOLE 150000 0 0 ANHEUSER BUSCH COS INC COM 035229103 3926 75000 SH SOLE 75000 0 0 AT&T INC COM 00206R102 718 17245 SH DEFINED 1 17245 0 0 BALLARD PWR SYS INC COM 05858H104 332 63000 SH SOLE 63000 0 0 BANK MONTREAL QUE COM 063671101 1235878 21749101 SH SOLE 21749101 0 0 BANK OF AMERICA CORPORATION COM 060505104 14441 350000 SH SOLE 350000 0 0 BARRICK GOLD CORP COM 067901108 166840 3958588 SH SOLE 3958588 0 0 BCE INC COM NEW 05534B760 1403178 35081222 SH SOLE 35081222 0 0 BCE INC COM NEW 05534B760 5620 140500 SH SOLE 1 140500 0 0 BIOVAIL CORP COM 09067J109 62211 4616010 SH SOLE 4616010 0 0 BOEING CO COM 097023105 1468 16745 SH DEFINED 1 16745 0 0 BRISTOL MYERS SQUIBB CO COM 110122108 1989 75000 SH SOLE 75000 0 0 BROOKFIELD ASSET MGMT INC CL A LTD VT SH 112585104 742308 20757399 SH SOLE 20757399 0 0 BROOKFIELD PPTYS CORP COM 112900105 24505 1263885 SH SOLE 1263885 0 0 CAE INC COM 124765108 22352 1664757 SH SOLE 1664757 0 0 CAMECO CORP COM 13321L108 39737 995539 SH SOLE 995539 0 0 CANADIAN NAT RES LTD COM 136385101 194933 2662402 SH SOLE 2662402 0 0 CANADIAN NATL RY CO COM 136375102 338712 7197618 SH SOLE 7197618 0 0 CANADIAN PAC RY LTD COM 13645T100 51660 797428 SH SOLE 797428 0 0 CANETIC RES TR COM 137513107 7965 590100 SH SOLE 590100 0 0 CATERPILLAR INC DEL COM 149123101 1254 17240 SH DEFINED 1 17240 0 0 CDN IMPERIAL BK OF COMMERCE COM 136069101 1051687 14777280 SH SOLE 14777280 0 0 CEMEX SAB DE CV SPON ADR NEW 151290889 14864 575000 SH SOLE 575000 0 0 CHC HELICOPTER CORP CL A SUB VTG 12541C203 29766 1170000 SH SOLE 1170000 0 0 CHESAPEAKE ENERGY CORP COM 165167107 3920 100000 SH SOLE 100000 0 0 CITIGROUP INC COM 172967101 483 16330 SH DEFINED 1 16330 0 0 CITIGROUP INC COM 172967101 19136 650000 SH SOLE 650000 0 0 CLEARPOINT BUSINESS RES INC COM 185061108 797 840000 SH SOLE 840000 0 0 COCA COLA CO COM 191216100 3069 50000 SH SOLE 50000 0 0 COCA COLA CO COM 191216100 1091 17745 SH DEFINED 1 17745 0 0 COGNOS INC COM 19244C109 8328 144531 SH SOLE 144531 0 0 COMPANHIA VALE DO RIO DOCE SPONSORED ADR 204412209 1437 44000 SH SOLE 44000 0 0 COMPANIA DE 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17745 0 0 HONEYWELL INTL INC COM 438516106 1033 16745 SH DEFINED 1 16745 0 0 IMPERIAL OIL LTD COM NEW 453038408 472628 8577734 SH SOLE 8577734 0 0 INTEL CORP COM 458140100 447 16745 SH DEFINED 1 16745 0 0 INTEL CORP COM 458140100 2666 100000 SH SOLE 100000 0 0 INTERNATIONAL BUSINESS MACHS COM 459200101 1814 16745 SH DEFINED 1 16745 0 0 INTEROIL CORP COM 460951106 5144 265470 SH SOLE 265470 0 0 JOHNSON & JOHNSON COM 478160104 11673 175000 SH SOLE 175000 0 0 JOHNSON & JOHNSON COM 478160104 1119 16745 SH DEFINED 1 16745 0 0 JP MORGAN CHASE & CO COM 46625H100 733 16745 SH DEFINED 1 16745 0 0 KINROSS GOLD CORP COM NO PAR 496902404 17402 942633 SH SOLE 942633 0 0 LULULEMON ATHLETICA INC COM 550021109 8391 175000 SH SOLE 175000 0 0 LUNDIN MINING CORP COM 550372106 5017 521353 SH SOLE 521353 0 0 MAGNA INTL INC CL A 559222401 243 3000 SH SOLE 3000 0 0 MANULIFE FINL CORP COM 56501R106 2099792 51306974 SH SOLE 51306974 0 0 MCDONALDS CORP COM 580135101 989 16745 SH DEFINED 1 16745 0 