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<PAGE> PAGE 2
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<PAGE> PAGE 7
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<PAGE> PAGE 9
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<PAGE> PAGE 11
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<PAGE> PAGE 12
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<PAGE> PAGE 13
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<PAGE> PAGE 18
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<PAGE> PAGE 21
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<PAGE> PAGE 22
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<PAGE> PAGE 23
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<PAGE> PAGE 24
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<PAGE> PAGE 25
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<PAGE> PAGE 26
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<PAGE> PAGE 27
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<PAGE> PAGE 28
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<PAGE> PAGE 29
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<PAGE> PAGE 30
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<PAGE> PAGE 31
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<PAGE> PAGE 32
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<PAGE> PAGE 33
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<PAGE> PAGE 34
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<PAGE> PAGE 35
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<PAGE> PAGE 36
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<PAGE> PAGE 37
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<PAGE> PAGE 38
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<PAGE> PAGE 39
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<PAGE> PAGE 40
015 A000801 INVESTORS BANK & TRUST COMPANY
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<PAGE> PAGE 41
028 A040800 2434
028 B010800 3770
028 B020800 284
028 B030800 0
028 B040800 2401
028 C010800 3544
028 C020800 396
028 C030800 0
028 C040800 2412
028 D010800 2713
028 D020800 402
028 D030800 0
028 D040800 2815
028 E010800 2545
028 E020800 404
028 E030800 0
028 E040800 1999
028 F010800 3131
028 F020800 409
028 F030800 0
028 F040800 3099
028 G010800 19331
028 G020800 1895
028 G030800 0
028 G040800 15160
028 H000800 16856
029 000800 Y
030 A000800 14
030 B000800 4.75
030 C000800 0.00
031 A000800 14
031 B000800 0
032 000800 0
033 000800 0
034 000800 Y
035 000800 138
036 A000800 Y
036 B000800 0
037 000800 N
038 000800 0
039 000800 Y
040 000800 Y
041 000800 Y
042 A000800 0
042 B000800 0
042 C000800 0
042 D000800 0
042 E000800 0
042 F000800 0
042 G000800 0
042 H000800 0
<PAGE> PAGE 42
043 000800 478
044 000800 0
045 000800 Y
046 000800 N
047 000800 Y
048 000800 0.750
048 A010800 0
048 A020800 0.000
048 B010800 0
048 B020800 0.000
048 C010800 0
048 C020800 0.000
048 D010800 0
048 D020800 0.000
048 E010800 0
048 E020800 0.000
048 F010800 0
048 F020800 0.000
048 G010800 0
048 G020800 0.000
048 H010800 0
048 H020800 0.000
048 I010800 0
048 I020800 0.000
048 J010800 0
048 J020800 0.000
048 K010800 0
048 K020800 0.000
049 000800 N
050 000800 N
051 000800 N
052 000800 N
053 A000800 Y
053 B000800 Y
053 C000800 N
055 A000800 N
055 B000800 N
056 000800 Y
057 000800 N
058 A000800 N
059 000800 Y
060 A000800 Y
060 B000800 Y
061 000800 500
062 A000800 Y
062 B000800 0.0
062 C000800 0.0
062 D000800 13.3
062 E000800 0.0
062 F000800 0.0
062 G000800 0.0
<PAGE> PAGE 43
062 H000800 0.0
062 I000800 0.0
062 J000800 0.0
062 K000800 0.0
062 L000800 0.0
062 M000800 0.0
062 N000800 18.1
062 O000800 0.0
062 P000800 34.1
062 Q000800 34.5
062 R000800 0.0
063 A000800 0
063 B000800 14.0
064 A000800 N
064 B000800 N
066 A000800 N
067 000800 N
068 A000800 N
068 B000800 N
069 000800 N
070 A010800 Y
070 A020800 Y
070 B010800 N
070 B020800 N
070 C010800 Y
070 C020800 N
070 D010800 N
070 D020800 N
070 E010800 N
070 E020800 N
070 F010800 N
070 F020800 N
070 G010800 N
070 G020800 N
070 H010800 N
070 H020800 N
070 I010800 N
070 I020800 N
070 J010800 Y
070 J020800 Y
070 K010800 Y
070 K020800 N
070 L010800 Y
070 L020800 Y
070 M010800 Y
070 M020800 Y
070 N010800 Y
070 N020800 N
070 O010800 Y
070 O020800 N
070 P010800 Y
<PAGE> PAGE 44
070 P020800 N
070 Q010800 N
070 Q020800 N
070 R010800 N
070 R020800 N
071 A000800 93892
071 B000800 84601
071 C000800 114326
071 D000800 74
072 A000800 6
072 B000800 5246
072 C000800 0
072 D000800 0
072 E000800 0
072 F000800 444
072 G000800 30
072 H000800 0
072 I000800 88
072 J000800 26
072 K000800 0
072 L000800 7
072 M000800 2
072 N000800 26
072 O000800 0
072 P000800 0
072 Q000800 0
072 R000800 6
072 S000800 6
072 T000800 479
072 U000800 15
072 V000800 0
072 W000800 6
072 X000800 1135
072 Y000800 70
072 Z000800 4181
072AA000800 3
072BB000800 0
072CC010800 0
072CC020800 4433
072DD010800 4664
072DD020800 0
072EE000800 0
073 A010800 0.4200
073 A020800 1.2000
073 B000800 0.0000
073 C000800 0.0000
074 A000800 112
074 B000800 17834
074 C000800 0
074 D000800 116013
074 E000800 0
<PAGE> PAGE 45
074 F000800 0
074 G000800 0
074 H000800 0
074 I000800 72
074 J000800 127
074 K000800 0
074 L000800 2734
074 M000800 24
074 N000800 136916
074 O000800 16937
074 P000800 80
074 Q000800 0
074 R010800 0
074 R020800 0
074 R030800 0
074 R040800 998
074 S000800 0
074 T000800 118901
074 U010800 2226
074 U020800 9948
074 V010800 0.00
074 V020800 0.00
074 W000800 0.0000
074 X000800 5027
074 Y000800 0
075 A000800 0
075 B000800 119385
076 000800 0.00
008 A000901 SALOMON BROTHERS ASSET MANAGEMENT INC
008 B000901 A
008 C000901 801-32046
008 D010901 NEW YORK
008 D020901 NY
008 D030901 10048
015 A000901 INVESTORS BANK & TRUST COMPANY
015 B000901 C
015 C010901 BOSTON
015 C020901 MA
015 C030901 02116
015 E010901 X
018 000900 Y
019 A000900 Y
019 B000900 11
019 C000900 SALOMONFDS
028 A010900 2977
028 A020900 0
028 A030900 0
028 A040900 8264
028 B010900 2121
028 B020900 461
028 B030900 0
<PAGE> PAGE 46
028 B040900 7387
028 C010900 2456
028 C020900 451
028 C030900 0
028 C040900 6886
028 D010900 1908
028 D020900 438
028 D030900 0
028 D040900 8494
028 E010900 2919
028 E020900 423
028 E030900 0
028 E040900 4643
028 F010900 1893
028 F020900 419
028 F030900 0
028 F040900 4197
028 G010900 14274
028 G020900 2192
028 G030900 0
028 G040900 39871
028 H000900 14239
029 000900 Y
030 A000900 19
030 B000900 5.75
030 C000900 0.00
031 A000900 19
031 B000900 0
032 000900 0
033 000900 0
034 000900 Y
035 000900 419
036 A000900 Y
036 B000900 0
037 000900 N
038 000900 0
039 000900 Y
040 000900 Y
041 000900 Y
042 A000900 0
042 B000900 0
042 C000900 0
042 D000900 0
042 E000900 0
042 F000900 0
042 G000900 0
042 H000900 0
043 000900 785
044 000900 0
045 000900 Y
046 000900 N
<PAGE> PAGE 47
047 000900 Y
048 000900 0.550
048 A010900 0
048 A020900 0.000
048 B010900 0
048 B020900 0.000
048 C010900 0
048 C020900 0.000
048 D010900 0
048 D020900 0.000
048 E010900 0
048 E020900 0.000
048 F010900 0
048 F020900 0.000
048 G010900 0
048 G020900 0.000
048 H010900 0
048 H020900 0.000
048 I010900 0
048 I020900 0.000
048 J010900 0
048 J020900 0.000
048 K010900 0
048 K020900 0.000
049 000900 N
050 000900 N
051 000900 N
052 000900 N
053 A000900 Y
053 B000900 Y
053 C000900 N
055 A000900 N
055 B000900 N
056 000900 Y
057 000900 N
058 A000900 N
059 000900 Y
060 A000900 Y
060 B000900 Y
061 000900 500
062 A000900 N
062 B000900 0.0
062 C000900 0.0
062 D000900 0.0
062 E000900 0.0
062 F000900 0.0
062 G000900 0.0
062 H000900 0.0
062 I000900 0.0
062 J000900 0.0
062 K000900 0.0
<PAGE> PAGE 48
062 L000900 0.0
062 M000900 0.0
062 N000900 0.0
062 O000900 0.0
062 P000900 0.0
062 Q000900 0.0
062 R000900 0.0
063 A000900 0
063 B000900 0.0
066 A000900 N
067 000900 Y
068 A000900 N
068 B000900 N
069 000900 N
070 A010900 Y
070 A020900 Y
070 B010900 Y
070 B020900 N
070 C010900 Y
070 C020900 N
070 D010900 Y
070 D020900 N
070 E010900 Y
070 E020900 N
070 F010900 Y
070 F020900 N
070 G010900 Y
070 G020900 N
070 H010900 Y
070 H020900 N
070 I010900 Y
070 I020900 N
070 J010900 Y
070 J020900 Y
070 K010900 Y
070 K020900 N
070 L010900 Y
070 L020900 N
070 M010900 Y
070 M020900 N
070 N010900 Y
070 N020900 N
070 O010900 Y
070 O020900 N
070 P010900 Y
070 P020900 N
070 Q010900 N
070 Q020900 N
070 R010900 N
070 R020900 N
071 A000900 101106
<PAGE> PAGE 49
071 B000900 111063
071 C000900 198088
071 D000900 51
072 A000900 6
072 B000900 3008
072 C000900 1507
072 D000900 0
072 E000900 0
072 F000900 530
072 G000900 48
072 H000900 0
072 I000900 172
072 J000900 31
072 K000900 0
072 L000900 15
072 M000900 2
072 N000900 32
072 O000900 0
072 P000900 0
072 Q000900 0
072 R000900 29
072 S000900 8
072 T000900 785
072 U000900 9
072 V000900 0
072 W000900 7
072 X000900 1668
072 Y000900 209
072 Z000900 3056
072AA000900 3577
072BB000900 0
072CC010900 9915
072CC020900 0
072DD010900 3200
072DD020900 0
072EE000900 0
073 A010900 0.9400
073 A020900 0.0000
073 B000900 0.0000
073 C000900 0.0000
074 A000900 1
074 B000900 1760
074 C000900 0
074 D000900 88109
074 E000900 5517
074 F000900 107457
074 G000900 0
074 H000900 0
074 I000900 0
074 J000900 195
074 K000900 31
<PAGE> PAGE 50
074 L000900 1555
074 M000900 32
074 N000900 204657
074 O000900 10384
074 P000900 49
074 Q000900 0
074 R010900 0
074 R020900 0
074 R030900 0
074 R040900 1041
074 S000900 0
074 T000900 193183
074 U010900 3053
074 U020900 10716
074 V010900 0.00
074 V020900 0.00
074 W000900 0.0000
074 X000900 9617
074 Y000900 11293
