<PAGE> PAGE 1
000 A000000 06/30/96
000 C000000 0000872604
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0.a
000 J000000 A
001 A000000 THE BLACKROCK 1998 TERM TRUST INC.
001 B000000 811-6284
001 C000000 2122142185
002 A000000 199 WATER STREET
002 B000000 NEW YORK
002 C000000 NY
002 D010000 11292
003 000000 N
004 000000 N
005 000000 N
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007 C010700 7
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008 A000001 BLACKROCK FINANCIAL MANAGEMENT, INC.
008 B000001 A
008 C000001 801-32183
008 D010001 NEW YORK
008 D020001 NY
008 D030001 10154
010 A000001 PRUDENTIAL MUTUAL FUND MANAGEMENT, INC.
010 B000001 811-31104
010 C010001 NEW YORK
010 C020001 NY
010 C030001 10292
011 A000001 PRUDENTIAL SECURITIES INCORPORATED
011 B000001 8-27154
011 C010001 NEW YORK
011 C020001 NY
011 C030001 10292
011 A000002 KIDDER PEABODY & CO.
011 B000002 8-4831
011 C010002 NEW YORK
<PAGE> PAGE 2
011 C020002 NY
011 C030002 10005
011 A000003 PAINEWEBBER INC.
011 B000003 8-16267
011 C010003 NEW YORK
011 C020003 NY
011 C030003 10019
011 A000004 MORGAN KEEGAN & CO. INC.
011 B000004 8-15001
011 C010004 MEMPHIS
011 C020004 TN
011 C030004 38103
011 A000005 ADVEST, INC.
011 B000005 8-21409
011 C010005 HARTFORD
011 C020005 CT
011 C030005 06103
011 A000006 GRUNTAL & CO., INCORPORATED
011 B000006 8-31022
011 C010006 NEW YORK
011 C020006 NY
011 C030006 10005
011 A000007 CROWELL WEEDON & CO.
011 B000007 8-3710
011 C010007 LOS ANGELES
011 C020007 CA
011 C030007 90017
012 A000001 STATE STREET BANK & TRUST COMPANY
012 B000001 84-0000000
012 C010001 NORTH QUINCY
012 C020001 MA
012 C030001 02171
013 A000001 DELOITTE & TOUCHE LLP
013 B010001 NEW YORK
013 B020001 NY
013 B030001 10281
013 B040001 1434
014 A000001 DELETE
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015 C030001 02171
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020 A000001 MERRILL LYNCH, PIERCE, FENNER & SMITH INC.
020 B000001 13-5674085
020 C000001 3
<PAGE> PAGE 3
020 C000002 0
020 C000003 0
020 C000004 0
020 C000005 0
020 C000006 0
020 C000007 0
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022 A000001 NIKKO SECURITIES CO. INTERNATIONAL, INC.
022 B000001 94-1302123
022 C000001 629618
022 D000001 212948
022 A000002 LEHMAN BROTHERS, INC.
022 B000002 13-2518466
022 C000002 287037
022 D000002 122580
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022 B000003 13-1912900
022 C000003 141054
022 D000003 212103
022 A000004 SALOMON BROTHERS, INC.
022 B000004 13-3082694
022 C000004 61712
022 D000004 183575
022 A000005 BEAR, STEARNS & CO., INC.
022 B000005 13-3299429
022 C000005 113458
022 D000005 13895
022 A000006 MERRILL LYNCH, PIERCE, FENNER & SMITH, INC.
022 B000006 13-5674085
022 C000006 8595
022 D000006 116688
022 A000007 UBS SECURITIES, INC.
022 B000007 13-2932996
022 C000007 86227
022 D000007 2107
022 A000008 GOLDMAN, SACHS & CO.
022 B000008 13-5108880
022 C000008 61473
022 D000008 22471
022 A000009 LANSTON (AUBREY G.) & CO.
022 B000009 13-5552129
022 C000009 74334
022 D000009 0
022 A000010 PRUDENTIAL SECURITIES, INC.
022 B000010 22-2347336
022 C000010 45249
022 D000010 25236
023 C000000 1508757
<PAGE> PAGE 4
023 D000000 911603
024 000000 Y
025 A000001 SALOMON BROTHERS, INC.
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025 D000002 9932
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025 C000003 D
025 D000003 9786
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025 B000004 13-2518466
025 C000004 D
025 D000004 9746
025 A000005 MERRILL LYNCH, PIERCE, FENNER & SMITH, INC.
025 B000005 13-5674085
025 C000005 D
025 D000005 2044
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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 9
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<PAGE> PAGE 10
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SIGNATURE HENRY GABBAY
TITLE TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000872604
<NAME> THE BLACKROCK 1998 TERM TRUST INC.
<SERIES>
<NUMBER> 001
<NAME> THE BLACKROCK 1998 TERM TRUST INC.
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 832,474,761
<INVESTMENTS-AT-VALUE> 823,978,705
<RECEIVABLES> 16,561,879
<ASSETS-OTHER> 27,262,692
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 867,803,276
<PAYABLE-FOR-SECURITIES> 2,258,055
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 293,282,116
<TOTAL-LIABILITIES> 295,540,171
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 554,114,999
<SHARES-COMMON-STOCK> 58,660,527
<SHARES-COMMON-PRIOR> 58,660,527
<ACCUMULATED-NII-CURRENT> 26,072,749
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 686,585
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (8,611,228)
<NET-ASSETS> 572,263,105
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 18,674,258
<OTHER-INCOME> 0
<EXPENSES-NET> 2,226,012
<NET-INVESTMENT-INCOME> 16,448,246
<REALIZED-GAINS-CURRENT> (112,290)
<APPREC-INCREASE-CURRENT> (6,271,464)
<NET-CHANGE-FROM-OPS> 10,064,492
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (12,221,805)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> (2,157,313)
<ACCUMULATED-NII-PRIOR> 21,846,308
<ACCUMULATED-GAINS-PRIOR> 798,875
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,433,017
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2,226,012
<AVERAGE-NET-ASSETS> 573,155,000
<PER-SHARE-NAV-BEGIN> 9.79
<PER-SHARE-NII> 0.28
<PER-SHARE-GAIN-APPREC> (0.10)
<PER-SHARE-DIVIDEND> (0.21)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 9.76
<EXPENSE-RATIO> 0.68
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0.00
</TABLE>
For period ending (a) June 30, 1996
File number 811-6284
SUB-ITEM 77C
Submission of Matters to a Vote of Security Holders
The Annual Meeting of Stockholders was held on
May 8, 1996. At such meeting the Stockholders
elected Directors and ratified the selection of
independent accountants and voted as follows on a
proposal to modify the Trust's investment
restriction on investing for the purpose of
exercising control over the management of a
company:
Affirmative Negative
votes cast votes cast
27,220,300 966,690
[nsar]br-595.shv[bbt]
