<PAGE> PAGE 1
000 A000000 06/30/98
000 C000000 880583
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 Y
000 H000000 N
000 I000000 3.0
000 J000000 A
001 A000000 THE TRAVELERS SERIES TRUST
001 B000000 811-6465
001 C000000 2128166560
002 A000000 388 GREENWICH STREET
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10013
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 Y
007 B000000 19
007 C010100 1
007 C020100 U.S. GOVERNMENT SECURITIES PORTFOLIO
007 C030100 N
007 C010200 2
007 C020200 SOCIAL AWARENESS STOCK PORTFOLIO
007 C030200 N
007 C010300 3
007 C020300 UTILITIES PORTFOLIO
007 C030300 N
007 C010400 4
007 C020400 ZERO COUPON BOND FUND PORTFOLIO SERIES 1998
007 C030400 N
007 C010500 5
007 C020500 ZERO COUPON BOND FUND PORTFOLIO SERIES 2000
007 C030500 N
007 C010600 6
007 C020600 ZERO COUPON BOND FUND PORTFOLIO SERIES 2005
007 C030600 N
007 C010700 7
007 C020700 QUALITY BOND PORTFOLIO
007 C030700 N
007 C010800 8
007 C020800 MFS EMERGING GROWTH PORTFOLIO
007 C030800 N
007 C010900 9
007 C020900 FEDERATED STOCK PORTFOLIO
007 C030900 N
007 C011000 10
007 C021000 FEDERATED HIGH YIELD PORTFOLIO
<PAGE> PAGE 2
007 C031000 N
007 C011100 11
007 C021100 LAZARD INTERNATIONAL EQUITY PORTFOLIO
007 C031100 N
007 C011200 12
007 C021200 EQUITY INCOME PORTFOLIO
007 C031200 N
007 C011300 13
007 C021300 LARGE CAP PORTFOLIO
007 C031300 N
007 C011400 14
007 C021400 MID CAP DISCIPLINED EQUITY FUND
007 C031400 N
007 C011500 15
007 C021500 CONVERTIBLE BOND PORTFOLIO
007 C031500 N
007 C011600 16
007 C021600 STRATEGIC STOCK PORTFOLIO
007 C031600 N
007 C011700 17
007 C021700 DISCIPLINED SMALL CAP STOCK PORTFOLIO
007 C031700 N
007 C011800 18
007 C021800 MFS MID CAP GROWTH PORTFOLIO
007 C031800 N
007 C011900 19
007 C021900 MFS RESEARCH PORTFOLIO
007 C031900 N
007 C012000 20
007 C012100 21
007 C012200 22
007 C012300 23
007 C012400 24
007 C012500 25
007 C012600 26
007 C012700 27
007 C012800 28
007 C012900 29
007 C013000 30
020 A000001 PAINE WEBBER
020 B000001 13-2638166
020 C000001 18
020 A000002 MERRILL LYNCH
020 B000002 13-5674085
020 C000002 16
020 A000003 TIEDEMANN
020 B000003 N/A
020 C000003 12
020 A000004 MORGAN STANLEY
020 B000004 13-2655998
020 C000004 9
<PAGE> PAGE 3
020 A000005 GOLDMAN SACHS
020 B000005 13-5108880
020 C000005 9
020 A000006 CS FIRST BOSTON
020 B000006 13-5659485
020 C000006 5
020 A000007 BT ALEX BROWN
020 B000007 N/A
020 C000007 5
020 A000008 BERNSTEIN
020 B000008 N/A
020 C000008 5
020 A000009 SCHRODER & CO.
020 B000009 N/A
020 C000009 4
020 A000010 OPPENHEIMER & CO.
020 B000010 N/A
020 C000010 4
021 000000 87
SIGNATURE IRVING P. DAVID
TITLE CONTROLLER