075 A000900 0
075 B000900 194210
076 000900 0.00
008 A001001 SALOMON BROTHERS ASSET MANAGEMENT INC
008 B001001 A
008 C001001 801-32046
008 D011001 NEW YORK
008 D021001 NY
008 D031001 10048
008 A001002 SALOMON BROTHERS ASIA PACIFIC LIMITED
008 B001002 S
008 C001002 801-51393
008 D011002 HONG KONG
008 D051002 HONG KONG
015 A001001 CHASE MANHATTAN BANK N.A.
015 B001001 C
015 C011001 BROOKLYN
015 C021001 NY
015 C031001 11245
015 E011001 X
015 A001002 STANDARD CHARTERED BANK
015 B001002 S
015 C011002 LONDON
015 D011002 UNITED KINGDOM
015 E041002 X
015 A001003 STATE BANK OF INDIA
015 B001003 S
015 C011003 BOMBAY
015 D011003 INDIA
015 E041003 X
015 A001004 EUROCLEAR CLEARANCE SYSTEM
015 B001004 S
<PAGE> PAGE 51
015 C011004 BRUSSELS
015 D011004 BELGIUM
015 E041004 X
018 001000 Y
019 A001000 Y
019 B001000 11
019 C001000 SALOMONFDS
028 A011000 406
028 A021000 0
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028 A041000 352
028 B011000 75
028 B021000 0
028 B031000 0
028 B041000 197
028 C011000 1708
028 C021000 0
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028 C041000 2162
028 D011000 187
028 D021000 0
028 D031000 0
028 D041000 470
028 E011000 3373
028 E021000 0
028 E031000 0
028 E041000 3290
028 F011000 607
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028 F031000 0
028 F041000 1257
028 G011000 6356
028 G021000 0
028 G031000 0
028 G041000 7728
028 H001000 6336
029 001000 Y
030 A001000 1
030 B001000 5.75
030 C001000 0.00
031 A001000 0
031 B001000 0
032 001000 1
033 001000 0
034 001000 Y
035 001000 19
036 A001000 N
036 B001000 0
037 001000 N
038 001000 0
039 001000 N
<PAGE> PAGE 52
040 001000 Y
041 001000 Y
042 A001000 0
042 B001000 0
042 C001000 0
042 D001000 0
042 E001000 0
042 F001000 0
042 G001000 0
042 H001000 0
043 001000 47
044 001000 0
045 001000 Y
046 001000 N
047 001000 Y
048 001000 0.800
048 A011000 0
048 A021000 0.000
048 B011000 0
048 B021000 0.000
048 C011000 0
048 C021000 0.000
048 D011000 0
048 D021000 0.000
048 E011000 0
048 E021000 0.000
048 F011000 0
048 F021000 0.000
048 G011000 0
048 G021000 0.000
048 H011000 0
048 H021000 0.000
048 I011000 0
048 I021000 0.000
048 J011000 0
048 J021000 0.000
048 K011000 0
048 K021000 0.000
049 001000 N
050 001000 N
051 001000 N
052 001000 N
053 A001000 Y
053 B001000 Y
055 A001000 Y
055 B001000 N
056 001000 Y
057 001000 N
058 A001000 N
059 001000 Y
060 A001000 Y
<PAGE> PAGE 53
060 B001000 Y
061 001000 500
062 A001000 N
062 B001000 0.0
062 C001000 0.0
062 D001000 0.0
062 E001000 0.0
062 F001000 0.0
062 G001000 0.0
062 H001000 0.0
062 I001000 0.0
062 J001000 0.0
062 K001000 0.0
062 L001000 0.0
062 M001000 0.0
062 N001000 0.0
062 O001000 0.0
062 P001000 0.0
062 Q001000 0.0
062 R001000 0.0
063 A001000 0
063 B001000 0.0
066 A001000 Y
066 B001000 N
066 C001000 Y
066 D001000 N
066 E001000 N
066 F001000 N
066 G001000 N
067 001000 N
068 A001000 N
068 B001000 Y
069 001000 N
070 A011000 Y
070 A021000 N
070 B011000 Y
070 B021000 Y
070 C011000 Y
070 C021000 Y
070 D011000 Y
070 D021000 Y
070 E011000 Y
070 E021000 N
070 F011000 Y
070 F021000 N
070 G011000 Y
070 G021000 Y
070 H011000 Y
070 H021000 N
070 I011000 N
070 I021000 N
<PAGE> PAGE 54
070 J011000 Y
070 J021000 N
070 K011000 Y
070 K021000 N
070 L011000 Y
070 L021000 Y
070 M011000 Y
070 M021000 Y
070 N011000 Y
070 N021000 N
070 O011000 Y
070 O021000 N
070 P011000 Y
070 P021000 N
070 Q011000 N
070 Q021000 N
070 R011000 N
070 R021000 N
071 A001000 23144
071 B001000 24393
071 C001000 13431
071 D001000 172
072 A001000 6
072 B001000 13
072 C001000 96
072 D001000 0
072 E001000 0
072 F001000 58
072 G001000 7
072 H001000 0
072 I001000 45
072 J001000 51
072 K001000 0
072 L001000 1
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072 O001000 0
072 P001000 0
072 Q001000 0
072 R001000 6
072 S001000 10
072 T001000 47
072 U001000 11
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072 W001000 5
072 X001000 281
072 Y001000 149
072 Z001000 -23
072AA001000 2784
072BB001000 0
072CC011000 2960
<PAGE> PAGE 55
072CC021000 0
072DD011000 0
072DD021000 0
072EE001000 0
073 A011000 0.0000
073 A021000 0.0000
073 B001000 0.0000
073 C001000 0.0000
074 A001000 0
074 B001000 0
074 C001000 0
074 D001000 1060
074 E001000 0
074 F001000 15543
074 G001000 670
074 H001000 0
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074 J001000 710
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074 L001000 235
074 M001000 228
074 N001000 18688
074 O001000 459
074 P001000 10
074 Q001000 0
074 R011000 0
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074 R031000 0
074 R041000 585
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074 U011000 590
074 U021000 1293
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074 W001000 0.0000
074 X001000 2348
074 Y001000 0
075 A001000 0
075 B001000 14492
076 001000 0.00
008 A001101 SALOMON BROTHERS ASSET MANAGEMENT
008 B001101 A
008 C001101 801-32046
008 D011101 NEW YORK
008 D021101 NY
008 D031101 10048
015 A001101 PNC BANK
015 B001101 C
015 C011101 LESTER
015 C021101 PA
<PAGE> PAGE 56
015 C031101 19113
015 E011101 X
018 001100 Y
019 A001100 Y
019 B001100 11
019 C001100 SALOMONFDS
028 A011100 737
028 A021100 0
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028 A041100 458
028 B011100 498
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028 C011100 448
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028 C041100 177
028 D011100 766
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028 G041100 1850
028 H001100 4880
029 001100 Y
030 A001100 5
030 B001100 5.75
030 C001100 0.00
031 A001100 5
031 B001100 0
032 001100 0
033 001100 0
034 001100 Y
035 001100 4
036 A001100 N
036 B001100 0
037 001100 Y
038 001100 4
039 001100 N
040 001100 Y
<PAGE> PAGE 57
041 001100 N
042 A001100 0
042 B001100 0
042 C001100 0
042 D001100 0
042 E001100 0
042 F001100 0
042 G001100 0
042 H001100 0
043 001100 0
044 001100 37
045 001100 Y
046 001100 N
047 001100 Y
048 001100 0.800
048 A011100 0
048 A021100 0.000
048 B011100 0
048 B021100 0.000
048 C011100 0
048 C021100 0.000
048 D011100 0
048 D021100 0.000
048 E011100 0
048 E021100 0.000
048 F011100 0
048 F021100 0.000
048 G011100 0
048 G021100 0.000
048 H011100 0
048 H021100 0.000
048 I011100 0
048 I021100 0.000
048 J011100 0
048 J021100 0.000
048 K011100 0
048 K021100 0.000
049 001100 N
050 001100 N
051 001100 N
052 001100 N
053 A001100 Y
053 B001100 Y
055 A001100 N
055 B001100 N
056 001100 Y
057 001100 N
058 A001100 N
059 001100 Y
060 A001100 Y
060 B001100 Y
<PAGE> PAGE 58
061 001100 500
062 A001100 N
062 B001100 0.0
062 C001100 0.0
062 D001100 0.0
062 E001100 0.0
062 F001100 0.0
062 G001100 0.0
062 H001100 0.0
062 I001100 0.0
062 J001100 0.0
062 K001100 0.0
062 L001100 0.0
062 M001100 0.0
062 N001100 0.0
062 O001100 0.0
062 P001100 0.0
062 Q001100 0.0
062 R001100 0.0
063 A001100 0
063 B001100 0.0
066 A001100 Y
066 B001100 N
066 C001100 Y
066 D001100 N
066 E001100 N
066 F001100 N
066 G001100 N
067 001100 N
068 A001100 N
068 B001100 N
069 001100 N
070 A011100 Y
070 A021100 Y
070 B011100 Y
070 B021100 N
070 C011100 Y
070 C021100 N
070 D011100 Y
070 D021100 N
070 E011100 N
070 E021100 N
070 F011100 Y
070 F021100 N
070 G011100 Y
070 G021100 N
070 H011100 Y
070 H021100 N
070 I011100 N
070 I021100 N
070 J011100 Y
<PAGE> PAGE 59
070 J021100 N
070 K011100 Y
070 K021100 Y
070 L011100 Y
070 L021100 N
070 M011100 Y
070 M021100 N
070 N011100 Y
070 N021100 N
070 O011100 Y
070 O021100 N
070 P011100 N
070 P021100 N
070 Q011100 Y
070 Q021100 N
070 R011100 N
070 R021100 N
071 A001100 10812
071 B001100 8271
071 C001100 9789
071 D001100 84
072 A001100 6
072 B001100 12
072 C001100 13
072 D001100 0
072 E001100 0
072 F001100 40
072 G001100 3
072 H001100 0
072 I001100 17
072 J001100 2
072 K001100 11
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072 M001100 2
072 N001100 20
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072 P001100 0
072 Q001100 0
072 R001100 7
072 S001100 0
072 T001100 36
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072 V001100 0
072 W001100 2
072 X001100 140
072 Y001100 40
072 Z001100 -75
072AA001100 601
072BB001100 0
072CC011100 1178
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<PAGE> PAGE 60
072DD011100 0
072DD021100 0
072EE001100 0
073 A011100 0.0000
073 A021100 0.0000
073 B001100 0.0000
073 C001100 0.0000
074 A001100 1
074 B001100 153
074 C001100 0
074 D001100 0
074 E001100 0
074 F001100 12679
074 G001100 0
074 H001100 0
074 I001100 0
074 J001100 1033
074 K001100 252
074 L001100 0
074 M001100 0
074 N001100 14118
074 O001100 0
074 P001100 22
074 Q001100 0
074 R011100 0
074 R021100 0
074 R031100 0
074 R041100 768
074 S001100 0
074 T001100 13328
074 U011100 341
074 U021100 652
074 V011100 0.00
074 V021100 0.00
074 W001100 0.0000
074 X001100 912
074 Y001100 0
075 A001100 0
075 B001100 10212
076 001100 0.00
SIGNATURE ANTHONY PACE
TITLE CONTROLLER
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 1
<NAME> SALOMON BROTHERS CASH MANAGEMENT FUND. CLASS A
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 42,400,674
<INVESTMENTS-AT-VALUE> 42,400,674
<RECEIVABLES> 412,262
<ASSETS-OTHER> 44,990
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 42,857,926
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 176,900
<TOTAL-LIABILITIES> 176,900
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 42,683,870
<SHARES-COMMON-STOCK> 18,258,181
<SHARES-COMMON-PRIOR> 26,792,976
<ACCUMULATED-NII-CURRENT> 0
