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<PAGE> PAGE 2
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022 A000001 FIRST NATIONAL BANK 0F CHICAGO-GRAND CAYMAN
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<PAGE> PAGE 3
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<PAGE> PAGE 4
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<PAGE> PAGE 5
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<PAGE> PAGE 6
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SIGNATURE THOMAS G. ROSE
TITLE TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER> 011
<NAME> SELIGMAN CASH MANAGEMENT FUND CLASS A
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1997
<PERIOD-END> JUN-30-1997
<INVESTMENTS-AT-COST> 224957
<INVESTMENTS-AT-VALUE> 224957
<RECEIVABLES> 8465
<ASSETS-OTHER> 375
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 233797
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 4105
<TOTAL-LIABILITIES> 4105
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 229697
<SHARES-COMMON-STOCK> 199927<F1>
<SHARES-COMMON-PRIOR> 208954<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (5)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 199922<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 5458<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (801)<F1>
<NET-INVESTMENT-INCOME> 4657<F1>
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 4657<F1>
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (4657)<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 799689<F1>
<NUMBER-OF-SHARES-REDEEMED> (812824)<F1>
<SHARES-REINVESTED> 4108<F1>
<NET-CHANGE-IN-ASSETS> (9027)<F1>
<ACCUMULATED-NII-PRIOR> (5)<F1>
<ACCUMULATED-GAINS-PRIOR> 0<F1>
<OVERDISTRIB-NII-PRIOR> 0<F1>
<OVERDIST-NET-GAINS-PRIOR> 0<F1>
<GROSS-ADVISORY-FEES> 404<F1>
<INTEREST-EXPENSE> 0<F1>
<GROSS-EXPENSE> 801<F1>
<AVERAGE-NET-ASSETS> 201536<F1>
<PER-SHARE-NAV-BEGIN> 1.00<F1>
<PER-SHARE-NII> .023<F1>
<PER-SHARE-GAIN-APPREC> 0<F1>
<PER-SHARE-DIVIDEND> (.023)<F1>
<PER-SHARE-DISTRIBUTIONS> 0<F1>
<RETURNS-OF-CAPITAL> 0<F1>
<PER-SHARE-NAV-END> 1.00<F1>
<EXPENSE-RATIO> .80<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A only. All other data are fund level.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER> 012
<NAME> SELIGMAN CASH MANAGEMENT FUND CLASS B
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1997
<PERIOD-END> JUN-30-1997
<INVESTMENTS-AT-COST> 224957
<INVESTMENTS-AT-VALUE> 224957
<RECEIVABLES> 8465
<ASSETS-OTHER> 375
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 233797
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 4105
<TOTAL-LIABILITIES> 4105
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 229697
<SHARES-COMMON-STOCK> 4418<F1>
<SHARES-COMMON-PRIOR> 2493<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (5)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 4418<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 190<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (62)<F1>
<NET-INVESTMENT-INCOME> 128<F1>
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 128<F1>
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (128)<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 21303<F1>
<NUMBER-OF-SHARES-REDEEMED> (19486)<F1>
<SHARES-REINVESTED> 108<F1>
<NET-CHANGE-IN-ASSETS> 1924<F1>
<ACCUMULATED-NII-PRIOR> (5)<F1>
<ACCUMULATED-GAINS-PRIOR> 0<F1>
<OVERDISTRIB-NII-PRIOR> 0<F1>
<OVERDIST-NET-GAINS-PRIOR> 0<F1>
<GROSS-ADVISORY-FEES> 14<F1>
<INTEREST-EXPENSE> 0<F1>
<GROSS-EXPENSE> 62<F1>
<AVERAGE-NET-ASSETS> 7013<F1>
<PER-SHARE-NAV-BEGIN> 1.00<F1>
<PER-SHARE-NII> .018<F1>
<PER-SHARE-GAIN-APPREC> 0<F1>
<PER-SHARE-DIVIDEND> (.018)<F1>
<PER-SHARE-DISTRIBUTIONS> 0<F1>
<RETURNS-OF-CAPITAL> 0<F1>
<PER-SHARE-NAV-END> 1.00<F1>
<EXPENSE-RATIO> 1.80<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class B only. All other data are fund level.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER> 014
<NAME> SELIGMAN CASH MANAGEMENT FUND CLASS D
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1997
<PERIOD-END> JUN-30-1997
<INVESTMENTS-AT-COST> 224957
<INVESTMENTS-AT-VALUE> 224957
<RECEIVABLES> 8465
<ASSETS-OTHER> 375
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 233797
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 4105
<TOTAL-LIABILITIES> 4105
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 229697
<SHARES-COMMON-STOCK> 25352<F1>
<SHARES-COMMON-PRIOR> 22309<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (5)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 25352<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 626<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (206)<F1>
<NET-INVESTMENT-INCOME> 420<F1>
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 420<F1>
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (420)<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 170380<F1>
<NUMBER-OF-SHARES-REDEEMED> (167640)<F1>
<SHARES-REINVESTED> 303<F1>
<NET-CHANGE-IN-ASSETS> 3043<F1>
<ACCUMULATED-NII-PRIOR> (5)<F1>
<ACCUMULATED-GAINS-PRIOR> 0<F1>
<OVERDISTRIB-NII-PRIOR> 0<F1>
<OVERDIST-NET-GAINS-PRIOR> 0<F1>
<GROSS-ADVISORY-FEES> 46<F1>
<INTEREST-EXPENSE> 0<F1>
<GROSS-EXPENSE> 206<F1>
<AVERAGE-NET-ASSETS> 23154<F1>
<PER-SHARE-NAV-BEGIN> 1.00<F1>
<PER-SHARE-NII> .018<F1>
<PER-SHARE-GAIN-APPREC> 0<F1>
<PER-SHARE-DIVIDEND> (.018)<F1>
<PER-SHARE-DISTRIBUTIONS> 0<F1>
<RETURNS-OF-CAPITAL> 0<F1>
<PER-SHARE-NAV-END> 1.00<F1>
<EXPENSE-RATIO> 1.80<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class D only. All other data are fund level.
</FN>
</TABLE>
