<PAGE> PAGE 1
000 B000000 12/31/98
000 C000000 0000030160
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0
000 J000000 U
001 A000000 DREYFUS MONEY MARKET INSTRUMENTS,INC.
001 B000000 811-2557
001 C000000 2129226850
002 A000000 200 PARK AVENUE
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10166
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 Y
007 B000000 2
007 C010100 1
007 C020100 MONEY MARKET SERIES
007 C030100 N
007 C010200 2
007 C020200 GOVERNMENT SECURITIES SERIES
007 C030200 N
007 C010300 3
007 C010400 4
007 C010500 5
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
018 00AA00 Y
019 A00AA00 Y
019 B00AA00 163
019 C00AA00 DREYFUSFAM
022 A000001 DONALDSON, LUFKIN & JENRETTE SECURITIES CORP.
022 B000001 13-2741729
022 C000001 10860975
022 D000001 0
022 A000002 CIBC OPPENHEIMER
022 B000002 13-5942430
022 C000002 10526541
022 D000002 0
022 A000003 BEAR, STEARNS, & CO. INC.
022 B000003 13-3299429
022 C000003 10425969
<PAGE> PAGE 2
022 D000003 0
022 A000004 J.P. MORGAN SECURITIES INC.
022 B000004 13-3224016
022 C000004 9699425
022 D000004 0
022 A000005 UBS AG
022 B000005 13-2932996
022 C000005 5366621
022 D000005 0
022 A000006 MORGAN STANLEY DEAN WITTER INCORPORATED
022 B000006 13-2655998
022 C000006 6807948
022 D000006 0
022 A000007 GOLDMAN, SACHS & CO.
022 B000007 13-5105550
022 C000007 4069049
022 D000007 6956
022 A000008 CS FIRST BOSTON CORPORATION
022 B000008 13-5659485
022 C000008 3860000
022 D000008 0
022 A000009 AUBREY G. LANSTON & CO. INC.
022 B000009 13-5552129
022 C000009 2878000
022 D000009 0
022 A000010 BARCLAYS DE ZOETE WEDD SECURITIES,INC.
022 B000010 13-3551367
022 C000010 2453689
022 D000010 39904
023 C000000 74820267
023 D000000 314487
024 00AA00 Y
026 A000000 Y
026 B000000 Y
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 Y
027 000000 Y
029 00AA00 N
030 A00AA00 0
030 B00AA00 0.00
030 C00AA00 0.00
034 00AA00 N
035 00AA00 0
036 B00AA00 0
045 00AA00 Y
048 00AA00 0.000
<PAGE> PAGE 3
048 A01AA00 0
048 A02AA00 0.000
048 B01AA00 0
048 B02AA00 0.000
048 C01AA00 0
048 C02AA00 0.000
048 D01AA00 0
048 D02AA00 0.000
048 E01AA00 0
048 E02AA00 0.000
048 F01AA00 0
048 F02AA00 0.000
048 G01AA00 0
048 G02AA00 0.000
048 H01AA00 0
048 H02AA00 0.000
048 I01AA00 0
048 I02AA00 0.000
048 J01AA00 0
048 J02AA00 0.000
048 K01AA00 0
048 K02AA00 0.000
053 A00AA00 N
054 A00AA00 Y
054 B00AA00 Y
054 C00AA00 Y
054 D00AA00 N
054 E00AA00 N
054 F00AA00 N
054 G00AA00 Y
054 H00AA00 N
054 I00AA00 N
054 J00AA00 Y
054 K00AA00 N
054 L00AA00 Y
054 M00AA00 Y
054 N00AA00 N
054 O00AA00 Y
055 A00AA00 Y
055 B00AA00 N
056 00AA00 N
057 00AA00 N
077 A000000 Y
080 A00AA00 VIGILANT INSURANCE COMPANY
080 B00AA00 NATIONAL UNION FIRE INSURANCE COMPANY
080 C00AA00 125000
081 A00AA00 Y
081 B00AA00 171
082 A00AA00 N
082 B00AA00 0
083 A00AA00 N
<PAGE> PAGE 4
083 B00AA00 0
084 A00AA00 N
084 B00AA00 0
085 A00AA00 Y
085 B00AA00 N
025 A000101 BEAR, STEARNS & CO. INC.
025 B000101 13-3299429
025 C000101 D
025 D000101 4990
025 A000102 GOLDMAN, SACHS & CO.
025 B000102 13-5105550
025 C000102 D
025 D000102 4924
025 D000103 0
025 D000104 0
025 D000105 0
025 D000106 0
025 D000107 0
025 D000108 0
028 A010100 20972
028 A020100 298
028 A030100 0
028 A040100 21482
028 B010100 26887
028 B020100 298
028 B030100 0
028 B040100 25626
028 C010100 28465
028 C020100 281
028 C030100 0
028 C040100 25693
028 D010100 20993
028 D020100 272
028 D030100 0
028 D040100 23620
028 E010100 16969
028 E020100 257
028 E030100 0
028 E040100 18825
028 F010100 22598
028 F020100 260
028 F030100 0
028 F040100 25174
028 G010100 136884
028 G020100 1666
028 G030100 0
028 G040100 140420
028 H000100 0
062 A000100 Y
062 B000100 0.0
062 C000100 0.0
<PAGE> PAGE 5
062 D000100 0.0
062 E000100 0.0
062 F000100 13.1
062 G000100 4.5
062 H000100 0.0
062 I000100 48.4
062 J000100 6.5
062 K000100 0.0
062 L000100 26.3
062 M000100 0.0
062 N000100 0.0
062 O000100 0.0
062 P000100 0.0
062 Q000100 0.0
062 R000100 0.0
063 A000100 72