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<ACCUMULATED-NET-GAINS> (2,844)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 42,681,026
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1,208,143
<OTHER-INCOME> 0
<EXPENSES-NET> 132,700
<NET-INVESTMENT-INCOME> 1,075,443
<REALIZED-GAINS-CURRENT> (112)
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 1,075,331
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 510,140
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 246,999,379
<NUMBER-OF-SHARES-REDEEMED> 255,640,996
<SHARES-REINVESTED> 106,822
<NET-CHANGE-IN-ASSETS> (12,292,263)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (2,732)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 60,880
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 138,859
<AVERAGE-NET-ASSETS> 23,517,909
<PER-SHARE-NAV-BEGIN> 1.000
<PER-SHARE-NII> 0.022
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> 0.022
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.000
<EXPENSE-RATIO> 0.540
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 1
<NAME> SALOMON BROTHERS CASH MANAGEMENT FUND. CLASS B
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 42,400,674
<INVESTMENTS-AT-VALUE> 42,400,674
<RECEIVABLES> 412,262
<ASSETS-OTHER> 44,990
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<TOTAL-ASSETS> 42,857,926
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 176,900
<TOTAL-LIABILITIES> 176,900
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 42,683,870
<SHARES-COMMON-STOCK> 14,043,660
<SHARES-COMMON-PRIOR> 17,373,626
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (2,844)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 42,681,026
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1,208,143
<OTHER-INCOME> 0
<EXPENSES-NET> 132,700
<NET-INVESTMENT-INCOME> 1,075,443
<REALIZED-GAINS-CURRENT> (112)
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 1,075,331
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 304,477
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 6,616,176
<NUMBER-OF-SHARES-REDEEMED> 10,039,653
<SHARES-REINVESTED> 93,511
<NET-CHANGE-IN-ASSETS> (12,292,263)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (2,732)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 60,880
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 138,859
<AVERAGE-NET-ASSETS> 14,069,664
<PER-SHARE-NAV-BEGIN> 1.000
<PER-SHARE-NII> 0.022
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> 0.022
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.000
<EXPENSE-RATIO> 0.540
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 1
<NAME> SALOMON BROTHERS CASH MANAGEMENT FUND. CLASS O
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 42,400,674
<INVESTMENTS-AT-VALUE> 42,400,674
<RECEIVABLES> 412,262
<ASSETS-OTHER> 44,990
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 42,857,926
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 176,900
<TOTAL-LIABILITIES> 176,900
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 42,683,870
<SHARES-COMMON-STOCK> 8,599,721
<SHARES-COMMON-PRIOR> 8,068,847
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (2,844)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 42,681,026
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1,208,143
<OTHER-INCOME> 0
<EXPENSES-NET> 132,700
<NET-INVESTMENT-INCOME> 1,075,443
<REALIZED-GAINS-CURRENT> (112)
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 1,075,331
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 209,730
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 18,407,133
<NUMBER-OF-SHARES-REDEEMED> 17,952,884
<SHARES-REINVESTED> 76,625
<NET-CHANGE-IN-ASSETS> (12,292,263)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (2,732)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 60,880
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 138,859
<AVERAGE-NET-ASSETS> 9,615,302
<PER-SHARE-NAV-BEGIN> 1.000
<PER-SHARE-NII> 0.022
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> 0.022
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.000
<EXPENSE-RATIO> 0.550
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 1
<NAME> SALOMON BROTHERS CASH MANAGEMENT FUND. CLASS 2
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 42,400,674
<INVESTMENTS-AT-VALUE> 42,400,674
<RECEIVABLES> 412,262
<ASSETS-OTHER> 44,990
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 42,857,926
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 176,900
<TOTAL-LIABILITIES> 176,900
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 42,683,870
<SHARES-COMMON-STOCK> 1,782,308
<SHARES-COMMON-PRIOR> 2,740,572
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (2,844)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 42,681,026
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1,208,143
<OTHER-INCOME> 0
<EXPENSES-NET> 132,700
<NET-INVESTMENT-INCOME> 1,075,443
<REALIZED-GAINS-CURRENT> (112)
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 1,075,331
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 51,096
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 4,653,326
<NUMBER-OF-SHARES-REDEEMED> 5,627,679
<SHARES-REINVESTED> 16,089
<NET-CHANGE-IN-ASSETS> (12,292,263)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (2,732)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 60,880
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 138,859
<AVERAGE-NET-ASSETS> 2,362,013
<PER-SHARE-NAV-BEGIN> 1.000
<PER-SHARE-NII> 0.022
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> 0.022
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.000
<EXPENSE-RATIO> 0.550
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUND
<SERIES>
<NUMBER> 2
<NAME> SALOMON BROTHERS NEW YORK MUNICIPAL MONEY MARKET FUND. CLASS A
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 168,424,334
<INVESTMENTS-AT-VALUE> 168,424,334
<RECEIVABLES> 856,006
<ASSETS-OTHER> 1,878,614
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 171,158,954
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 677,248
<TOTAL-LIABILITIES> 677,248
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 170,717,424
<SHARES-COMMON-STOCK> 5,062,194
<SHARES-COMMON-PRIOR> 5,371,796
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (235,718)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 170,481,706
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 2,866,623
<OTHER-INCOME> 0
<EXPENSES-NET> 381,424
<NET-INVESTMENT-INCOME> 2,485,199
<REALIZED-GAINS-CURRENT> (217)
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 2,484,982
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 70,811
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1,397,186
<NUMBER-OF-SHARES-REDEEMED> 1,782,300
<SHARES-REINVESTED> 75,512
<NET-CHANGE-IN-ASSETS> (30,652,132)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (234,644)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 228,277
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 381,424
<AVERAGE-NET-ASSETS> 5,364,636
<PER-SHARE-NAV-BEGIN> 1.000
<PER-SHARE-NII> 0.014
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> 0.014
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.000
<EXPENSE-RATIO> 0.410
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUND
<SERIES>
<NUMBER> 2
<NAME> SALOMON BROTHERS NEW YORK MUNICIPAL MONEY MARKET FUND. CLASS B
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 168,424,334
<INVESTMENTS-AT-VALUE> 168,424,334
<RECEIVABLES> 856,006
<ASSETS-OTHER> 1,878,614
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 171,158,954
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 677,248
<TOTAL-LIABILITIES> 677,248
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 170,717,424
<SHARES-COMMON-STOCK> 224,719
<SHARES-COMMON-PRIOR> 25,000
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (235,718)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 170,481,706
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 2,866,623
<OTHER-INCOME> 0
<EXPENSES-NET> 381,424
<NET-INVESTMENT-INCOME> 2,485,199
<REALIZED-GAINS-CURRENT> (217)
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 2,484,982
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 2,010
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 208,844
<NUMBER-OF-SHARES-REDEEMED> 10,331
<SHARES-REINVESTED> 1,203
<NET-CHANGE-IN-ASSETS> (30,652,132)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (234,644)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 228,277
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 381,424
<AVERAGE-NET-ASSETS> 141,815
<PER-SHARE-NAV-BEGIN> 1.000
<PER-SHARE-NII> 0.014
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> 0.014
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.000
<EXPENSE-RATIO> 0.420
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUND
<SERIES>
<NUMBER> 2
<NAME> SALOMON BROTHERS NEW YORK MUNICIPAL MONEY MARKET FUND. CLASS O
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 168,424,334
<INVESTMENTS-AT-VALUE> 168,424,334
<RECEIVABLES> 856,006
<ASSETS-OTHER> 1,878,614
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 171,158,954
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 677,248
<TOTAL-LIABILITIES> 677,248
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 170,717,424
<SHARES-COMMON-STOCK> 165,405,233
<SHARES-COMMON-PRIOR> 195,819,733
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (235,718)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 170,481,706
