<PAGE> PAGE 1
000 B000000 12/31/97
000 C000000 845611
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 GABELLI CONVERTIBLE SECURITIES FUND, INC.
001 B000000 811-5715
001 C000000 8004223554
002 A000000 ONE CORPORATE CENTER
002 B000000 RYE
002 C000000 NY
002 D010000 10580
002 D020000 1434
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
007 C010100 1
007 C010200 2
007 C010300 3
007 C010400 4
007 C010500 5
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
008 A000001 GABELLI FUNDS, INC.
008 B000001 A
008 C000001 801-37706
008 D010001 RYE
008 D020001 NY
008 D030001 10580
008 D040001 1434
010 A000001 GABELLI FUNDS, INC.
010 C010001 RYE
010 C020001 NY
010 C030001 10580
010 C040001 1434
010 A000002 BISYS FUND SERVICES L.P.
010 C010002 COLUMBUS
010 C020002 OH
010 C030002 43219
012 A000001 STATE STREET BANK & TRUST COMPANY
012 B000001 85-05003
<PAGE> PAGE 2
012 C010001 BOSTON
012 C020001 MA
012 C030001 02171
013 A000001 PRICE WATERHOUSE LLP
013 B010001 NEW YORK
013 B020001 NY
013 B030001 10036
014 A000001 GABELLI & COMPANY, INC.
014 B000001 8-21373
014 A000002 IFG NETWORK SECURITIES
014 B000002 8-37937
014 A000003 KEELEY INVESTMENT CORP.
014 B000003 8-20353
015 A000001 STATE STREET BANK & TRUST COMPANY
015 B000001 C
015 C010001 BOSTON
015 C020001 MA
015 C030001 02171
015 E010001 X
018 000000 Y
019 A000000 Y
019 B000000 16
019 C000000 GABELLIGRP
020 A000001 GABELLI & COMPANY, INC.
020 B000001 13-2885006
020 C000001 60
020 A000002 ALLEN & CO., INC
020 B000002 13-6176976
020 C000002 24
020 A000003 MERRILL LYNCH & CO., INC.
020 B000003 13-5674085
020 C000003 14
020 A000004 EVEREN SECURITIES
020 B000004 34-1542819
020 C000004 13
020 A000005 ASIEL & CO., INC
020 B000005 13-3618919
020 C000005 6
020 A000006 PAINEWEBBER & CO., INC
020 B000006 13-2638166
020 C000006 5
020 A000007 LEHMAN BROTHERS INC.
020 B000007 13-2518466
020 C000007 4
020 A000008 SALOMON BROTHERS, INC.
020 B000008 13-3082694
020 C000008 4
020 A000009 J.P. MORGAN SECURITIES, INC.
020 B000009 13-3224016
020 C000009 3
020 A000010 EDWARD (A.G.) & SONS, INC.
<PAGE> PAGE 3
020 C000010 3
021 000000 192
022 A000001 HSBC SECURITIES INC.
022 B000001 13-2650272
022 C000001 366968
022 D000001 107264
022 A000002 STATE STREET BANK AND TRUST CO.
022 B000002 04-1867445
022 C000002 45089
022 D000002 4
022 A000003 ABN AMRO SECURITIES, INC.
022 B000003 13-3227945
022 C000003 24124
022 D000003 10937
022 A000004 GABELLI & CO., INC
022 B000004 13-2885006
022 C000004 2447
022 D000004 544
022 A000005 MORGAN STANELY & CO., INC.
022 B000005 13-2655998
022 C000005 2342
022 D000005 0
022 A000006 SHERWOOD SECURITIES CORP.
022 C000006 1521
022 D000006 203
022 A000007 SMITH BARNEY, INC.
022 B000007 13-1912900
022 C000007 843
022 D000007 546
022 A000008 DONALDSON, LUFKIN & JENRETTE SEC
022 B000008 13-2741729
022 C000008 1229
022 D000008 55
022 A000009 PRUDENTIAL-BACH SECURITIES, INC.
022 C000009 944
022 D000009 0
022 A000010 ROBINSON HUMPHERY
022 C000010 939
022 D000010 0
023 C000000 450104
023 D000000 121001
024 000000 N
025 D000001 0
025 D000002 0
025 D000003 0
025 D000004 0
025 D000005 0
025 D000006 0
025 D000007 0
025 D000008 0
026 A000000 N
<PAGE> PAGE 4
