[ARTICLE] 6
[CIK] 0000880583
[NAME] THE TRAVELERS SERIES TRUST
[SERIES]
   [NUMBER] 15
   [NAME] CONVERTIBLE BOND PORTFOLIO
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   6-MOS
[FISCAL-YEAR-END]                          DEC-31-1999
[PERIOD-END]                               JUN-30-1999
[INVESTMENTS-AT-COST]                        7,017,792
[INVESTMENTS-AT-VALUE]                       7,230,655
[RECEIVABLES]                                  280,700
[ASSETS-OTHER]                                     958
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                               7,512,313
[PAYABLE-FOR-SECURITIES]                             0
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                       20,582
[TOTAL-LIABILITIES]                             20,582
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                     7,022,881
[SHARES-COMMON-STOCK]                          705,166
[SHARES-COMMON-PRIOR]                          468,298
[ACCUMULATED-NII-CURRENT]                      139,575
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                        116,412
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                       212,863
[NET-ASSETS]                                 7,491,731
[DIVIDEND-INCOME]                               54,360
[INTEREST-INCOME]                              109,267
[OTHER-INCOME]                                       0
[EXPENSES-NET]                                  24,052
[NET-INVESTMENT-INCOME]                        139,575
[REALIZED-GAINS-CURRENT]                       116,417
[APPREC-INCREASE-CURRENT]                      245,722
[NET-CHANGE-FROM-OPS]                          501,714
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                            0
[DISTRIBUTIONS-OF-GAINS]                         8,610
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                        256,334
[NUMBER-OF-SHARES-REDEEMED]                     20,291
[SHARES-REINVESTED]                                825
[NET-CHANGE-IN-ASSETS]                       2,874,521
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                        8,605
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                           19,843
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                                 38,363
[AVERAGE-NET-ASSETS]                         6,079,264
[PER-SHARE-NAV-BEGIN]                            09.86
[PER-SHARE-NII]                                  00.23
[PER-SHARE-GAIN-APPREC]                          00.54
[PER-SHARE-DIVIDEND]                                 0
[PER-SHARE-DISTRIBUTIONS]                        00.01
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              10.62
[EXPENSE-RATIO]                                  00.80
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>