<PAGE> PAGE 1
000 A000000 06/30/96
000 C000000 014358
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001 A000000 SELIGMAN COMMON STOCK FUND, INC.
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<PAGE> PAGE 2
012 C010001 NEW YORK
012 C020001 NY
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013 A000001 DELOITTE & TOUCHE LLP
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013 B030001 10281
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<PAGE> PAGE 3
020 B000009 13-3299429
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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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<PAGE> PAGE 7
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<PAGE> PAGE 8
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SIGNATURE THOMAS G. ROSE
TITLE TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER> 001
<NAME> SELIGMAN CAPITAL FUND, INC. CLASS A
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1996
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 182625
<INVESTMENTS-AT-VALUE> 256332
<RECEIVABLES> 6243
<ASSETS-OTHER> 659
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 263234
<PAYABLE-FOR-SECURITIES> 1190
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 568
<TOTAL-LIABILITIES> 1758
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 158082
<SHARES-COMMON-STOCK> 13615<F1>
<SHARES-COMMON-PRIOR> 13839<F1>
<ACCUMULATED-NII-CURRENT> (598)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 30285
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 73707
<NET-ASSETS> 244947<F1>
<DIVIDEND-INCOME> 576<F1>
<INTEREST-INCOME> 129<F1>
<OTHER-INCOME> 27<F1>
<EXPENSES-NET> (1171)<F1>
<NET-INVESTMENT-INCOME> (439)<F1>
<REALIZED-GAINS-CURRENT> 23739
<APPREC-INCREASE-CURRENT> 10322
<NET-CHANGE-FROM-OPS> 33553
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2513<F1>
<NUMBER-OF-SHARES-REDEEMED> (2737)<F1>
<SHARES-REINVESTED> 0<F1>
<NET-CHANGE-IN-ASSETS> 36650
<ACCUMULATED-NII-PRIOR> (90)
<ACCUMULATED-GAINS-PRIOR> 6546
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 567<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1171<F1>
<AVERAGE-NET-ASSETS> 229891<F1>
<PER-SHARE-NAV-BEGIN> 15.59<F1>
<PER-SHARE-NII> (0.04)<F1>
<PER-SHARE-GAIN-APPREC> 2.44<F1>
<PER-SHARE-DIVIDEND> 0<F1>
<PER-SHARE-DISTRIBUTIONS> 0<F1>
<RETURNS-OF-CAPITAL> 0<F1>
<PER-SHARE-NAV-END> 17.99<F1>
<EXPENSE-RATIO> 1.02<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> 002
<NAME> SELIGMAN CAPITAL FUND, INC. CLASS B
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1996
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 182625
<INVESTMENTS-AT-VALUE> 256332
<RECEIVABLES> 6243
<ASSETS-OTHER> 659
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 263234
<PAYABLE-FOR-SECURITIES> 1190
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 568
<TOTAL-LIABILITIES> 1758
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 158082
<SHARES-COMMON-STOCK> 68<F1>
<SHARES-COMMON-PRIOR> 0<F1>
<ACCUMULATED-NII-CURRENT> (598)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 30285
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 73707
<NET-ASSETS> 1160<F1>
<DIVIDEND-INCOME> 0<F1>
<INTEREST-INCOME> 0<F1>
<OTHER-INCOME> 0<F1>
<EXPENSES-NET> (1)<F1>
<NET-INVESTMENT-INCOME> (1)<F1>
<REALIZED-GAINS-CURRENT> 23739
<APPREC-INCREASE-CURRENT> 10322
<NET-CHANGE-FROM-OPS> 33553
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 68<F1>
<NUMBER-OF-SHARES-REDEEMED> 0<F1>
<SHARES-REINVESTED> 0<F1>
<NET-CHANGE-IN-ASSETS> 36650
<ACCUMULATED-NII-PRIOR> (90)
<ACCUMULATED-GAINS-PRIOR> 6546
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 0<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1<F1>
<AVERAGE-NET-ASSETS> 336<F1>
<PER-SHARE-NAV-BEGIN> 16.43<F1>
<PER-SHARE-NII> (0.02)<F1>
<PER-SHARE-GAIN-APPREC> 0.77<F1>
<PER-SHARE-DIVIDEND> 0<F1>
<PER-SHARE-DISTRIBUTIONS> 0<F1>
<RETURNS-OF-CAPITAL> 0<F1>
<PER-SHARE-NAV-END> 17.18<F1>
<EXPENSE-RATIO> 1.74<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> 004
<NAME> SELIGMAN CAPITAL FUND, INC. CLASS D
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1996
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 182625
<INVESTMENTS-AT-VALUE> 256332
<RECEIVABLES> 6243
<ASSETS-OTHER> 659
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 263234
<PAYABLE-FOR-SECURITIES> 1190
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 568
<TOTAL-LIABILITIES> 1758
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 158082
<SHARES-COMMON-STOCK> 895<F1>
<SHARES-COMMON-PRIOR> 612<F1>
<ACCUMULATED-NII-CURRENT> (598)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 30285
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 73707
<NET-ASSETS> 15369<F1>
<DIVIDEND-INCOME> 30<F1>
<INTEREST-INCOME> 6<F1>
<OTHER-INCOME> 2<F1>
<EXPENSES-NET> (106)<F1>
<NET-INVESTMENT-INCOME> (68)<F1>
<REALIZED-GAINS-CURRENT> 23739
<APPREC-INCREASE-CURRENT> 10322
<NET-CHANGE-FROM-OPS> 33553
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 511<F1>
<NUMBER-OF-SHARES-REDEEMED> (228)<F1>
<SHARES-REINVESTED> 0<F1>
<NET-CHANGE-IN-ASSETS> 36650
<ACCUMULATED-NII-PRIOR> (90)
<ACCUMULATED-GAINS-PRIOR> 6546
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 29<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 106<F1>
<AVERAGE-NET-ASSETS> 11861<F1>
<PER-SHARE-NAV-BEGIN> 14.94<F1>
<PER-SHARE-NII> (0.09)<F1>
<PER-SHARE-GAIN-APPREC> 2.33<F1>
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<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class D only. All other data are fund level.
</FN>
</TABLE>