0 MDS INC COM 55269P302 7115 367548 SH SOLE 367548 0 0 MERCK & CO INC COM 589331107 1004 17245 SH DEFINED 1 17245 0 0 METHANEX CORP COM 59151K108 44483 1599998 SH SOLE 1599998 0 0 MI DEVS INC CL A SUB VTG 55304X104 26857 959412 SH SOLE 959412 0 0 MICROSOFT CORP COM 594918104 597 16745 SH DEFINED 1 16745 0 0 MINEFINDERS LTD COM 602900102 1132 100000 SH SOLE 100000 0 0 MOLSON COORS BREWING CO CL B 60871R209 3313 64270 SH SOLE 64270 0 0 MOODYS CORP COM 615369105 893 25000 SH SOLE 25000 0 0 NEUROCHEM INC COM 64125K101 546 245900 SH SOLE 245900 0 0 NEW GOLD INC CDA COM 644535106 1158 225000 SH SOLE 225000 0 0 NEXEN INC COM 65334H102 101413 3131841 SH SOLE 3131841 0 0 NISOURCE INC COM 65473P105 5667 300000 SH SOLE 300000 0 0 NORTEL NETWORKS CORP NEW COM NEW 656568508 10346 684664 SH SOLE 684664 0 0 NORTHERN DYNASTY MINERALS LT COM NEW 66510M204 1976 150000 SH SOLE 150000 0 0 NOVA CHEMICALS CORP COM 66977W109 58001 1787842 SH SOLE 1787842 0 0 OPEN TEXT CORP COM 683715106 5793 183000 SH SOLE 183000 0 0 ORBITAL SCIENCES CORP COM 685564106 356 14500 SH DEFINED 1 0 0 14500 PATTERSON UTI ENERGY INC COM 703481101 5856 300000 SH SOLE 300000 0 0 PENGROWTH ENERGY TR TR UNIT NEW 706902509 1511 85000 SH SOLE 85000 0 0 PENN WEST ENERGY TR TR UNIT 707885109 18672 716329 SH SOLE 716329 0 0 PETRO-CDA COM 71644E102 160167 2981753 SH SOLE 2981753 0 0 PFIZER INC COM 717081103 393 17245 SH DEFINED 1 17245 0 0 PFIZER INC COM 717081103 19889 875000 SH SOLE 875000 0 0 POPULAR INC COM 733174106 1855 175000 SH SOLE 175000 0 0 POTASH CORP SASK INC COM 73755L107 153705 1061869 SH SOLE 1061869 0 0 PRECISION DRILLING TR TR UNIT 740215108 1486 97652 SH SOLE 97652 0 0 PRIMEWEST ENERGY TR TR UNIT NEW 741930309 7357 270900 SH SOLE 270900 0 0 PROCTER & GAMBLE CO COM 742718109 1229 16695 SH DEFINED 1 16695 0 0 PROVIDENT ENERGY TR TR UNIT 74386K104 10465 1039500 SH SOLE 1039500 0 0 QLOGIC CORP COM 747277101 1420 100000 SH SOLE 100000 0 0 QUALITY SYS INC COM 747582104 3049 100000 SH SOLE 100000 0 0 QUEBECOR WORLD INC 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INC COM 86764P109 10866 150000 SH SOLE 150000 0 0 TALISMAN ENERGY INC COM 87425E103 430529 23207355 SH SOLE 23207355 0 0 TATA MTRS LTD SPONSORED ADR 876568502 2829 150000 SH SOLE 150000 0 0 TECK COMINCO LTD CL B 878742204 516053 14438870 SH SOLE 14438870 0 0 TELUS CORP NON-VTG SHS 87971M202 222853 4601445 SH SOLE 4601445 0 0 THOMSON CORP COM 884903105 404590 9954582 SH SOLE 9954582 0 0 TIM HORTONS INC COM 88706M103 10836 293175 SH SOLE 293175 0 0 TONGJITANG CHINESE MED CO SPON ADR 89025E103 1330 135000 SH SOLE 135000 0 0 TORONTO DOMINION BK ONT COM NEW 891160509 2242642 31987502 SH SOLE 31987502 0 0 TRANSALTA CORP COM 89346D107 211775 6294844 SH SOLE 6294844 0 0 TRANSALTA CORP COM 89346D107 68968 2050000 SH SOLE 1 2050000 0 0 TRANSCANADA CORP COM 89353D107 835515 20430360 SH SOLE 20430360 0 0 TRANSCANADA CORP COM 89353D107 35784 875000 SH SOLE 1 875000 0 0 U S G CORP COM NEW 903293405 2863 80000 SH SOLE 80000 0 0 UNITED TECHNOLOGIES CORP COM 913017109 1323 17240 SH DEFINED 1 17240 0 0 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