UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter Ended: September 30, 2005 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: 44 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: Maria Theofilaktidis Title: Vice- President Financial Reporting and Controls Phone: (416) 866-4269 Signature, Place, and Date of Signing: /s/ Maria Theofilaktidis Toronto, Ontario, Canada November 14, 2005 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: 135 Form13F Information Table Value Total: $13,687,769 (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 1 28-11472 BNS Investments 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 1002 13645 SH Defined 13645 0 0 ABITIBI-CONSOLIDATED INC COM 003924107 28233 6951262 SH Sole 6951262 0 0 AGRIUM INC COM 008916108 5110 232419 SH Sole 232419 0 0 ALCAN INC COM 013716105 89759 2832087 SH Sole 2832087 0 0 ALCOA INC COM 013817101 330 13495 SH Defined 13495 0 0 ALTRIA GROUP INC COM 02209S103 1006 13645 SH Defined 13645 0 0 AMERICAN EXPRESS CO COM 025816109 833 14495 SH Defined 14495 0 0 AMERICAN INTL GROUP INC COM 026874107 899 14495 SH Defined 14495 0 0 ANHEUSER BUSCH COS INC COM 035229103 3228 75000 SH Sole 75000 0 0 AT&T CORP COM NEW 001957505 4950 250000 SH Sole 250000 0 0 ATI TECHNOLOGIES INC COM 001941103 4749 364810 SH Sole 364810 0 0 AVAYA INC COM 053499109 3090 300000 SH Sole 300000 0 0 BANK MONTREAL QUE COM 063671101 1114110 22411339 SH Sole 22411339 0 0 BANK OF AMERICA CORPORATION COM 060505104 12630 300000 SH Sole 300000 0 0 BARRICK GOLD CORP COM 067901108 99846 3444830 SH Sole 3444830 0 0 BCE INC COM 05534B109 19175 700000 SH Defined 1 700000 0 0 BCE INC COM 05534B109 1081771 39490585 SH Sole 39490585 0 0 BIOVAIL CORP COM 09067J109 4867 208853 SH Sole 208853 0 0 BOEING CO COM 097023105 986 14495 SH Defined 14495 0 0 BRASCAN CORP CL A LTD VT SH 10549P606 663135 14241351 SH Sole 14241351 0 0 BROOKFIELD PPTYS CORP COM 112900105 1250 42690 SH Sole 42690 0 0 CAE INC COM 124765108 14935 2220557 SH Sole 2220557 0 0 CAMECO CORP COM 13321L108 27045 507066 SH Sole 507066 0 0 CANADIAN NAT RES LTD COM 136385101 166294 3682852 SH Sole 3682852 0 0 CANADIAN NATL RY CO COM 136375102 270326 3809797 SH Sole 3809797 0 0 CANADIAN PAC RY LTD COM 13645T100 44123 1025604 SH Sole 1025604 0 0 CATERPILLAR INC DEL COM 149123101 840 14290 SH 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WEIGHT WATCHERS INTL INC NEW COM 948626106 16482 319534 SH Defined 1 319534 0 0