026 B000000 Y
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 Y
026 G010000 N
026 G020000 N
026 H000000 N
027 000000 N
028 A010000 0
028 A020000 0
028 A030000 0
028 A040000 0
028 B010000 0
028 B020000 0
028 B030000 0
028 B040000 0
028 C010000 0
028 C020000 0
028 C030000 0
028 C040000 0
028 D010000 0
028 D020000 0
028 D030000 0
028 D040000 0
028 E010000 0
028 E020000 0
028 E030000 0
028 E040000 0
028 F010000 0
028 F020000 0
028 F030000 0
028 F040000 0
028 G010000 0
028 G020000 0
028 G030000 0
028 G040000 0
028 H000000 0
030 A000000 0
030 B000000 0.00
030 C000000 0.00
031 A000000 0
031 B000000 0
032 000000 0
033 000000 0
035 000000 0
036 B000000 0
038 000000 0
042 A000000 0
042 B000000 0
042 C000000 0
<PAGE> PAGE 5
042 D000000 0
042 E000000 0
042 F000000 0
042 G000000 0
042 H000000 0
043 000000 0
044 000000 0
045 000000 Y
046 000000 N
047 000000 N
048 000000 0.000
048 A010000 0
048 A020000 0.000
048 B010000 0
048 B020000 0.000
048 C010000 0
048 C020000 0.000
048 D010000 0
048 D020000 0.000
048 E010000 0
048 E020000 0.000
048 F010000 0
048 F020000 0.000
048 G010000 0
048 G020000 0.000
048 H010000 0
048 H020000 0.000
048 I010000 0
048 I020000 0.000
048 J010000 0
048 J020000 0.000
048 K010000 0
048 K020000 0.000
049 000000 N
050 000000 N
051 000000 Y
052 000000 N
053 A000000 N
054 A000000 Y
054 B000000 Y
054 C000000 Y
054 D000000 N
054 E000000 N
054 F000000 N
054 G000000 N
054 H000000 Y
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 N
054 M000000 Y
<PAGE> PAGE 6
054 N000000 N
054 O000000 N
055 A000000 Y
055 B000000 N
056 000000 N
057 000000 N
058 A000000 N
059 000000 Y
060 A000000 Y
060 B000000 Y
061 000000 0
062 A000000 N
062 B000000 0.0
062 C000000 0.0
062 D000000 0.0
062 E000000 0.0
062 F000000 0.0
062 G000000 0.0
062 H000000 0.0
062 I000000 0.0
062 J000000 0.0
062 K000000 0.0
062 L000000 0.0
062 M000000 0.0
062 N000000 0.0
062 O000000 0.0
062 P000000 0.0
062 Q000000 0.0
062 R000000 0.0
063 A000000 0
063 B000000 0.0
066 A000000 Y
066 E000000 Y
067 000000 Y
068 A000000 N
068 B000000 N
069 000000 N
070 A010000 Y
070 A020000 Y
070 B010000 Y
070 B020000 N
070 C010000 Y
070 C020000 N
070 D010000 Y
070 D020000 N
070 E010000 Y
070 E020000 N
070 F010000 Y
070 F020000 Y
070 G010000 Y
070 G020000 N
<PAGE> PAGE 7
070 H010000 Y
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 Y
070 J020000 Y
070 K010000 Y
070 K020000 N
070 L010000 Y
070 L020000 Y
070 M010000 Y
070 M020000 Y
070 N010000 Y
070 N020000 N
070 O010000 Y
070 O020000 N
070 P010000 Y
070 P020000 Y
070 Q010000 N
070 Q020000 N
070 R010000 Y
070 R020000 N
071 A000000 154717
071 B000000 158690
071 C000000 63748
071 D000000 243
072 A000000 12
072 B000000 4278
072 C000000 1191
072 D000000 0
072 E000000 0
072 F000000 1117
072 G000000 0
072 H000000 0
072 I000000 114
072 J000000 37
072 K000000 0
072 L000000 112
072 M000000 70
072 N000000 1
072 O000000 0
072 P000000 0
072 Q000000 0
072 R000000 39
072 S000000 4
072 T000000 0
072 U000000 0
072 V000000 0
072 W000000 64
072 X000000 1558
072 Y000000 11
<PAGE> PAGE 8
072 Z000000 3922
072AA000000 5390
072BB000000 0
072CC010000 4526
072CC020000 0
072DD010000 3816
072DD020000 0
072EE000000 5400
