PAGE  1
000 B000000 10/31/2005
000 C000000 0000009521
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 BANCROFT CONVERTIBLE FUND, INC.
001 B000000 811-2151
001 C000000 9736311177
002 A000000 65 MADISON AVENUE, SUITE 550
002 B000000 MORRISTOWN
002 C000000 NJ
002 D010000 07960
002 D020000 7308
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 DAVIS-DINSMORE MANAGEMENT COMPANY
008 B000001 A
008 C000001 801-08123
008 D010001 MORRISTOWN
008 D020001 NJ
008 D030001 07960
008 D040001 7308
012 A000001 AMERICAN STOCK TRANSFER & TRUST COMPANY
012 B000001 84-416
012 C010001 BROOKLYN
012 C020001 NY
012 C030001 11219
013 A000001 TAIT, WELLER & BAKER
013 B010001 PHILADELPHIA
013 B020001 PA
013 B030001 19103
015 A000001 BROWN BROTHERS HARRIMAN & CO.
015 B000001 C
      PAGE  2
015 C010001 BOSTON
015 C020001 MA
015 C030001 02109
015 C040001 3661
015 E010001 X
018  000000 Y
019 A000000 N
019 B000000    0
020 A000001 CITIGROUP GLOBAL MARKETS
020 B000001 13-1912900
020 C000001      7
020 A000002 KBC FINANCIAL PRODUCTS
020 B000002 13-4083415
020 C000002      7
020 A000003 LEHMAN BROTHERS, INC.
020 B000003 12-2518466
020 C000003      5
020 A000004 MORGAN STANLEY & CO., INC.
020 B000004 13-2655998
020 C000004      5
020 A000005 BANC OF AMERICA
020 B000005 56-2058405
020 C000005      3
020 A000006 JP MORGAN SECURITIES, INC.
020 B000006 13-3224016
020 C000006      3
020 A000007 GOLDMAN, SACHS & CO., INC.
020 B000007 13-5108880
020 C000007      2
020 A000008 MERRILL LYNCH, PIERCE, FENNER & SMITH, INC.
020 B000008 13-5674085
020 C000008      2
020 A000009 JEFFERIES & CO., INC.
020 B000009 95-2622900
020 C000009      1
020 A000010 J. GIORDANO SECURITES
020 B000010 06-1569801
020 C000010      1
021  000000       37
022 A000001 AMERICAN EXPRESS CREDIT CORP.
022 B000001 11-1988350
022 C000001    685006
022 D000001         0
022 A000002 MERRILL LYNCH, PIERCE, FENNER, & SMITH, INC.
022 B000002 13-5674085
022 C000002      9560
022 D000002      5789
022 A000003 CIBC OPPENHEIMER CORP.
022 B000003 13-2798343
022 C000003      7460
022 D000003      6813
      PAGE  3
022 A000004 JEFFERIES & CO., INC.
022 B000004 95-2622900
022 C000004      6564
022 D000004      7348
022 A000005 CITIGROUP GLOBAL MARKETS
022 B000005 13-1912900
022 C000005      9089
022 D000005      4612
022 A000006 CREDIT SUISSE FIRST BOSTON CORP.
022 B000006 13-5659485
022 C000006      8980
022 D000006      2581
022 A000007 LEHMAN BROTHERS, INC.
022 B000007 12-2518466
022 C000007     10604
022 D000007       910
022 A000008 MORGAN STANLEY & CO., INC.
022 B000008 13-2655998
022 C000008      5945
022 D000008      5036
022 A000009 JP MORGAN SECURITIES, INC.
022 B000009 13-3224016
022 C000009      5346
022 D000009      4679
022 A000010 DEUTSCHE BANK ALEX BROWN, INC.
022 B000010 13-2730828
022 C000010      4742
022 D000010      4645
023 C000000     767548
023 D000000      74839
024  000000 Y
025 A000001 CITIGROUP GLOBAL MARKETS
025 B000001 13-1912900
025 C000001 E
025 D000001    2330
025 A000002 MORGAN STANLEY & CO., INC.
025 B000002 13-2655998
025 C000002 E
025 D000002    1625
025 A000003 MERRILL LYNCH, PIERCE, FENNER & SMITH, INC.
025 B000003 13-5674085
025 C000003 E
025 D000003    1150
025 A000004 LEHMAN BROTHERS, INC.
025 B000004 12-2518466
025 C000004 E
025 D000004    1044
025 A000005 LEHMAN BROTHERS, INC.
025 B000005 12-2518466
025 C000005 D
025 D000005    1853
      PAGE  4
025 A000006 CITIGROUP GLOBAL MARKETS
025 B000006 13-1912900
025 C000006 D
025 D000006    1852
025 A000007 BEAR, STEARNS & CO., INC.
025 B000007 13-3299429
025 C000007 D
025 D000007     849
