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       DEFINED                 14495        0        0
AMERICAN INTL GROUP INC        COM              026874107      844    14495 SH       DEFINED                 14495        0        0
ANHEUSER BUSCH COS INC         COM              035229103     3431    75000 SH       SOLE                    75000        0        0
AT&T CORP                      COM NEW          001957505     4760   250000 SH       SOLE                   250000        0        0
ATI TECHNOLOGIES INC           COM              001941103     4176   352910 SH       SOLE                   352910        0        0
AVAYA INC                      COM              053499109     2496   300000 SH       SOLE                   300000        0        0
BANK MONTREAL QUE              COM              063671101  1039727 22340539 SH       SOLE                 22340539        0        0
BARRICK GOLD CORP              COM              067901108    84154  3370030 SH       SOLE                  3370030        0        0
BCE INC                        COM              05534B109   952827 40261885 SH       SOLE                 40261885        0        0
BEST BUY INC                   COM              086516101     2104    30700 SH       SOLE                    30700        0        0
BIOVAIL CORP                   COM              09067J109     3439   222853 SH       SOLE                   222853        0        0
BOEING CO                      COM              097023105      959    14495 SH       DEFINED                 14495        0        0
BRASCAN CORP                   CL A LTD VT SH   10549P606   542709 14210151 SH       SOLE                 14210151        0        0
BROOKFIELD PPTYS CORP          COM              112900105     1207    42690 SH       SOLE                    42690        0        0
BURLINGTON RES INC             COM              122014103     1657    30000 SH       SOLE                    30000        0        0
CAE INC                        COM              124765108    11906  2220557 SH       SOLE                  2220557        0        0
CAMECO CORP                    COM              13321L108    22213   498066 SH       SOLE                   498066        0        0
CANADIAN NAT RES LTD           COM              136385101   129822  3582952 SH       SOLE                  3582952        0        0
CANADIAN NATL RY CO            COM              136375102   217842  3776797 SH       SOLE                  3776797        0        0
CANADIAN PAC RY LTD            COM              13645T100    35223  1018204 SH       SOLE                  1018204        0        0
CATERPILLAR INC DEL            COM              149123101     1399    14645 SH       DEFINED                 14645        0        0
CDN IMPERIAL BK OF COMMERCE    COM              136069101   959664 15516200 SH       SOLE                 15516200        0        0
CELESTICA INC                  SUB VTG SHS      15101Q108     3655   273136 SH       SOLE                   273136        0        0
CHC HELICOPTER CORP            CL A SUB VTG     12541C203    22800  1170000 SH       SOLE                  1170000        0        0
CISCO SYS INC                  COM              17275R102     1908   100000 SH       SOLE                   100000        0        0
CITIGROUP INC                  COM              172967101      670    14480 SH       DEFINED                 14480        0        0
CITIGROUP INC                  COM              172967101    10402   225000 SH       SOLE                   225000        0        0
COCA COLA CO                   COM              191216100      607    14495 SH       DEFINED                 14495        0        0
COCA COLA CO                   COM              191216100    11690   280000 SH       SOLE                   280000        0        0
COGNOS INC                     COM              19244C109     4324   126633 SH       SOLE                   126633        0        0
COMCAST CORP NEW               CL A             20030N101     4108   133927 SH       SOLE                   133927        0        0
CONCUR TECHNOLOGIES INC        COM              206708109      155    14709 SH       SOLE                    14709        0        0
COTT CORP QUE                  COM              22163N106     2179   100025 SH       SOLE                   100025        0        0
CP SHIPS LTD                   COM              22409V102     5892   375043 SH       SOLE                   375043        0        0
DISNEY WALT CO                 COM DISNEY       254687106      366    14495 SH       DEFINED                 14495        0        0
DOLLAR TREE STORES INC         COM              256747106     9600   400000 SH       SOLE                   400000        0        0
DOMTAR INC                     COM              257561100     3952   534590 SH       SOLE                   534590        0        0
DORAL FINL CORP                COM              25811P100     4135   250000 SH       SOLE                   250000        0        0
DU PONT E I DE NEMOURS & CO    COM              263534109      625    14495 SH       DEFINED                 14495        0        0
EL PASO CORP                   COM              28336L109     3456   300000 SH       SOLE                   300000        0        0
ENBRIDGE INC                   COM              29250N105   429663 15064630 SH       SOLE                 15064630        0        0
ENCANA CORP                    COM              292505104   166389  4218774 SH       SOLE                  4218774        0        0
EXXON MOBIL CORP               COM              30231G102      844    14645 SH       DEFINED                 14645        0        0