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 2,866,623
<OTHER-INCOME> 0
<EXPENSES-NET> 381,424
<NET-INVESTMENT-INCOME> 2,485,199
<REALIZED-GAINS-CURRENT> (217)
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 2,484,982
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 2,411,756
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 51,958,856
<NUMBER-OF-SHARES-REDEEMED> 84,896,882
<SHARES-REINVESTED> 2,523,526
<NET-CHANGE-IN-ASSETS> (30,652,132)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (234,644)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 228,277
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 381,424
<AVERAGE-NET-ASSETS> 182,400,702
<PER-SHARE-NAV-BEGIN> 1.000
<PER-SHARE-NII> 0.014
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> 0.014
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.000
<EXPENSE-RATIO> 0.410
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUND
<SERIES>
<NUMBER> 2
<NAME> SALOMON BROTHERS NEW YORK MUNICIPAL MONEY MARKET FUND. CLASS 2
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 168,424,334
<INVESTMENTS-AT-VALUE> 168,424,334
<RECEIVABLES> 856,006
<ASSETS-OTHER> 1,878,614
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 171,158,954
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 677,248
<TOTAL-LIABILITIES> 677,248
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 170,717,424
<SHARES-COMMON-STOCK> 25,281
<SHARES-COMMON-PRIOR> 152,810
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (235,718)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 170,481,706
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 2,866,623
<OTHER-INCOME> 0
<EXPENSES-NET> 381,424
<NET-INVESTMENT-INCOME> 2,485,199
<REALIZED-GAINS-CURRENT> (217)
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 2,484,982
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 622
<DISTRIBUTIONS-OF-GAINS> 0
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<NUMBER-OF-SHARES-SOLD> 280
<NUMBER-OF-SHARES-REDEEMED> 127,810
<SHARES-REINVESTED> 1
<NET-CHANGE-IN-ASSETS> (30,652,132)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (234,644)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 228,277
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 381,424
<AVERAGE-NET-ASSETS> 48,567
<PER-SHARE-NAV-BEGIN> 1.000
<PER-SHARE-NII> 0.014
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> 0.014
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.000
<EXPENSE-RATIO> 0.390
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 3
<NAME> SALOMON BROTHERS INSTITUTIONAL MONEY MARKET FUND
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 135,885,538
<INVESTMENTS-AT-VALUE> 135,885,538
<RECEIVABLES> 809,754
<ASSETS-OTHER> 992
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<TOTAL-ASSETS> 136,696,284
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 619,251
<TOTAL-LIABILITIES> 619,251
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 136,038,297
<SHARES-COMMON-STOCK> 136,038,297
<SHARES-COMMON-PRIOR> 138,942,921
<ACCUMULATED-NII-CURRENT> 39,711
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (975)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 136,077,033
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 3,388,862
<OTHER-INCOME> 0
<EXPENSES-NET> 109,209
<NET-INVESTMENT-INCOME> 3,279,653
<REALIZED-GAINS-CURRENT> 842
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 3,280,495
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 3,239,942
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 18,211,587
<NUMBER-OF-SHARES-REDEEMED> 23,122,864
<SHARES-REINVESTED> 2,006,653
<NET-CHANGE-IN-ASSETS> (2,864,071)
<ACCUMULATED-NII-PRIOR> 881
<ACCUMULATED-GAINS-PRIOR> (2,697)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 170,490
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 250,751
<AVERAGE-NET-ASSETS> 137,522,806
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.02
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> 0.02
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.16
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 5
<NAME> SALOMON BROTHERS NATIONAL INTERMEDIATE MUNI FUND. CLASS A
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 14,854,928
<INVESTMENTS-AT-VALUE> 15,209,823
<RECEIVABLES> 307,049
<ASSETS-OTHER> 143,523
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 15,660,395
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 70,342
<TOTAL-LIABILITIES> 70,342
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 15,324,297
<SHARES-COMMON-STOCK> 471,130
<SHARES-COMMON-PRIOR> 239,835
<ACCUMULATED-NII-CURRENT> (52,673)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (36,466)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 354,895
<NET-ASSETS> 15,590,053
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 400,443
<OTHER-INCOME> 0
<EXPENSES-NET> 69,603
<NET-INVESTMENT-INCOME> 330,840
<REALIZED-GAINS-CURRENT> 171
<APPREC-INCREASE-CURRENT> (422,565)
<NET-CHANGE-FROM-OPS> (91,554)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 96,230
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 247,230
<NUMBER-OF-SHARES-REDEEMED> 22,428
<SHARES-REINVESTED> 5,754
<NET-CHANGE-IN-ASSETS> (218,535)
<ACCUMULATED-NII-PRIOR> (21,431)
<ACCUMULATED-GAINS-PRIOR> (36,637)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 43,529
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 135,798
<AVERAGE-NET-ASSETS> 4,201,824
<PER-SHARE-NAV-BEGIN> 10.61
<PER-SHARE-NII> 00.24
<PER-SHARE-GAIN-APPREC> (0.29)
<PER-SHARE-DIVIDEND> 00.24
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.32
<EXPENSE-RATIO> 00.75
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 5
<NAME> SALOMON BROTHERS NATIONAL INTERMEDIATE MUNI FUND. CLASS B
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 14,854,928
<INVESTMENTS-AT-VALUE> 15,209,823
<RECEIVABLES> 307,049
<ASSETS-OTHER> 143,523
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 15,660,395
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 70,342
<TOTAL-LIABILITIES> 70,342
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 15,324,297
<SHARES-COMMON-STOCK> 317,942
<SHARES-COMMON-PRIOR> 261,355
<ACCUMULATED-NII-CURRENT> (52,673)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (36,466)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 354,895
<NET-ASSETS> 15,590,053
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 400,443
<OTHER-INCOME> 0
<EXPENSES-NET> 69,603
<NET-INVESTMENT-INCOME> 330,840
<REALIZED-GAINS-CURRENT> 171
<APPREC-INCREASE-CURRENT> (422,565)
<NET-CHANGE-FROM-OPS> (91,554)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 60,399
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 92,577
<NUMBER-OF-SHARES-REDEEMED> 37,754
<SHARES-REINVESTED> 1,764
<NET-CHANGE-IN-ASSETS> (218,535)
<ACCUMULATED-NII-PRIOR> (21,431)
<ACCUMULATED-GAINS-PRIOR> (36,637)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 43,529
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 135,798
<AVERAGE-NET-ASSETS> 3,129,904
<PER-SHARE-NAV-BEGIN> 10.57
<PER-SHARE-NII> 00.18
<PER-SHARE-GAIN-APPREC> (0.27)
<PER-SHARE-DIVIDEND> 00.20
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.28
<EXPENSE-RATIO> 01.50
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 5
<NAME> SALOMON BROTHERS NATIONAL INTERMEDIATE MUNI FUND. CLASS O
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 14,854,928
<INVESTMENTS-AT-VALUE> 15,209,823
<RECEIVABLES> 307,049
<ASSETS-OTHER> 143,523
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 15,660,395
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 70,342
<TOTAL-LIABILITIES> 70,342
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 15,324,297
<SHARES-COMMON-STOCK> 415,630
<SHARES-COMMON-PRIOR> 774,358
<ACCUMULATED-NII-CURRENT> (52,673)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (36,466)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 354,895
<NET-ASSETS> 15,590,053
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 400,443
<OTHER-INCOME> 0
<EXPENSES-NET> 69,603
<NET-INVESTMENT-INCOME> 330,840
<REALIZED-GAINS-CURRENT> 171
<APPREC-INCREASE-CURRENT> (422,565)
<NET-CHANGE-FROM-OPS> (91,554)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 148,296
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 6,066
<NUMBER-OF-SHARES-REDEEMED> 367,445
<SHARES-REINVESTED> 2,651
<NET-CHANGE-IN-ASSETS> (218,535)
<ACCUMULATED-NII-PRIOR> (21,431)
<ACCUMULATED-GAINS-PRIOR> (36,637)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 43,529
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 135,798
<AVERAGE-NET-ASSETS> 6,238,665
<PER-SHARE-NAV-BEGIN> 10.60
<PER-SHARE-NII> 00.24
<PER-SHARE-GAIN-APPREC> (0.27)
<PER-SHARE-DIVIDEND> 00.25
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.32
<EXPENSE-RATIO> 00.50
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 5
<NAME> SALOMON BROTHERS NATIONAL INTERMEDIATE MUNI FUND. CLASS 2
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 14,854,928
<INVESTMENTS-AT-VALUE> 15,209,823
<RECEIVABLES> 307,049
<ASSETS-OTHER> 143,523
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 15,660,395
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 70,342
<TOTAL-LIABILITIES> 70,342
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 15,324,297
<SHARES-COMMON-STOCK> 308,017
<SHARES-COMMON-PRIOR> 216,665
