[ARTICLE] 6
[CIK] 0000880583
[NAME] THE TRAVELERS SERIES TRUST
[SERIES]
   [NUMBER] 8
   [NAME] MFS EMERGING GROWTH
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          DEC-31-1998
[PERIOD-END]                               DEC-31-1998
[INVESTMENTS-AT-COST]                      126,866,733
[INVESTMENTS-AT-VALUE]                     169,993,345
[RECEIVABLES]                                  545,071
[ASSETS-OTHER]                                  18,269
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                             170,556,685
[PAYABLE-FOR-SECURITIES]                       331,383
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                      166,178
[TOTAL-LIABILITIES]                            497,561
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   129,294,558
[SHARES-COMMON-STOCK]                       10,081,086
[SHARES-COMMON-PRIOR]                        5,600,999
[ACCUMULATED-NII-CURRENT]                      529,699
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                      2,043,324
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                    43,126,733
[NET-ASSETS]                              170,059,1214
[DIVIDEND-INCOME]                              142,709
[INTEREST-INCOME]                              326,415
[OTHER-INCOME]                                       0
[EXPENSES-NET]                                 998,823
[NET-INVESTMENT-INCOME]                      (529,694)
[REALIZED-GAINS-CURRENT]                     1,228,852
[APPREC-INCREASE-CURRENT]                   37,341,898
[NET-CHANGE-FROM-OPS]                       35,586,701
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                            0
[DISTRIBUTIONS-OF-GAINS]                             0
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                        847,456
[NUMBER-OF-SHARES-REDEEMED]                    641,792
[SHARES-REINVESTED]                                  0
[NET-CHANGE-IN-ASSETS]                      99,712,071
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                      716,837
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                          837,712
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                                998,823
[AVERAGE-NET-ASSETS]                       111,968,637
[PER-SHARE-NAV-BEGIN]                            12.56
[PER-SHARE-NII]                                  00.07
[PER-SHARE-GAIN-APPREC]                          04.38
[PER-SHARE-DIVIDEND]                                 0
[PER-SHARE-DISTRIBUTIONS]                            0
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              16.87
[EXPENSE-RATIO]                                  00.89
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>