EXXON MOBIL CORP               COM              30231G102     7184   125000 SH       SOLE                   125000        0        0
FAIRFAX FINL HLDGS LTD         SUB VTG          303901102     3727    22490 SH       SOLE                    22490        0        0
FAIRMONT HOTELS RESORTS INC    COM              305204109    18959   547156 SH       SOLE                   547156        0        0
FOAMEX INTL INC                COM              344123104     5870  5475526 SH       SOLE                  5475526        0        0
GATEWAY INC                    COM              367626108      990   300000 SH       SOLE                   300000        0        0
GENERAL ELEC CO                COM              369604103      504    14495 SH       DEFINED                 14495        0        0
GENERAL MTRS CORP              COM              370442105      494    14495 SH       DEFINED                 14495        0        0
GENTEK INC                     COM NEW          37245X203     1016   101932 SH       SOLE                   101932        0        0
HEWLETT PACKARD CO             COM              428236103      342    14495 SH       DEFINED                 14495        0        0
HOME DEPOT INC                 COM              437076102      565    14495 SH       DEFINED                 14495        0        0
HONEYWELL INTL INC             COM              438516106      532    14495 SH       DEFINED                 14495        0        0
HUB INTERNATIONAL LTD          COM              44332P101      406    20835 SH       SOLE                    20835        0        0
IMPERIAL OIL LTD               COM NEW          453038408   253882  3049466 SH       SOLE                  3049466        0        0
INCO LTD                       COM              453258402     9953   264274 SH       SOLE                   264274        0        0
INTEL CORP                     COM              458140100      378    14495 SH       DEFINED                 14495        0        0
INTERNATIONAL BUSINESS MACHS   COM              459200101     1610    21645 SH       DEFINED                 21645        0        0
INTERNATIONAL BUSINESS MACHS   COM              459200101    14840   200000 SH       SOLE                   200000        0        0
INTRAWEST CORPORATION          COM NEW          460915200      380    15844 SH       SOLE                    15844        0        0
IPSCO INC                      COM              462622101     3488    80000 SH       SOLE                    80000        0        0
ISHARES INC                    MSCI JAPAN       464286848     8112   800000 SH       SOLE                   800000        0        0
ISHARES TR                     DJ US REAL EST   464287739      380     5980 SH       SOLE                     5980        0        0
ISHARES TR                     MSCI EAFE IDX    464287465      213     4060 SH       SOLE                     4060        0        0
JOHNSON & JOHNSON              COM              478160104      954    14645 SH       DEFINED                 14645        0        0
JPMORGAN & CHASE & CO          COM              46625H100      513    14495 SH       DEFINED                 14495        0        0
KERR MCGEE CORP                COM              492386107     1793    23500 SH       SOLE                    23500        0        0
KINROSS GOLD CORP              COM NO PAR       496902404     2968   484987 SH       SOLE                   484987        0        0
MAGNA INTL INC                 CL A             559222401   212869  3031027 SH       SOLE                  3031027        0        0
MANULIFE FINL CORP             COM              56501R106   534739 11199275 SH       SOLE                 11199275        0        0
MCDONALDS CORP                 COM              580135101      403    14495 SH       DEFINED                 14495        0        0
MDS INC                        COM              55269P302     6242   415503 SH       SOLE                   415503        0        0
MERCK & CO INC                 COM              589331107      448    14495 SH       DEFINED                 14495        0        0
MERCK & CO INC                 COM              589331107    21080   684400 SH       SOLE                   684400        0        0
MERRILL LYNCH & CO INC         COM              590188108     7437   135200 SH       SOLE                   135200        0        0
METHANEX CORP                  COM              59151K108     6555   399998 SH       SOLE                   399998        0        0
MI DEVS INC                    CL A SUB VTG     55304X104    30462   965562 SH       SOLE                   965562        0        0
MICROSOFT CORP                 COM              594918104    12420   500000 SH       SOLE                   500000        0        0
MICROSOFT CORP                 COM              594918104      859    34495 SH       DEFINED                 34495        0        0
MOLSON COORS BREWING CO        CL B             60871R209     4751    76667 SH       SOLE                    76667        0        0
NEXEN INC                      COM              65334H102    42517  1400542 SH       SOLE                  1400542        0        0
NISOURCE INC                   COM              65473P105     7419   300000 SH       SOLE                   300000        0        0
NOKIA CORP                     SPONSORED ADR    654902204     4992   300000 SH       SOLE                   300000        0        0
NORANDA INC                    COM              655422103   268278 15639775 SH       SOLE                 15639775        0        0
NORTEL NETWORKS CORP NEW       COM              656568102    22686  8714407 SH       SOLE                  8714407        0        0