073 A010000 0.4000
073 A020000 0.0000
073 B000000 0.5600
073 C000000 0.1900
074 A000000 3
074 B000000 0
074 C000000 59643
074 D000000 25910
074 E000000 18599
074 F000000 19970
074 G000000 0
074 H000000 0
074 I000000 0
074 J000000 985
074 K000000 0
074 L000000 511
074 M000000 0
074 N000000 125621
074 O000000 319
074 P000000 158
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 2762
074 S000000 0
074 T000000 122382
074 U010000 8048
074 U020000 0
074 V010000 11.48
074 V020000 0.00
074 W000000 0.0000
074 X000000 6795
074 Y000000 0
075 A000000 0
075 B000000 111624
076 000000 10.31
077 A000000 Y
077 B000000 Y
077 C000000 Y
077 Q010000 Y
078 000000 N
080 A000000 CONTINENTAL CASUALITY COMPANY
<PAGE> PAGE 9
080 C000000 12625
081 A000000 Y
081 B000000 14
082 A000000 N
082 B000000 0
083 A000000 N
083 B000000 0
084 A000000 N
084 B000000 0
085 A000000 Y
085 B000000 N
086 A010000 0
086 A020000 0
086 B010000 45
086 B020000 460
086 C010000 0
086 C020000 0
086 D010000 0
086 D020000 0
086 E010000 0
086 E020000 0
086 F010000 0
086 F020000 0
087 A010000 COMMON STOCK
087 A020000 36240B109
087 A030000 GCV
087 B010000 PREFERRED STOCK
087 B020000 36240B208
087 B030000 GCV
088 A000000 N
088 B000000 N
088 C000000 N
088 D000000 Y
SIGNATURE TRACIE PERSINGER
TITLE MANAGER
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000845611
<NAME> THE GABELLI CONVERTIBLE SECURITIES FUND, INC.
<SERIES>
<NUMBER> 01
<NAME> THE GABELLI CONVERTIBLE SECURITIES FUND, INC.
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1997
<PERIOD-START> JAN-01-1997
<PERIOD-END> DEC-31-1997
<INVESTMENTS-AT-COST> 114,872,726
<INVESTMENTS-AT-VALUE> 124,122,073
<RECEIVABLES> 1,490,038
<ASSETS-OTHER> 2,624
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 125,614,735
<PAYABLE-FOR-SECURITIES> 319,416
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 2,913,309
<TOTAL-LIABILITIES> 3,232,725
<SENIOR-EQUITY> 30,000,000
<PAID-IN-CAPITAL-COMMON> 83,375,040
<SHARES-COMMON-STOCK> 8,048,345
<SHARES-COMMON-PRIOR> 8,092,945
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 152,426
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 89,888
<ACCUM-APPREC-OR-DEPREC> 9,249,284
<NET-ASSETS> 122,382,010
<DIVIDEND-INCOME> 1,191,084
<INTEREST-INCOME> 4,277,973
<OTHER-INCOME> 0
<EXPENSES-NET> 1,546,680
<NET-INVESTMENT-INCOME> 3,922,377
<REALIZED-GAINS-CURRENT> 5,390,142
<APPREC-INCREASE-CURRENT> 4,526,049
<NET-CHANGE-FROM-OPS> 13,838,568
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 3,206,103
<DISTRIBUTIONS-OF-GAINS> 4,536,237
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 44,600
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 32,722,719
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 241,821
<OVERDIST-NET-GAINS-PRIOR> 64,030
<GROSS-ADVISORY-FEES> 1,117,059
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,546,680
<AVERAGE-NET-ASSETS> 111,623,569
<PER-SHARE-NAV-BEGIN> 11.08
<PER-SHARE-NII> 0.92
<PER-SHARE-GAIN-APPREC> 0.44
<PER-SHARE-DIVIDEND> 0.40
<PER-SHARE-DISTRIBUTIONS> 0.56
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 11.48
<EXPENSE-RATIO> 1.68
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