063 B000100 0.0
064 A000100 Y
064 B000100 N
070 A010100 Y
070 A020100 N
070 B010100 N
070 B020100 N
070 C010100 N
070 C020100 N
070 D010100 N
070 D020100 N
070 E010100 N
070 E020100 N
070 F010100 N
070 F020100 N
070 G010100 N
070 G020100 N
070 H010100 N
070 H020100 N
070 I010100 N
070 I020100 N
070 J010100 Y
070 J020100 Y
070 K010100 N
070 K020100 N
070 L010100 Y
070 L020100 N
070 M010100 N
070 M020100 N
070 N010100 N
070 N020100 N
070 O010100 Y
070 O020100 N
070 P010100 Y
070 P020100 N
<PAGE> PAGE 6
070 Q010100 N
070 Q020100 N
070 R010100 N
070 R020100 N
071 A000100 0
071 B000100 0
071 C000100 0
071 D000100 0
072 A000100 12
072 B000100 6391
072 C000100 0
072 D000100 0
072 E000100 0
072 F000100 571
072 G000100 0
072 H000100 0
072 I000100 291
072 J000100 26
072 K000100 0
072 L000100 25
072 M000100 16
072 N000100 34
072 O000100 1
072 P000100 0
072 Q000100 0
072 R000100 27
072 S000100 2
072 T000100 0
072 U000100 0
072 V000100 0
072 W000100 82
072 X000100 1075
072 Y000100 0
072 Z000100 5316
072AA000100 0
072BB000100 7
072CC010100 0
072CC020100 0
072DD010100 5316
072DD020100 0
072EE000100 0
073 A010100 0.0465
073 A020100 0.0000
073 B000100 0.0000
073 C000100 0.0000
074 A000100 967
074 B000100 0
074 C000100 109337
074 D000100 0
074 E000100 0
074 F000100 0
<PAGE> PAGE 7
074 G000100 0
074 H000100 0
074 I000100 0
074 J000100 0
074 K000100 0
074 L000100 535
074 M000100 0
074 N000100 110839
074 O000100 0
074 P000100 66
074 Q000100 0
074 R010100 0
074 R020100 0
074 R030100 0
074 R040100 138
074 S000100 0
074 T000100 110635
074 U010100 110648
074 U020100 0
074 V010100 1.00
074 V020100 0.00
074 W000100 0.9994
074 X000100 5304
074 Y000100 0
075 A000100 114193
075 B000100 0
076 000100 0.00
025 A000201 BEAR, STEARNS & CO. INC.
025 B000201 13-3299429
025 C000201 D
025 D000201 44000
025 A000202 CIBC OPPENHEIMER
025 B000202 13-5942430
025 C000202 D
025 D000202 50000
025 A000203 DONALDSON, LUFKIN & JENRETTE SECURITIES
025 B000203 13-2741729
025 C000203 D
025 D000203 45000
025 A000204 MORGAN STANELY DEAN WITTER INCORPORATED
025 B000204 13-2655998
025 C000204 D
025 D000204 27000
025 A000205 UBS AG
025 B000205 13-2932996
025 C000205 D
025 D000205 18813
025 D000206 0
025 D000207 0
025 D000208 0
028 A010200 136077
<PAGE> PAGE 8
028 A020200 993
028 A030200 0
028 A040200 105501
028 B010200 97334
028 B020200 1030
028 B030200 0
028 B040200 93178
028 C010200 116062
028 C020200 961
028 C030200 0
028 C040200 114486
028 D010200 114545
028 D020200 896
028 D030200 0
028 D040200 102601
028 E010200 95719
028 E020200 850
028 E030200 0
028 E040200 102595
028 F010200 108515
028 F020200 822
028 F030200 0
028 F040200 136715
028 G010200 668252
028 G020200 5552
028 G030200 0
028 G040200 655076
028 H000200 0
062 A000200 Y
062 B000200 56.5
062 C000200 0.0
062 D000200 43.2
062 E000200 0.0
062 F000200 0.0
062 G000200 0.0
062 H000200 0.0
062 I000200 0.0
062 J000200 0.0
062 K000200 0.0
062 L000200 0.0
062 M000200 0.0
062 N000200 0.0
062 O000200 0.0
062 P000200 0.0
062 Q000200 0.0
062 R000200 0.0
063 A000200 86
063 B000200 0.0
064 A000200 Y
064 B000200 N
070 A010200 Y
<PAGE> PAGE 9
070 A020200 Y
070 B010200 N
070 B020200 N
070 C010200 N
070 C020200 N
070 D010200 N
070 D020200 N
070 E010200 N
070 E020200 N
070 F010200 N
070 F020200 N
070 G010200 N
070 G020200 N
070 H010200 N
070 H020200 N
070 I010200 N
070 I020200 N
070 J010200 Y
070 J020200 N
070 K010200 N
070 K020200 N
070 L010200 Y
070 L020200 N
070 M010200 N
070 M020200 N
070 N010200 Y
070 N020200 N
070 O010200 Y
070 O020200 N
070 P010200 Y
070 P020200 N
070 Q010200 N
070 Q020200 N
070 R010200 N
070 R020200 N
071 A000200 0
071 B000200 0
071 C000200 0
071 D000200 0
072 A000200 12
072 B000200 23036
072 C000200 0
072 D000200 0
072 E000200 0
072 F000200 2133
072 G000200 0
072 H000200 0
072 I000200 575
072 J000200 84
072 K000200 0
072 L000200 22
<PAGE> PAGE 10
072 M000200 56
072 N000200 34
072 O000200 1
072 P000200 0
072 Q000200 0
072 R000200 17