025 D000008       0
026 A000000 N
026 B000000 Y
026 C000000 Y
026 D000000 Y
026 E000000 N
026 F000000 N
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
      PAGE  5
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
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 Y
048  000000  0.000
048 A010000   100000
048 A020000 0.750
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   100000
048 K020000 0.500
049  000000 N
050  000000 N
051  000000 N
052  000000 N
053 A000000 N
054 A000000 Y
054 B000000 Y
054 C000000 Y
      PAGE  6
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
054 N000000 N
054 O000000 Y
055 A000000 N
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 Y
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   4.1
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  52.3
062 Q000000   0.0
062 R000000  42.0
063 A000000   0
063 B000000  1.9
064 A000000 Y
064 B000000 N
066 A000000 Y
066 B000000 N
066 C000000 N
066 D000000 N
066 E000000 Y
066 F000000 N
066 G000000 N
067  000000 N
      PAGE  7
068 A000000 N
068 B000000 N
069  000000 N
070 A010000 Y
070 A020000 N
070 B010000 Y
070 B020000 N
070 C010000 Y
070 C020000 N
070 D010000 Y
070 D020000 N
070 E010000 N
070 E020000 N
070 F010000 N
070 F020000 N
070 G010000 N
070 G020000 N
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 N
070 M020000 N
070 N010000 Y
070 N020000 N
070 O010000 Y
070 O020000 N
070 P010000 N
070 P020000 N
070 Q010000 N
070 Q020000 N
070 R010000 Y
070 R020000 N
071 A000000     92750
071 B000000     93097
071 C000000    107744
071 D000000   86
072 A000000 12
072 B000000     2587
072 C000000     2400
072 D000000        0
072 E000000        0
072 F000000      834
072 G000000        0
072 H000000        0
      PAGE  8
072 I000000       26
072 J000000       22
072 K000000        1
072 L000000       16
072 M000000      129
072 N000000        0
072 O000000       33
072 P000000        0
072 Q000000        0
072 R000000       33
072 S000000      145
072 T000000        0
072 U000000        0
072 V000000        0
072 W000000      180
072 X000000     1419
072 Y000000        0
072 Z000000     3569
072AA000000      415
072BB000000        0
072CC010000     3577
072CC020000        0
072DD010000     3895
072DD020000        0
072EE000000        0
073 A010000   0.6980
073 A020000   0.0000
073 B000000   0.0000
073 C000000   0.0000
074 A000000       51
074 B000000        0
074 C000000     4809
074 D000000    61484
074 E000000    49432
074 F000000        0
074 G000000        0
074 H000000        0
074 I000000        0
074 J000000     1463
074 K000000        0
074 L000000      724
074 M000000       32
074 N000000   117995
074 O000000      304
074 P000000        9
074 Q000000        0
074 R010000        0
074 R020000        0
074 R030000        0
074 R040000       60
074 S000000        0
      PAGE  9
074 T000000   117622
074 U010000     5588
074 U020000        0
074 V010000    21.05
074 V020000     0.00
074 W000000   0.0000
074 X000000     1563
074 Y000000        0
075 A000000        0
075 B000000   116443
076  000000    17.77
077 A000000 Y
077 B000000 Y
077 Q010000 N
078  000000 N
080 A000000 ICI MUTUAL INSURANCE COMPANY
080 C000000     1050
081 A000000 Y
081 B000000   2
082 A000000 Y
082 B000000      100
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      0
086 B020000      0
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 05-9695106
087 A030000 BCV
088 A000000 N
088 B000000 N
088 C000000 N
088 D000000 N
SIGNATURE   GARY I. LEVINE                               
TITLE       EXECUTIVE VP