<ACCUMULATED-NII-CURRENT> (52,673)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (36,466)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 354,895
<NET-ASSETS> 15,590,053
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 400,443
<OTHER-INCOME> 0
<EXPENSES-NET> 69,603
<NET-INVESTMENT-INCOME> 330,840
<REALIZED-GAINS-CURRENT> 171
<APPREC-INCREASE-CURRENT> (422,565)
<NET-CHANGE-FROM-OPS> (91,554)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 47,157
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 115,804
<NUMBER-OF-SHARES-REDEEMED> 27,067
<SHARES-REINVESTED> 2,615
<NET-CHANGE-IN-ASSETS> (218,535)
<ACCUMULATED-NII-PRIOR> (21,431)
<ACCUMULATED-GAINS-PRIOR> (36,637)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 43,529
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 135,798
<AVERAGE-NET-ASSETS> 2,388,624
<PER-SHARE-NAV-BEGIN> 10.57
<PER-SHARE-NII> 00.19
<PER-SHARE-GAIN-APPREC> (0.27)
<PER-SHARE-DIVIDEND> 00.20
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.29
<EXPENSE-RATIO> 01.29
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 6
<NAME> SALOMON BROTHERS U.S. GOVERNMENT INCOME FUND. CLASS A
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 40,049,933
<INVESTMENTS-AT-VALUE> 39,470,051
<RECEIVABLES> 263,081
<ASSETS-OTHER> 73,932
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 39,807,064
<PAYABLE-FOR-SECURITIES> 8,176,226
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 192,745
<TOTAL-LIABILITIES> 8,368,971
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 32,229,097
<SHARES-COMMON-STOCK> 741,703
<SHARES-COMMON-PRIOR> 655,867
<ACCUMULATED-NII-CURRENT> (218,233)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 7,101
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (579,882)
<NET-ASSETS> 31,438,093
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 856,113
<OTHER-INCOME> 0
<EXPENSES-NET> 198,475
<NET-INVESTMENT-INCOME> 657,638
<REALIZED-GAINS-CURRENT> 8,476
<APPREC-INCREASE-CURRENT> (916,325)
<NET-CHANGE-FROM-OPS> (250,211)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 202,201
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 403,200
<NUMBER-OF-SHARES-REDEEMED> 328,272
<SHARES-REINVESTED> 10,908
<NET-CHANGE-IN-ASSETS> 1,334,405
<ACCUMULATED-NII-PRIOR> (50,677)
<ACCUMULATED-GAINS-PRIOR> (1,375)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 100,122
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 272,188
<AVERAGE-NET-ASSETS> 7,007,739
<PER-SHARE-NAV-BEGIN> 10.28
<PER-SHARE-NII> 00.23
<PER-SHARE-GAIN-APPREC> (0.29)
<PER-SHARE-DIVIDEND> 00.29
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 09.93
<EXPENSE-RATIO> 00.85
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 6
<NAME> SALOMON BROTHERS U.S. GOVERNMENT INCOME FUND. CLASS B
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 40,049,933
<INVESTMENTS-AT-VALUE> 39,470,051
<RECEIVABLES> 263,081
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<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 39,807,064
<PAYABLE-FOR-SECURITIES> 8,176,226
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 192,745
<TOTAL-LIABILITIES> 8,368,971
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 32,229,097
<SHARES-COMMON-STOCK> 1,592,876
<SHARES-COMMON-PRIOR> 1,488,893
<ACCUMULATED-NII-CURRENT> (218,233)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 7,101
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (579,882)
<NET-ASSETS> 31,438,093
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 856,113
<OTHER-INCOME> 0
<EXPENSES-NET> 198,475
<NET-INVESTMENT-INCOME> 657,638
<REALIZED-GAINS-CURRENT> 8,476
<APPREC-INCREASE-CURRENT> (916,325)
<NET-CHANGE-FROM-OPS> (250,211)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 393,933
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 559,496
<NUMBER-OF-SHARES-REDEEMED> 474,588
<SHARES-REINVESTED> 19,075
<NET-CHANGE-IN-ASSETS> 1,334,405
<ACCUMULATED-NII-PRIOR> (50,677)
<ACCUMULATED-GAINS-PRIOR> (1,375)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 100,122
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 272,188
<AVERAGE-NET-ASSETS> 15,655,196
<PER-SHARE-NAV-BEGIN> 10.29
<PER-SHARE-NII> 00.21
<PER-SHARE-GAIN-APPREC> (0.30)
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<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 09.94
<EXPENSE-RATIO> 01.60
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 6
<NAME> SALOMON BROTHERS U.S. GOVERNMENT INCOME FUND. CLASS O
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 40,049,933
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<OTHER-ITEMS-LIABILITIES> 192,745
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<PAID-IN-CAPITAL-COMMON> 32,229,097
<SHARES-COMMON-STOCK> 334,400
<SHARES-COMMON-PRIOR> 323,740
<ACCUMULATED-NII-CURRENT> (218,233)
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<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (579,882)
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<EXPENSES-NET> 198,475
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<APPREC-INCREASE-CURRENT> (916,325)
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<DISTRIBUTIONS-OF-INCOME> 102,036
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<SHARES-REINVESTED> 684
<NET-CHANGE-IN-ASSETS> 1,334,405
<ACCUMULATED-NII-PRIOR> (50,677)
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<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 100,122
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<GROSS-EXPENSE> 272,188
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<PER-SHARE-NAV-BEGIN> 10.29
<PER-SHARE-NII> 00.24
<PER-SHARE-GAIN-APPREC> (0.28)
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<PER-SHARE-NAV-END> 09.94
<EXPENSE-RATIO> 00.60
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 6
<NAME> SALOMON BROTHERS U.S. GOVERNMENT INCOME FUND. CLASS 2
<S> <C>
<PERIOD-TYPE> 6-MOS
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<PAID-IN-CAPITAL-COMMON> 32,229,097
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<ACCUMULATED-NII-CURRENT> (218,233)
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<ACCUM-APPREC-OR-DEPREC> (579,882)
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<EXPENSES-NET> 198,475
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<NUMBER-OF-SHARES-SOLD> 238,535
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<PER-SHARE-GAIN-APPREC> (0.28)
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<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 09.94
<EXPENSE-RATIO> 01.39
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 7
<NAME> SALOMON BROTHERS HIGH YIELD BOND FUND. CLASS A
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 626,312,332
<INVESTMENTS-AT-VALUE> 577,120,851
<RECEIVABLES> 18,375,571
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<TOTAL-ASSETS> 595,524,033
<PAYABLE-FOR-SECURITIES> 10,812,283
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 6,989,802
<TOTAL-LIABILITIES> 17,802,085
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 686,542,936
<SHARES-COMMON-STOCK> 14,583,394
<SHARES-COMMON-PRIOR> 14,739,278
<ACCUMULATED-NII-CURRENT> (3,191,359)
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<ACCUMULATED-NET-GAINS> (56,438,148)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (49,191,481)
<NET-ASSETS> 577,721,948
<DIVIDEND-INCOME> 144,000
<INTEREST-INCOME> 31,752,812
<OTHER-INCOME> 0
<EXPENSES-NET> 5,156,692
<NET-INVESTMENT-INCOME> 26,740,120
<REALIZED-GAINS-CURRENT> (21,528,838)
<APPREC-INCREASE-CURRENT> 15,827,077
<NET-CHANGE-FROM-OPS> 21,038,359
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 7,764,790
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1,820,078
<NUMBER-OF-SHARES-REDEEMED> 297,533
<SHARES-REINVESTED> 2,273,495
<NET-CHANGE-IN-ASSETS> 8,797,980
<ACCUMULATED-NII-PRIOR> (813,886)
<ACCUMULATED-GAINS-PRIOR> (34,909,310)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2,272,069
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5,227,556
<AVERAGE-NET-ASSETS> 143,304,361
<PER-SHARE-NAV-BEGIN> 9.89
<PER-SHARE-NII> 0.48
<PER-SHARE-GAIN-APPREC> (0.10)
<PER-SHARE-DIVIDEND> 0.53
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 9.74
<EXPENSE-RATIO> 1.31
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 7
<NAME> SALOMON BROTHERS HIGH YIELD BOND FUND. CLASS B
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 626,312,332
<INVESTMENTS-AT-VALUE> 577,120,851
<RECEIVABLES> 18,375,571
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<TOTAL-ASSETS> 595,524,033
<PAYABLE-FOR-SECURITIES> 10,812,283
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 6,989,802
<TOTAL-LIABILITIES> 17,802,085
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 686,542,936
<SHARES-COMMON-STOCK> 34,085,735
<SHARES-COMMON-PRIOR> 33,212,397
<ACCUMULATED-NII-CURRENT> (3,191,359)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (56,438,148)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (49,191,481)
<NET-ASSETS> 577,721,948
<DIVIDEND-INCOME> 144,000
<INTEREST-INCOME> 31,752,812
<OTHER-INCOME> 0
<EXPENSES-NET> 5,156,692
<NET-INVESTMENT-INCOME> 26,740,120
<REALIZED-GAINS-CURRENT> (21,528,838)
<APPREC-INCREASE-CURRENT> 15,827,077
<NET-CHANGE-FROM-OPS> 21,038,359
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 16,305,386
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 3,455,564
<NUMBER-OF-SHARES-REDEEMED> 501,414
<SHARES-REINVESTED> 3,083,640
<NET-CHANGE-IN-ASSETS> 8,797,980