072 S000200 7
072 T000200 0
072 U000200 0
072 V000200 0
072 W000200 0
072 X000200 2929
072 Y000200 0
072 Z000200 20107
072AA000200 42
072BB000200 6
072CC010200 0
072CC020200 0
072DD010200 20107
072DD020200 0
072EE000200 36
073 A010200 0.0473
073 A020200 0.0000
073 B000200 0.0000
073 C000200 0.0000
074 A000200 11849
074 B000200 0
074 C000200 426368
074 D000200 0
074 E000200 0
074 F000200 0
074 G000200 0
074 H000200 0
074 I000200 0
074 J000200 0
074 K000200 0
074 L000200 2603
074 M000200 0
074 N000200 440820
074 O000200 0
074 P000200 251
074 Q000200 0
074 R010200 0
074 R020200 0
074 R030200 0
074 R040200 12910
074 S000200 0
074 T000200 427659
074 U010200 427659
074 U020200 0
074 V010200 1.00
<PAGE> PAGE 11
074 V020200 0.00
074 W000200 1.0001
074 X000200 12374
074 Y000200 0
075 A000200 426683
075 B000200 0
076 000200 0.00
SIGNATURE STEPHANIE D. PEIRCE
TITLE ASSISTANT TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000030160
<NAME> DREYFUS MONEY MARKET INSTRUMENTS, INC.
<SERIES>
<NUMBER> 001
<NAME> MONEY MAREKT SERIES
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1998
<PERIOD-END> DEC-31-1998
<INVESTMENTS-AT-COST> 109337
<INVESTMENTS-AT-VALUE> 109337
<RECEIVABLES> 535
<ASSETS-OTHER> 967
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 110839
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 204
<TOTAL-LIABILITIES> 204
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 110648
<SHARES-COMMON-STOCK> 110664
<SHARES-COMMON-PRIOR> 118773
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (29)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 110635
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 6391
<OTHER-INCOME> 0
<EXPENSES-NET> 1075
<NET-INVESTMENT-INCOME> 5316
<REALIZED-GAINS-CURRENT> (7)
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 5310
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (5316)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 270803
<NUMBER-OF-SHARES-REDEEMED> (282449)
<SHARES-REINVESTED> 3522
<NET-CHANGE-IN-ASSETS> (8132)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (22)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 571
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1075
<AVERAGE-NET-ASSETS> 114193
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> .047
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> (.470)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> .009
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000030160
<NAME> DREYFUS MONEY MARKET INSTRUMENTS, INC.
<SERIES>
<NUMBER> 002
<NAME> GOVERNMENT SECURITIES SERIES
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1998
<PERIOD-END> DEC-31-1998
<INVESTMENTS-AT-COST> 426367
<INVESTMENTS-AT-VALUE> 426367
<RECEIVABLES> 2603
<ASSETS-OTHER> 11850
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 440820
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 13161
<TOTAL-LIABILITIES> 13161
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 427659
<SHARES-COMMON-STOCK> 427659
<SHARES-COMMON-PRIOR> 380992
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 427659
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 23036
<OTHER-INCOME> 0
<EXPENSES-NET> 2929
<NET-INVESTMENT-INCOME> 20107
<REALIZED-GAINS-CURRENT> 36
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 20144
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (20107)
<DISTRIBUTIONS-OF-GAINS> (36)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1295088
<NUMBER-OF-SHARES-REDEEMED> (1229781)
<SHARES-REINVESTED> 11360
<NET-CHANGE-IN-ASSETS> 46667
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2133
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2929
<AVERAGE-NET-ASSETS> 426683
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> .047
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> (.470)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> .007
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
