[ARTICLE] 6
[CIK] 0000880583
[NAME] THE TRAVELERS SERIES TRUST
[SERIES]
   [NUMBER] 21
   [NAME] JURIKA & VOYLES CORE EQUITY PORTFOLIO
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   6-MOS
[FISCAL-YEAR-END]                          DEC-31-1999
[PERIOD-END]                               JUN-30-1999
[INVESTMENTS-AT-COST]                        7,011,640
[INVESTMENTS-AT-VALUE]                       7,857,715
[RECEIVABLES]                                  125,560
[ASSETS-OTHER]                                     548
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                               7,983,823
[PAYABLE-FOR-SECURITIES]                             0
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                       23,455
[TOTAL-LIABILITIES]                             23,455
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                     7,256,186
[SHARES-COMMON-STOCK]                          724,324
[SHARES-COMMON-PRIOR]                          600,523
[ACCUMULATED-NII-CURRENT]                       23,931
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                      (165,824)
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                       846,075
[NET-ASSETS]                                 7,960,368
[DIVIDEND-INCOME]                               39,638
[INTEREST-INCOME]                               17,708
[OTHER-INCOME]                                       0
[EXPENSES-NET]                                  33,835
[NET-INVESTMENT-INCOME]                         23,511
[REALIZED-GAINS-CURRENT]                      (97,091)
[APPREC-INCREASE-CURRENT]                      577,680
[NET-CHANGE-FROM-OPS]                          504,100
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                            0
[DISTRIBUTIONS-OF-GAINS]                             0
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                        127,681
[NUMBER-OF-SHARES-REDEEMED]                      3,880
[SHARES-REINVESTED]                                  0
[NET-CHANGE-IN-ASSETS]                       1,791,365
[ACCUMULATED-NII-PRIOR]                            420
[ACCUMULATED-GAINS-PRIOR]                     (68,733)
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                           27,366
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                                 47,396
[AVERAGE-NET-ASSETS]                         6,823,015
[PER-SHARE-NAV-BEGIN]                            10.27
[PER-SHARE-NII]                                  00.04
[PER-SHARE-GAIN-APPREC]                          00.68
[PER-SHARE-DIVIDEND]                                 0
[PER-SHARE-DISTRIBUTIONS]                            0
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              10.99
[EXPENSE-RATIO]                                  01.00
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>