<ACCUMULATED-NII-PRIOR> (813,886)
<ACCUMULATED-GAINS-PRIOR> (34,909,310)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2,272,069
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5,227,556
<AVERAGE-NET-ASSETS> 328,970,798
<PER-SHARE-NAV-BEGIN> 9.87
<PER-SHARE-NII> 0.45
<PER-SHARE-GAIN-APPREC> (0.10)
<PER-SHARE-DIVIDEND> 0.49
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 9.73
<EXPENSE-RATIO> 2.05
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 7
<NAME> SALOMON BROTHERS HIGH YIELD BOND FUND. CLASS O
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 626,312,332
<INVESTMENTS-AT-VALUE> 577,120,851
<RECEIVABLES> 18,375,571
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<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 595,524,033
<PAYABLE-FOR-SECURITIES> 10,812,283
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 6,989,802
<TOTAL-LIABILITIES> 17,802,085
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 686,542,936
<SHARES-COMMON-STOCK> 1,260,983
<SHARES-COMMON-PRIOR> 903,143
<ACCUMULATED-NII-CURRENT> (3,191,359)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (56,438,148)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (49,191,481)
<NET-ASSETS> 577,721,948
<DIVIDEND-INCOME> 144,000
<INTEREST-INCOME> 31,752,812
<OTHER-INCOME> 0
<EXPENSES-NET> 5,156,692
<NET-INVESTMENT-INCOME> 26,740,120
<REALIZED-GAINS-CURRENT> (21,528,838)
<APPREC-INCREASE-CURRENT> 15,827,077
<NET-CHANGE-FROM-OPS> 21,038,359
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 615,908
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 456,947
<NUMBER-OF-SHARES-REDEEMED> 57,843
<SHARES-REINVESTED> 156,950
<NET-CHANGE-IN-ASSETS> 8,797,980
<ACCUMULATED-NII-PRIOR> (813,886)
<ACCUMULATED-GAINS-PRIOR> (34,909,310)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2,272,069
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5,227,556
<AVERAGE-NET-ASSETS> 11,078,401
<PER-SHARE-NAV-BEGIN> 9.89
<PER-SHARE-NII> 0.50
<PER-SHARE-GAIN-APPREC> (0.10)
<PER-SHARE-DIVIDEND> 0.55
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 9.74
<EXPENSE-RATIO> 1.06
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 7
<NAME> SALOMON BROTHERS HIGH YIELD BOND FUND. CLASS 2
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 626,312,332
<INVESTMENTS-AT-VALUE> 577,120,851
<RECEIVABLES> 18,375,571
<ASSETS-OTHER> 27,611
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 595,524,033
<PAYABLE-FOR-SECURITIES> 10,812,283
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 6,989,802
<TOTAL-LIABILITIES> 17,802,085
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 686,542,936
<SHARES-COMMON-STOCK> 9,420,232
<SHARES-COMMON-PRIOR> 8,781,482
<ACCUMULATED-NII-CURRENT> (3,191,359)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (56,438,148)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (49,191,481)
<NET-ASSETS> 577,721,948
<DIVIDEND-INCOME> 144,000
<INTEREST-INCOME> 31,752,812
<OTHER-INCOME> 0
<EXPENSES-NET> 5,156,692
<NET-INVESTMENT-INCOME> 26,740,120
<REALIZED-GAINS-CURRENT> (21,528,838)
<APPREC-INCREASE-CURRENT> 15,827,077
<NET-CHANGE-FROM-OPS> 21,038,359
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 4,431,509
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1,668,051
<NUMBER-OF-SHARES-REDEEMED> 176,203
<SHARES-REINVESTED> 1,205,504
<NET-CHANGE-IN-ASSETS> 8,797,980
<ACCUMULATED-NII-PRIOR> (813,886)
<ACCUMULATED-GAINS-PRIOR> (34,909,310)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2,272,069
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5,227,556
<AVERAGE-NET-ASSETS> 89,392,695
<PER-SHARE-NAV-BEGIN> 9.86
<PER-SHARE-NII> 0.46
<PER-SHARE-GAIN-APPREC> (0.10)
<PER-SHARE-DIVIDEND> 0.49
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 9.73
<EXPENSE-RATIO> 1.85
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUND
<SERIES>
<NUMBER> 8
<NAME> SALOMON BROTHERS STRATEGIC BOND FUND. CLASS A
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 141,213,376
<INVESTMENTS-AT-VALUE> 133,919,155
<RECEIVABLES> 2,860,969
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<TOTAL-ASSETS> 136,916,625
<PAYABLE-FOR-SECURITIES> 16,937,427
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,077,771
<TOTAL-LIABILITIES> 18,015,198
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 130,125,218
<SHARES-COMMON-STOCK> 2,225,793
<SHARES-COMMON-PRIOR> 2,159,481
<ACCUMULATED-NII-CURRENT> (1,554,839)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (2,392,975)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (7,275,977)
<NET-ASSETS> 118,901,427
<DIVIDEND-INCOME> (3,385)
<INTEREST-INCOME> 5,249,597
<OTHER-INCOME> 0
<EXPENSES-NET> 1,064,785
<NET-INVESTMENT-INCOME> 4,181,427
<REALIZED-GAINS-CURRENT> 3,140
<APPREC-INCREASE-CURRENT> (4,432,769)
<NET-CHANGE-FROM-OPS> (248,202)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 952,813
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 498,654
<NUMBER-OF-SHARES-REDEEMED> 481,723
<SHARES-REINVESTED> 49,381
<NET-CHANGE-IN-ASSETS> 1,153,821
<ACCUMULATED-NII-PRIOR> (925,830)
<ACCUMULATED-GAINS-PRIOR> (2,542,836)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 473,543
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,134,853
<AVERAGE-NET-ASSETS> 22,433,694
<PER-SHARE-NAV-BEGIN> 10.19
<PER-SHARE-NII> 00.38
<PER-SHARE-GAIN-APPREC> (0.38)
<PER-SHARE-DIVIDEND> 00.42
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 09.77
<EXPENSE-RATIO> 01.24
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUND
<SERIES>
<NUMBER> 8
<NAME> SALOMON BROTHERS STRATEGIC BOND FUND. CLASS B
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 141,213,376
<INVESTMENTS-AT-VALUE> 133,919,155
<RECEIVABLES> 2,860,969
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<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 136,916,625
<PAYABLE-FOR-SECURITIES> 16,937,427
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,077,771
<TOTAL-LIABILITIES> 18,015,198
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 130,125,218
<SHARES-COMMON-STOCK> 7,294,280
<SHARES-COMMON-PRIOR> 6,675,362
<ACCUMULATED-NII-CURRENT> (1,554,839)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (2,392,975)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (7,275,977)
<NET-ASSETS> 118,901,427
<DIVIDEND-INCOME> (3,385)
<INTEREST-INCOME> 5,249,597
<OTHER-INCOME> 0
<EXPENSES-NET> 1,064,785
<NET-INVESTMENT-INCOME> 4,181,427
<REALIZED-GAINS-CURRENT> 3,140
<APPREC-INCREASE-CURRENT> (4,432,769)
<NET-CHANGE-FROM-OPS> (248,202)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 2,677,472
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1,149,732
<NUMBER-OF-SHARES-REDEEMED> 626,250
<SHARES-REINVESTED> 95,436
<NET-CHANGE-IN-ASSETS> 1,153,821
<ACCUMULATED-NII-PRIOR> (925,830)
<ACCUMULATED-GAINS-PRIOR> (2,542,836)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 473,543
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,134,853
<AVERAGE-NET-ASSETS> 70,020,307
<PER-SHARE-NAV-BEGIN> 10.18
<PER-SHARE-NII> 00.34
<PER-SHARE-GAIN-APPREC> (0.38)
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<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 09.76
<EXPENSE-RATIO> 01.99
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUND
<SERIES>
<NUMBER> 8
<NAME> SALOMON BROTHERS STRATEGIC BOND FUND. CLASS O
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 141,213,376
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<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 130,125,218
<SHARES-COMMON-STOCK> 50,267
<SHARES-COMMON-PRIOR> 48,945
<ACCUMULATED-NII-CURRENT> (1,554,839)
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<ACCUMULATED-NET-GAINS> (2,392,975)
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<ACCUM-APPREC-OR-DEPREC> (7,275,977)
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<DIVIDEND-INCOME> (3,385)
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<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 21,698
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<NUMBER-OF-SHARES-SOLD> 121
<NUMBER-OF-SHARES-REDEEMED> 304
<SHARES-REINVESTED> 1,505
<NET-CHANGE-IN-ASSETS> 1,153,821
<ACCUMULATED-NII-PRIOR> (925,830)
<ACCUMULATED-GAINS-PRIOR> (2,542,836)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 473,543
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,134,853
<AVERAGE-NET-ASSETS> 594,274
<PER-SHARE-NAV-BEGIN> 10.18
<PER-SHARE-NII> 00.40
<PER-SHARE-GAIN-APPREC> (0.38)
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<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 09.76
<EXPENSE-RATIO> 00.99
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUND
<SERIES>
<NUMBER> 8
<NAME> SALOMON BROTHERS STRATEGIC BOND FUND. CLASS 2
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
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<PAID-IN-CAPITAL-COMMON> 130,125,218
<SHARES-COMMON-STOCK> 2,603,178
<SHARES-COMMON-PRIOR> 2,684,036
<ACCUMULATED-NII-CURRENT> (1,554,839)
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<ACCUMULATED-NET-GAINS> (2,392,975)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (7,275,977)
<NET-ASSETS> 118,901,427
<DIVIDEND-INCOME> (3,385)
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<NET-CHANGE-IN-ASSETS> 1,153,821
<ACCUMULATED-NII-PRIOR> (925,830)
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<GROSS-EXPENSE> 1,134,853
<AVERAGE-NET-ASSETS> 26,435,506
<PER-SHARE-NAV-BEGIN> 10.18
<PER-SHARE-NII> 00.35
