<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000880583
<NAME> MFS Emerging Growth Portfolio
<SERIES>
   <NUMBER>008
   <NAME>The Travelers Series Trust

<S>                             <C>
<PERIOD-TYPE>                  6-MOS
<FISCAL-YEAR-END>                               Dec-31-2000
<PERIOD-END>                                    Jun-30-2000
<INVESTMENTS-AT-COST>                           365,533,903
<INVESTMENTS-AT-VALUE>                          480,865,151
<RECEIVABLES>                                     7,905,690
<ASSETS-OTHER>                                       77,396
<OTHER-ITEMS-ASSETS>                                      0
<TOTAL-ASSETS>                                  488,848,237
<PAYABLE-FOR-SECURITIES>                          8,394,935
<SENIOR-LONG-TERM-DEBT>                                   0
<OTHER-ITEMS-LIABILITIES>                           334,708
<TOTAL-LIABILITIES>                               8,729,643
<SENIOR-EQUITY>                                           0
<PAID-IN-CAPITAL-COMMON>                        309,242,116
<SHARES-COMMON-STOCK>                            17,445,380
<SHARES-COMMON-PRIOR>                            13,847,808
<ACCUMULATED-NII-CURRENT>                          (470,032)
<OVERDISTRIBUTION-NII>                                    0
<ACCUMULATED-NET-GAINS>                          56,016,827
<OVERDISTRIBUTION-GAINS>                                  0
<ACCUM-APPREC-OR-DEPREC>                        115,329,683
<NET-ASSETS>                                    480,118,594
<DIVIDEND-INCOME>                                   290,062
<INTEREST-INCOME>                                 1,169,805
<OTHER-INCOME>                                            0
<EXPENSES-NET>                                    1,933,781
<NET-INVESTMENT-INCOME>                            (473,914)
<REALIZED-GAINS-CURRENT>                         56,541,107
<APPREC-INCREASE-CURRENT>                       (70,296,830)
<NET-CHANGE-FROM-OPS>                           (14,229,637)
<EQUALIZATION>                                            0
<DISTRIBUTIONS-OF-INCOME>                                 0
<DISTRIBUTIONS-OF-GAINS>                         24,261,927
<DISTRIBUTIONS-OTHER>                                     0
<NUMBER-OF-SHARES-SOLD>                           2,791,156
<NUMBER-OF-SHARES-REDEEMED>                          81,974
<SHARES-REINVESTED>                                 888,390
<NET-CHANGE-IN-ASSETS>                           67,165,018
<ACCUMULATED-NII-PRIOR>                               1,310
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<OVERDISTRIB-NII-PRIOR>                                   0
<OVERDIST-NET-GAINS-PRIOR>                                0
<GROSS-ADVISORY-FEES>                             1,836,354
<INTEREST-EXPENSE>                                        0
<GROSS-EXPENSE>                                   1,933,781
<AVERAGE-NET-ASSETS>                            455,038,534
<PER-SHARE-NAV-BEGIN>                                29.820
<PER-SHARE-NII>                                      (0.030)
<PER-SHARE-GAIN-APPREC>                              (0.800)
<PER-SHARE-DIVIDEND>                                  0.000
<PER-SHARE-DISTRIBUTIONS>                             1.470
<RETURNS-OF-CAPITAL>                                  0.000
<PER-SHARE-NAV-END>                                  27.520
<EXPENSE-RATIO>                                        0.85



</TABLE>