[ARTICLE] 6
[CIK] 0000880583
[NAME] THE TRAVELERS SERIES TRUST
[SERIES]
   [NUMBER] 10
   [NAME] FEDERATED HIGH YIELD PORTFOLIO
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   6-MOS
[FISCAL-YEAR-END]                          DEC-31-1999
[PERIOD-END]                               JUN-30-1999
[INVESTMENTS-AT-COST]                       49,719,933
[INVESTMENTS-AT-VALUE]                      48,193,781
[RECEIVABLES]                                  817,970
[ASSETS-OTHER]                                 168,327
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                              49,180,078
[PAYABLE-FOR-SECURITIES]                       395,945
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                      51,7943
[TOTAL-LIABILITIES]                            447,739
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                    48,397,917
[SHARES-COMMON-STOCK]                        4,243,683
[SHARES-COMMON-PRIOR]                        3,689,694
[ACCUMULATED-NII-CURRENT]                    1,999,281
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                      (138,707)
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                   (1,526,152)
[NET-ASSETS]                                48,732,339
[DIVIDEND-INCOME]                               66,770
[INTEREST-INCOME]                            2,125,406
[OTHER-INCOME]                                       0
[EXPENSES-NET]                                 192,895
[NET-INVESTMENT-INCOME]                      1,999,281
[REALIZED-GAINS-CURRENT]                     (138,351)
[APPREC-INCREASE-CURRENT]                    (406,719)
[NET-CHANGE-FROM-OPS]                        1,454,211
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                            0
[DISTRIBUTIONS-OF-GAINS]                        59,413
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                        841,020
[NUMBER-OF-SHARES-REDEEMED]                    292,211
[SHARES-REINVESTED]                              5,180
[NET-CHANGE-IN-ASSETS]                       7,743,595
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                       59,057
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                          161,631
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                                192,895
[AVERAGE-NET-ASSETS]                        45,964,358
[PER-SHARE-NAV-BEGIN]                            11.11
[PER-SHARE-NII]                                  00.50
[PER-SHARE-GAIN-APPREC]                         (0.12)
[PER-SHARE-DIVIDEND]                                 0
[PER-SHARE-DISTRIBUTIONS]                        00.01
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              11.48
[EXPENSE-RATIO]                                  00.85
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>