<PER-SHARE-GAIN-APPREC> (0.37)
<PER-SHARE-DIVIDEND> 00.38
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 09.78
<EXPENSE-RATIO> 01.79
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 9
<NAME> SALOMON BROTHERS TOTAL RETURN FUND. CLASS A
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 181,153,699
<INVESTMENTS-AT-VALUE> 202,843,101
<RECEIVABLES> 1,749,872
<ASSETS-OTHER> 32,841
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 204,625,814
<PAYABLE-FOR-SECURITIES> 10,383,889
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,058,617
<TOTAL-LIABILITIES> 11,442,506
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 168,104,822
<SHARES-COMMON-STOCK> 3,053,304
<SHARES-COMMON-PRIOR> 9,925,358
<ACCUMULATED-NII-CURRENT> 6,788
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 3,382,296
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 21,689,402
<NET-ASSETS> 193,183,308
<DIVIDEND-INCOME> 1,507,192
<INTEREST-INCOME> 3,007,480
<OTHER-INCOME> 0
<EXPENSES-NET> 1,458,965
<NET-INVESTMENT-INCOME> 3,055,707
<REALIZED-GAINS-CURRENT> 3,577,307
<APPREC-INCREASE-CURRENT> 9,914,431
<NET-CHANGE-FROM-OPS> 16,547,445
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 862,056
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 249,115
<NUMBER-OF-SHARES-REDEEMED> 45,397
<SHARES-REINVESTED> 1,166,566
<NET-CHANGE-IN-ASSETS> (10,056,525)
<ACCUMULATED-NII-PRIOR> 150,615
<ACCUMULATED-GAINS-PRIOR> (195,011)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 577,656
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,668,126
<AVERAGE-NET-ASSETS> 42,793,184
<PER-SHARE-NAV-BEGIN> 13.11
<PER-SHARE-NII> 00.25
<PER-SHARE-GAIN-APPREC> 00.95
<PER-SHARE-DIVIDEND> 00.25
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 14.06
<EXPENSE-RATIO> 00.95
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 9
<NAME> SALOMON BROTHERS TOTAL RETURN FUND. CLASS B
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 181,153,699
<INVESTMENTS-AT-VALUE> 202,843,101
<RECEIVABLES> 1,749,872
<ASSETS-OTHER> 32,841
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 204,625,814
<PAYABLE-FOR-SECURITIES> 10,383,889
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,058,617
<TOTAL-LIABILITIES> 11,442,506
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 168,104,822
<SHARES-COMMON-STOCK> 8,624,743
<SHARES-COMMON-PRIOR> 9,239,410
<ACCUMULATED-NII-CURRENT> 6,788
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 3,382,296
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 21,689,402
<NET-ASSETS> 193,183,308
<DIVIDEND-INCOME> 1,507,192
<INTEREST-INCOME> 3,007,480
<OTHER-INCOME> 0
<EXPENSES-NET> 1,458,965
<NET-INVESTMENT-INCOME> 3,055,707
<REALIZED-GAINS-CURRENT> 3,577,307
<APPREC-INCREASE-CURRENT> 9,914,431
<NET-CHANGE-FROM-OPS> 16,547,445
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 1,868,669
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 621,635
<NUMBER-OF-SHARES-REDEEMED> 95,385
<SHARES-REINVESTED> 1,331,687
<NET-CHANGE-IN-ASSETS> (10,056,525)
<ACCUMULATED-NII-PRIOR> 150,615
<ACCUMULATED-GAINS-PRIOR> (195,011)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 577,656
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,668,126
<AVERAGE-NET-ASSETS> 119,855,354
<PER-SHARE-NAV-BEGIN> 13.08
<PER-SHARE-NII> 00.20
<PER-SHARE-GAIN-APPREC> 00.95
<PER-SHARE-DIVIDEND> 00.21
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 14.02
<EXPENSE-RATIO> 01.70
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 9
<NAME> SALOMON BROTHERS TOTAL RETURN FUND. CLASS O
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 181,153,699
<INVESTMENTS-AT-VALUE> 202,843,101
<RECEIVABLES> 1,749,872
<ASSETS-OTHER> 32,841
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 204,625,814
<PAYABLE-FOR-SECURITIES> 10,383,889
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,058,617
<TOTAL-LIABILITIES> 11,442,506
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 168,104,822
<SHARES-COMMON-STOCK> 113,913
<SHARES-COMMON-PRIOR> 115,566
<ACCUMULATED-NII-CURRENT> 6,788
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 3,382,296
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 21,689,402
<NET-ASSETS> 193,183,308
<DIVIDEND-INCOME> 1,507,192
<INTEREST-INCOME> 3,007,480
<OTHER-INCOME> 0
<EXPENSES-NET> 1,458,965
<NET-INVESTMENT-INCOME> 3,055,707
<REALIZED-GAINS-CURRENT> 3,577,307
<APPREC-INCREASE-CURRENT> 9,914,431
<NET-CHANGE-FROM-OPS> 16,547,445
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 30,782
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2,600
<NUMBER-OF-SHARES-REDEEMED> 1,870
<SHARES-REINVESTED> 6,123
<NET-CHANGE-IN-ASSETS> (10,056,525)
<ACCUMULATED-NII-PRIOR> 150,615
<ACCUMULATED-GAINS-PRIOR> (195,011)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 577,656
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,668,126
<AVERAGE-NET-ASSETS> 1,589,245
<PER-SHARE-NAV-BEGIN> 13.18
<PER-SHARE-NII> 00.27
<PER-SHARE-GAIN-APPREC> 00.95
<PER-SHARE-DIVIDEND> 00.27
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 14.13
<EXPENSE-RATIO> 00.70
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 9
<NAME> SALOMON BROTHERS TOTAL RETURN FUND. CLASS 2
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 181,153,699
<INVESTMENTS-AT-VALUE> 202,843,101
<RECEIVABLES> 1,749,872
<ASSETS-OTHER> 32,841
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 204,625,814
<PAYABLE-FOR-SECURITIES> 10,383,889
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,058,617
<TOTAL-LIABILITIES> 11,442,506
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 168,104,822
<SHARES-COMMON-STOCK> 1,977,055
<SHARES-COMMON-PRIOR> 2,246,860
<ACCUMULATED-NII-CURRENT> 6,788
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 3,382,296
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 21,689,402
<NET-ASSETS> 193,183,308
<DIVIDEND-INCOME> 1,507,192
<INTEREST-INCOME> 3,007,480
<OTHER-INCOME> 0
<EXPENSES-NET> 1,458,965
<NET-INVESTMENT-INCOME> 3,055,707
<REALIZED-GAINS-CURRENT> 3,577,307
<APPREC-INCREASE-CURRENT> 9,914,431
<NET-CHANGE-FROM-OPS> 16,547,445
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 438,027
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 192,947
<NUMBER-OF-SHARES-REDEEMED> 21,979
<SHARES-REINVESTED> 484,731
<NET-CHANGE-IN-ASSETS> (10,056,525)
<ACCUMULATED-NII-PRIOR> 150,615
<ACCUMULATED-GAINS-PRIOR> (195,011)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 577,656
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,668,126
<AVERAGE-NET-ASSETS> 27,394,771
<PER-SHARE-NAV-BEGIN> 13.11
<PER-SHARE-NII> 00.20
<PER-SHARE-GAIN-APPREC> 00.95
<PER-SHARE-DIVIDEND> 00.21
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 14.05
<EXPENSE-RATIO> 01.70
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 10
<NAME> SALOMON BROTHERS ASIA GROWTH FUND. CLASS A
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 13,655,695
<INVESTMENTS-AT-VALUE> 17,423,919
<RECEIVABLES> 1,036,591
<ASSETS-OTHER> 227,090
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 18,687,600
<PAYABLE-FOR-SECURITIES> 459,104
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 594,798
<TOTAL-LIABILITIES> 1,053,902
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 21,109,456
<SHARES-COMMON-STOCK> 590,189
<SHARES-COMMON-PRIOR> 674,096
<ACCUMULATED-NII-CURRENT> (71,540)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (7,074,501)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 3,670,283
<NET-ASSETS> 17,633,698
<DIVIDEND-INCOME> 95,772
<INTEREST-INCOME> 13,332
<OTHER-INCOME> 0
<EXPENSES-NET> 132,030
<NET-INVESTMENT-INCOME> (22,926)
<REALIZED-GAINS-CURRENT> 2,783,710
<APPREC-INCREASE-CURRENT> 2,959,847
<NET-CHANGE-FROM-OPS> 5,720,631
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 665,269
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 749,176
<NET-CHANGE-IN-ASSETS> 4,348,343
<ACCUMULATED-NII-PRIOR> (48,614)
<ACCUMULATED-GAINS-PRIOR> (9,858,211)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 64,132
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 280,585
<AVERAGE-NET-ASSETS> 4,574,707
<PER-SHARE-NAV-BEGIN> 6.50
<PER-SHARE-NII> 0.01
<PER-SHARE-GAIN-APPREC> 2.96
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 9.47
<EXPENSE-RATIO> 3.30
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 10
<NAME> SALOMON BROTHERS ASIA GROWTH FUND. CLASS B
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 13,655,695
<INVESTMENTS-AT-VALUE> 17,423,919
<RECEIVABLES> 1,036,591
<ASSETS-OTHER> 227,090
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 18,687,600
<PAYABLE-FOR-SECURITIES> 459,104
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 594,798
<TOTAL-LIABILITIES> 1,053,902
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 21,109,456
<SHARES-COMMON-STOCK> 823,956
<SHARES-COMMON-PRIOR> 818,688
<ACCUMULATED-NII-CURRENT> (71,540)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (7,074,501)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 3,670,283
<NET-ASSETS> 17,633,698
<DIVIDEND-INCOME> 95,772
<INTEREST-INCOME> 13,332
<OTHER-INCOME> 0
<EXPENSES-NET> 132,030
<NET-INVESTMENT-INCOME> (22,926)
<REALIZED-GAINS-CURRENT> 2,783,710
<APPREC-INCREASE-CURRENT> 2,959,847
<NET-CHANGE-FROM-OPS> 5,720,631
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 79,042
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 73,774
<NET-CHANGE-IN-ASSETS> 4,348,343
<ACCUMULATED-NII-PRIOR> (48,614)