NORTEL NETWORKS CORP NEW       NOTE  4.250% 9/0 656568AB8     1442  1500000 PRN      DEFINED               1500000        0        0
NOVA CHEMICALS CORP            COM              66977W109    14866   487068 SH       SOLE                   487068        0        0
NOVELIS INC                    COM              67000X106    13762   542757 SH       SOLE                   542757        0        0
OPPENHEIMER HLDGS INC          CL A NON VTG     683797104      352    16267 SH       SOLE                    16267        0        0
PETRO-CDA                      COM              71644E102    98380  1511667 SH       SOLE                  1511667        0        0
PFIZER INC                     COM              717081103      401    14495 SH       DEFINED                 14495        0        0
PFIZER INC                     COM              717081103     6206   225000 SH       SOLE                   225000        0        0
PHARMACEUTICAL HLDRS TR        DEPOSITRY RCPT   71712A206     7332   100000 SH       SOLE                   100000        0        0
PITNEY BOWES INC               COM              724479100     8736   200600 SH       SOLE                   200600        0        0
PLACER DOME INC                COM              725906101    22247  1453936 SH       SOLE                  1453936        0        0
POTASH CORP SASK INC           COM              73755L107    35186   368678 SH       SOLE                   368678        0        0
PRECISION DRILLING CORP        COM              74022D100     8347   211824 SH       SOLE                   211824        0        0
PROCTER & GAMBLE CO            COM              742718109      767    14495 SH       DEFINED                 14495        0        0
PROGRESS ENERGY INC            COM              743263105     9455   209000 SH       SOLE                   209000        0        0
QUEBECOR WORLD INC             COM NON-VTG      748203106    25648  1309519 SH       SOLE                  1309519        0        0
QWEST COMMUNICATIONS INTL IN   COM              749121109      742   200000 SH       SOLE                   200000        0        0
RESEARCH IN MOTION LTD         COM              760975102    19537   265506 SH       SOLE                   265506        0        0
ROGERS COMMUNICATIONS INC      CL B             775109200     5415   165070 SH       SOLE                   165070        0        0
ROYAL BK CDA MONTREAL QUE      COM              780087102  1836818 29655286 SH       SOLE                 29655286        0        0
SBC COMMUNICATIONS INC         COM              78387G103      345    14495 SH       DEFINED                 14495        0        0
SBC COMMUNICATIONS INC         COM              78387G103     2969   125000 SH       SOLE                   125000        0        0
SCHERING PLOUGH CORP           COM              806605101    15252   800200 SH       SOLE                   800200        0        0
SHAW COMMUNICATIONS INC        CL B CONV        82028K200     6347   304985 SH       SOLE                   304985        0        0
SONIC FDRY INC                 COM              83545R108       56    41160 SH       DEFINED                 41160        0        0
SPDR TR                        UNIT SER 1       78462F103      652     5470 SH       SOLE                     5470        0        0
SUN LIFE FINL INC              COM              866796105   438445 13018428 SH       SOLE                 13018428        0        0
SUNCOR ENERGY INC              COM              867229106   100864  2133951 SH       SOLE                  2133951        0        0
TALISMAN ENERGY INC            COM              87425E103   291803  7790329 SH       SOLE                  7790329        0        0
TELESYSTEM INTL WIRELESS INC   COM NEW          879946606    19873  1275000 SH       SOLE                  1275000        0        0
TELUS CORP                     NON-VTG SHS      87971M202    69728  2044634 SH       SOLE                  2044634        0        0
THOMSON CORP                   COM              884903105   284192  8489741 SH       SOLE                  8489741        0        0
TIDEWATER INC                  COM              886423102     6942   182100 SH       SOLE                   182100        0        0
TORONTO DOMINION BK ONT        COM NEW          891160509  1328138 29785887 SH       SOLE                 29785887        0        0
TRANSALTA CORP                 COM              89346D107    79385  4761561 SH       SOLE                  4761561        0        0
TRANSCANADA CORP               COM              89353D107   523526 19898550 SH       SOLE                 19898550        0        0
UNITED TECHNOLOGIES CORP       COM              913017109      772    14990 SH       DEFINED                 14990        0        0
UST INC                        COM              902911106     4566   100000 SH       SOLE                   100000        0        0
VERIZON COMMUNICATIONS         COM              92343V104      502    14495 SH       DEFINED                 14495        0        0
VERIZON COMMUNICATIONS         COM              92343V104     4319   125000 SH       SOLE                   125000        0        0
WACHOVIA CORP 2ND NEW          COM              929903102     1240    25000 SH       SOLE                    25000        0        0
WAL MART STORES INC            COM              931142103      708    14645 SH       DEFINED                 14645        0        0
WARNACO GROUP INC              COM NEW          934390402     7670   329900 SH       SOLE                   329900        0        0
WASHINGTON MUT INC             COM              939322103     4069   100000 SH       SOLE                   100000        0        0