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<PAGE> PAGE 2
012 C03AA01 10017
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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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<PAGE> PAGE 10
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<PAGE> PAGE 11
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<PAGE> PAGE 12
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<PAGE> PAGE 13
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SIGNATURE THOMAS G. ROSE
TITLE TREASURER
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
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<NAME> SELIGMAN FRONTIER FUND, INC.-CLASS A
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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
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<NAME> SELIGMAN FRONTIER FUND, INC.-CLASS B
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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
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<PER-SHARE-NAV-BEGIN> 12.32<F1>
<PER-SHARE-NII> (0.02)<F1>
<PER-SHARE-GAIN-APPREC> (0.27)<F1>
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 12.03<F1>
<EXPENSE-RATIO> 2.52<F1>
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
<FN>
<F1>Class C only. All other data are fund level.
</FN>
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER> 004
<NAME> SELIGMAN FRONTIER FUND, INC.-CLASS D
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 1-MO
<FISCAL-YEAR-END> OCT-31-1999
<PERIOD-END> OCT-31-1999
<INVESTMENTS-AT-COST> 355986
<INVESTMENTS-AT-VALUE> 372069
<RECEIVABLES> 6291
<ASSETS-OTHER> 30
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 378390
<PAYABLE-FOR-SECURITIES> 3918
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 5363
<TOTAL-LIABILITIES> 9281
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 354654
<SHARES-COMMON-STOCK> 10300<F1>
<SHARES-COMMON-PRIOR> 11049<F1>
<ACCUMULATED-NII-CURRENT> (58)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (1569)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 16082
<NET-ASSETS> 123955<F1>
<DIVIDEND-INCOME> 7<F1>
<INTEREST-INCOME> 7<F1>
<OTHER-INCOME> 0<F1>
<EXPENSES-NET> (265)<F1>
<NET-INVESTMENT-INCOME> (251)<F1>
<REALIZED-GAINS-CURRENT> 586
<APPREC-INCREASE-CURRENT> (9286)
<NET-CHANGE-FROM-OPS> (9318)
<EQUALIZATION> (603)
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 3450<F1>
<NUMBER-OF-SHARES-REDEEMED> (4199)<F1>
<SHARES-REINVESTED> 0<F1>
<NET-CHANGE-IN-ASSETS> (29211)
<ACCUMULATED-NII-PRIOR> (56)
<ACCUMULATED-GAINS-PRIOR> (935)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 100<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 265<F1>
<AVERAGE-NET-ASSETS> 124453<F1>
<PER-SHARE-NAV-BEGIN> 12.32<F1>
<PER-SHARE-NII> (0.02)<F1>
<PER-SHARE-GAIN-APPREC> (0.27)<F1>
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 12.03<F1>
<EXPENSE-RATIO> 2.52<F1>
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
<FN>
<F1>Class D only. All other data are fund level.
</FN>
</TABLE>
REPORT OF INDEPENDENT AUDITORS
THE BOARD OF DIRECTORS AND SHAREHOLDERS,
SELIGMAN FRONTIER FUND, INC.:
We have audited the accompanying statements of assets and liabilities, including
the portfolios of investments, of Seligman Frontier Fund, Inc. as of October 31,
1999 and September 30, 1999, the related statements of operations for the one
month ended October 31, 1999 and the year ended September 30, 1999 and of
changes in net assets for the one month ended October 31, 1999 and for each of
the years in the two-year period ended September 30, 1999, and the financial
highlights for each of the periods presented. These financial statements and
financial highlights are the responsibility of the Fund's management. Our
responsibility is to express an opinion on these financial statements and
financial highlights based on our audits.
We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements and financial
highlights are free of material misstatement. An audit includes examining, on a
test basis, evidence supporting the amounts and disclosures in the financial
statements. Our procedures included confirmation of securities owned as of
October 31, 1999 and September 30, 1999, by correspondence with the Fund's
custodian and brokers; where replies were not received from brokers we performed
other auditing procedures. An audit also includes assessing the accounting
principles used and significant estimates made by management, as well as
evaluating the overall financial statement presentation. We believe that our
audits provide a reasonable basis for our opinion.
In our opinion, such financial statements and financial highlights referred to
above present fairly, in all material respects, the financial position of
Seligman Frontier Fund, Inc. as of October 31, 1999 and September 30, 1999, the
results of its operations, the changes in its net assets, and the financial
highlights for each of the stated periods, all in conformity with generally
accepted accounting principles.
DELOITTE & TOUCHE LLP
New York, New York
November 19, 1999
