[ARTICLE] 6
[CIK] 0000880583
[NAME] THE TRAVELERS SERIES TRUST
[SERIES]
   [NUMBER] 14
   [NAME] MID CAP DISCIPLINED EQUITY PORTFOLIO
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          DEC-31-1998
[PERIOD-END]                               DEC-31-1998
[INVESTMENTS-AT-COST]                       16,178,780
[INVESTMENTS-AT-VALUE]                      18,099,112
[RECEIVABLES]                                1,997,832
[ASSETS-OTHER]                                     576
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                              20,097,520
[PAYABLE-FOR-SECURITIES]                       601,416
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                       36,284
[TOTAL-LIABILITIES]                            637,700
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                    16,356,605
[SHARES-COMMON-STOCK]                        1,356,946
[SHARES-COMMON-PRIOR]                          494,756
[ACCUMULATED-NII-CURRENT]                        51517
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                      1,064,409
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                     1,987,289
[NET-ASSETS]                                19,459,820
[DIVIDEND-INCOME]                              106,573
[INTEREST-INCOME]                               46,849
[OTHER-INCOME]                                       0
[EXPENSES-NET]                                 101,905
[NET-INVESTMENT-INCOME]                         51,517
[REALIZED-GAINS-CURRENT]                     1,087,428
[APPREC-INCREASE-CURRENT]                    1,433,700
[NET-CHANGE-FROM-OPS]                        2,572,645
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                            0
[DISTRIBUTIONS-OF-GAINS]                       169,721
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                        883,471
[NUMBER-OF-SHARES-REDEEMED]                     34,061
[SHARES-REINVESTED]                             12,780
[NET-CHANGE-IN-ASSETS]                      13,290,766
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                      146,703
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                           35,574
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                                131,043
[AVERAGE-NET-ASSETS]                        10,763,160
[PER-SHARE-NAV-BEGIN]                            12.47
[PER-SHARE-NII]                                  00.06
[PER-SHARE-GAIN-APPREC]                          02.02
[PER-SHARE-DIVIDEND]                              0.00
[PER-SHARE-DISTRIBUTIONS]                        00.22
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              14.33
[EXPENSE-RATIO]                                  00.95
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>