UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter Ended: June 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, 33rd Floor Attn: Group Compliance Toronto, Ontario M5H 1H1 13F File Number: 28- 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: Stewart Walford Title: Senior Manager, Group Compliance Phone: (416)866-7534 Signature, Place, and Date of Signing: /s/ Stewart Walford Toronto, Ontario, Canada August 15, 2005 Report Type (Check only one.): [ X] 13F HOLDINGS REPORT. [ ] 13F NOTICE. [ ] 13F COMBINATION REPORT. FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 1 Form13F Information Table Entry Total: 139 Form13F Information Table Value Total: $11,775,854 (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-not yet assigned 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 ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- ORBITAL SCIENCES CORP COM 685564106 144 14500 SH DEFINED 1 14500 0 0 TRANSALTA CORP COM 89346D107 42514 2550000 SH DEFINED 1 2550000 0 0 TRANSCANADA CORP COM 89353D107 47358 1800000 SH DEFINED 1 1800000 0 0 WEIGHT WATCHERS INTL INC NEW COM 948626106 21652 419534 SH DEFINED 1 419534 0 0 3M CO COM 88579Y101 1061 14645 SH DEFINED 14645 0 0 ABITIBI-CONSOLIDATED INC COM 003924107 30970 6950762 SH SOLE 6950762 0 0 AGRIUM INC COM 008916108 4404 225419 SH SOLE 225419 0 0 ALCAN INC COM 013716105 83458 2780587 SH SOLE 2780587 0 0 ALCOA INC COM 013817101 380 14495 SH DEFINED 14495 0 0 ALTRIA GROUP INC COM 02209S103 949 14645 SH DEFINED 14645 0 0 AMERICAN EXPRESS CO COM 025816109 773 14495 SH 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