<ARTICLE> 6 <SERIES> <NUMBER> 02 <NAME> MERRILL LYNCH SMALL CAP INDEX SERIES <PERIOD-TYPE> OTHER <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> APR-09-1997 <PERIOD-END> DEC-31-1997 <INVESTMENTS-AT-COST> 87136054 <INVESTMENTS-AT-VALUE> 94701755 <RECEIVABLES> 1424789 <ASSETS-OTHER> 356540 <OTHER-ITEMS-ASSETS> 0 <TOTAL-ASSETS> 96483084 <PAYABLE-FOR-SECURITIES> 288292 <SENIOR-LONG-TERM-DEBT> 0 <OTHER-ITEMS-LIABILITIES> 449683 <TOTAL-LIABILITIES> 737975 <SENIOR-EQUITY> 0 <PAID-IN-CAPITAL-COMMON> 87980250 <SHARES-COMMON-STOCK> 0 <SHARES-COMMON-PRIOR> 0 <ACCUMULATED-NII-CURRENT> 0 <OVERDISTRIBUTION-NII> 0 <ACCUMULATED-NET-GAINS> 0 <OVERDISTRIBUTION-GAINS> 0 <ACCUM-APPREC-OR-DEPREC> 7764859 <NET-ASSETS> 95745109 <DIVIDEND-INCOME> 571104 <INTEREST-INCOME> 321624 <OTHER-INCOME> 0 <EXPENSES-NET> (83593) <NET-INVESTMENT-INCOME> 809135 <REALIZED-GAINS-CURRENT> 1553214 <APPREC-INCREASE-CURRENT> 7764859 <NET-CHANGE-FROM-OPS> 10127208 <EQUALIZATION> 0 <DISTRIBUTIONS-OF-INCOME> 0 <DISTRIBUTIONS-OF-GAINS> 0 <DISTRIBUTIONS-OTHER> 0 <NUMBER-OF-SHARES-SOLD> 0 <NUMBER-OF-SHARES-REDEEMED> 0 <SHARES-REINVESTED> 0 <NET-CHANGE-IN-ASSETS> 95745109 <ACCUMULATED-NII-PRIOR> 0 <ACCUMULATED-GAINS-PRIOR> 0 <OVERDISTRIB-NII-PRIOR> 0 <OVERDIST-NET-GAINS-PRIOR> 0 <GROSS-ADVISORY-FEES> 36425 <INTEREST-EXPENSE> 0 <GROSS-EXPENSE> 130960 <AVERAGE-NET-ASSETS> 62530490 <PER-SHARE-NAV-BEGIN> 0 <PER-SHARE-NII> 0 <PER-SHARE-GAIN-APPREC> 0 <PER-SHARE-DIVIDEND> 0 <PER-SHARE-DISTRIBUTIONS> 0 <RETURNS-OF-CAPITAL> 0 <PER-SHARE-NAV-END> 0 <EXPENSE-RATIO> .29 <AVG-DEBT-OUTSTANDING> 0 <AVG-DEBT-PER-SHARE> 0