<ACCUMULATED-GAINS-PRIOR> (9,858,211)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 64,132
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 280,585
<AVERAGE-NET-ASSETS> 5,787,876
<PER-SHARE-NAV-BEGIN> 6.42
<PER-SHARE-NII> (0.02)
<PER-SHARE-GAIN-APPREC> 2.91
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 9.31
<EXPENSE-RATIO> 1.99
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 10
<NAME> SALOMON BROTHERS ASIA GROWTH FUND. CLASS O
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 13,655,695
<INVESTMENTS-AT-VALUE> 17,423,919
<RECEIVABLES> 1,036,591
<ASSETS-OTHER> 227,090
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 18,687,600
<PAYABLE-FOR-SECURITIES> 459,104
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 594,798
<TOTAL-LIABILITIES> 1,053,902
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 21,109,456
<SHARES-COMMON-STOCK> 107,293
<SHARES-COMMON-PRIOR> 203,929
<ACCUMULATED-NII-CURRENT> (71,540)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (7,074,501)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 3,670,283
<NET-ASSETS> 17,633,698
<DIVIDEND-INCOME> 95,772
<INTEREST-INCOME> 13,332
<OTHER-INCOME> 0
<EXPENSES-NET> 132,030
<NET-INVESTMENT-INCOME> (22,926)
<REALIZED-GAINS-CURRENT> 2,783,710
<APPREC-INCREASE-CURRENT> 2,959,847
<NET-CHANGE-FROM-OPS> 5,720,631
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1,935
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 101,571
<NET-CHANGE-IN-ASSETS> 4,348,343
<ACCUMULATED-NII-PRIOR> (48,614)
<ACCUMULATED-GAINS-PRIOR> (9,858,211)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 64,132
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 280,585
<AVERAGE-NET-ASSETS> 1,506,398
<PER-SHARE-NAV-BEGIN> 6.54
<PER-SHARE-NII> (0.02)
<PER-SHARE-GAIN-APPREC> 2.97
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 9.53
<EXPENSE-RATIO> 0.99
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 10
<NAME> SALOMON BROTHERS ASIA GROWTH FUND. CLASS 2
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 13,655,695
<INVESTMENTS-AT-VALUE> 17,423,919
<RECEIVABLES> 1,036,591
<ASSETS-OTHER> 227,090
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 18,687,600
<PAYABLE-FOR-SECURITIES> 459,104
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 594,798
<TOTAL-LIABILITIES> 1,053,902
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 21,109,456
<SHARES-COMMON-STOCK> 359,961
<SHARES-COMMON-PRIOR> 356,916
<ACCUMULATED-NII-CURRENT> (71,540)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (7,074,501)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 3,670,283
<NET-ASSETS> 17,633,698
<DIVIDEND-INCOME> 95,772
<INTEREST-INCOME> 13,332
<OTHER-INCOME> 0
<EXPENSES-NET> 132,030
<NET-INVESTMENT-INCOME> (22,926)
<REALIZED-GAINS-CURRENT> 2,783,710
<APPREC-INCREASE-CURRENT> 2,959,847
<NET-CHANGE-FROM-OPS> 5,720,631
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 100,369
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 97,324
<NET-CHANGE-IN-ASSETS> 4,348,343
<ACCUMULATED-NII-PRIOR> (48,614)
<ACCUMULATED-GAINS-PRIOR> (9,858,211)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 64,132
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 280,585
<AVERAGE-NET-ASSETS> 2,646,519
<PER-SHARE-NAV-BEGIN> 6.42
<PER-SHARE-NII> (0.02)
<PER-SHARE-GAIN-APPREC> 2.91
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 9.31
<EXPENSE-RATIO> 1.99
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 11
<NAME> SMALL CAP GROWTH FUND. CLASS A
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 10,072,124
<INVESTMENTS-AT-VALUE> 12,832,259
<RECEIVABLES> 1,284,921
<ASSETS-OTHER> 978
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 14,118,158
<PAYABLE-FOR-SECURITIES> 752,681
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 37,571
<TOTAL-LIABILITIES> 790,252
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 10,361,206
<SHARES-COMMON-STOCK> 340,960
<SHARES-COMMON-PRIOR> 276,591
<ACCUMULATED-NII-CURRENT> (75,074)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 281,639
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 2,760,135
<NET-ASSETS> 13,327,906
<DIVIDEND-INCOME> 12,835
<INTEREST-INCOME> 12,242
<OTHER-INCOME> 0
<EXPENSES-NET> 100,151
<NET-INVESTMENT-INCOME> (75,074)
<REALIZED-GAINS-CURRENT> 601,600
<APPREC-INCREASE-CURRENT> 1,178,155
<NET-CHANGE-FROM-OPS> 1,704,681
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 146,979
<NUMBER-OF-SHARES-REDEEMED> 82,610
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 4,734,376
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (319,961)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 43,007
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 140,340
<AVERAGE-NET-ASSETS> 3,629,302
<PER-SHARE-NAV-BEGIN> 11.59
<PER-SHARE-NII> (0.06)
<PER-SHARE-GAIN-APPREC> 01.95
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 13.48
<EXPENSE-RATIO> 01.50
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 11
<NAME> SMALL CAP GROWTH FUND. CLASS B
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 10,072,124
<INVESTMENTS-AT-VALUE> 12,832,259
<RECEIVABLES> 1,284,921
<ASSETS-OTHER> 978
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 14,118,158
<PAYABLE-FOR-SECURITIES> 752,681
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 37,571
<TOTAL-LIABILITIES> 790,252
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 10,361,206
<SHARES-COMMON-STOCK> 416,488
<SHARES-COMMON-PRIOR> 333,347
<ACCUMULATED-NII-CURRENT> (75,074)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 281,639
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 2,760,135
<NET-ASSETS> 13,327,906
<DIVIDEND-INCOME> 12,835
<INTEREST-INCOME> 12,242
<OTHER-INCOME> 0
<EXPENSES-NET> 100,151
<NET-INVESTMENT-INCOME> (75,074)
<REALIZED-GAINS-CURRENT> 601,600
<APPREC-INCREASE-CURRENT> 1,178,155
<NET-CHANGE-FROM-OPS> 1,704,681
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 133,134
<NUMBER-OF-SHARES-REDEEMED> 49,993
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 4,734,376
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (319,961)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 43,007
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 140,340
<AVERAGE-NET-ASSETS> 4,359,053
<PER-SHARE-NAV-BEGIN> 11.55
<PER-SHARE-NII> (0.10)
<PER-SHARE-GAIN-APPREC> 01.92
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 13.37
<EXPENSE-RATIO> 02.25
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 11
<NAME> SMALL CAP GROWTH FUND. CLASS O
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 10,072,124
<INVESTMENTS-AT-VALUE> 12,832,259
<RECEIVABLES> 1,284,921
<ASSETS-OTHER> 978
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 14,118,158
<PAYABLE-FOR-SECURITIES> 752,681
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 37,571
<TOTAL-LIABILITIES> 790,252
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 10,361,206
<SHARES-COMMON-STOCK> 754
<SHARES-COMMON-PRIOR> 5,754
<ACCUMULATED-NII-CURRENT> (75,074)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 281,639
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 2,760,135
<NET-ASSETS> 13,327,906
<DIVIDEND-INCOME> 12,835
<INTEREST-INCOME> 12,242
<OTHER-INCOME> 0
<EXPENSES-NET> 100,151
<NET-INVESTMENT-INCOME> (75,074)
<REALIZED-GAINS-CURRENT> 601,600
<APPREC-INCREASE-CURRENT> 1,178,155
<NET-CHANGE-FROM-OPS> 1,704,681
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 5,000
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 4,734,376
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (319,961)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 43,007
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 140,340
<AVERAGE-NET-ASSETS> 44,264
<PER-SHARE-NAV-BEGIN> 11.60
<PER-SHARE-NII> (0.05)
<PER-SHARE-GAIN-APPREC> 01.96
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 13.51
<EXPENSE-RATIO> 01.25
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> SALOMON BROTHERS SERIES FUNDS
<SERIES>
<NUMBER> 11
<NAME> SMALL CAP GROWTH FUND. CLASS 2
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 10,072,124
<INVESTMENTS-AT-VALUE> 12,832,259
<RECEIVABLES> 1,284,921
<ASSETS-OTHER> 978
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 14,118,158
<PAYABLE-FOR-SECURITIES> 752,681
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 37,571
<TOTAL-LIABILITIES> 790,252
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 10,361,206
<SHARES-COMMON-STOCK> 235,215
<SHARES-COMMON-PRIOR> 127,254
<ACCUMULATED-NII-CURRENT> (75,074)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 281,639
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 2,760,135
<NET-ASSETS> 13,327,906
<DIVIDEND-INCOME> 12,835
<INTEREST-INCOME> 12,242
<OTHER-INCOME> 0
<EXPENSES-NET> 100,151
<NET-INVESTMENT-INCOME> (75,074)
<REALIZED-GAINS-CURRENT> 601,600
<APPREC-INCREASE-CURRENT> 1,178,155
<NET-CHANGE-FROM-OPS> 1,704,681
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 122,246
<NUMBER-OF-SHARES-REDEEMED> 14,285
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 4,734,376
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (319,961)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 43,007
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 140,340
<AVERAGE-NET-ASSETS> 2,187,317
<PER-SHARE-NAV-BEGIN> 11.56
<PER-SHARE-NII> (0.10)
<PER-SHARE-GAIN-APPREC> 01.93
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 13.39
<EXPENSE-RATIO> 02.25
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
