CVF Bank of America Corp. Spx Capped Leveraged Index Return Notes

000 A000000 04/30/2008
000 C000000 0000018180
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 U
001 A000000 CASTLE CONVERTIBLE FUND, INC.
001 B000000 811-2213
001 C000000 2128068800
002 A000000 111 FIFTH AVE
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10003
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
015 A000001 BROWN BROTHERS HARRIMAN
015 B000001 C
015 C010001 BOSTON
015 C020001 MA
015 C030001 02109
015 C040001 3661
015 E010001 X
020 A000001 CITIGROUP GLOBAL MARKETS
020 B000001 11-2418191
020 C000001 8
020 A000002 LEHMAN BROTHERS
020 B000002 13-2518466
020 C000002 8
020 C000003 0
020 C000004 0
020 C000005 0
020 C000006 0
020 C000007 0
020 C000008 0
020 C000009 0
020 C000010 0
021 000000 16
022 A000001 MERRILL LYNCH PIERCE FENNER & SMITH INC
022 B000001 13-5674085
022 C000001 102463
022 D000001 2187
022 A000002 LEHMAN BROTHERS INC.
022 B000002 13-2518466
022 C000002 5608

022 D000002 8224
022 A000003 MILLER TABAK ROBERTS
022 B000003 13-4036836
022 C000003 0
022 D000003 7112
022 A000004 BEAR STEARNS & CO.
022 B000004 13-3299429
022 C000004 2705
022 D000004 1931
022 A000005 CITIGROUP GLOBAL MARKETS
022 B000005 11-2418191
022 C000005 2298
022 D000005 1709
022 A000006 GOLDMAN SACHS
022 B000006 13-5108880
022 C000006 2500
022 D000006 0
022 A000007 JP MORGABN SECURITIES INC.
022 B000007 13-3224016
022 C000007 2500
022 D000007 0
022 A000008 PIPER JAFFRAY
022 B000008 41-0953246
022 C000008 2000
022 D000008 0
022 A000009 JEFFERIES & CO.
022 B000009 95-2622900
022 C000009 1254
022 D000009 0
022 A000010 CS FIRST BOSTON CORP.
022 B000010 13-5659485
022 C000010 1000
022 D000010 0
023 C000000 123829
023 D000000 22560
024 000000 Y
025 A000001 LEHMAN BROTHERS HOLDINGS INC.
025 B000001 13-2518466
025 C000001 E
025 D000001 1224
025 A000002 BANK OF AMERICA
025 B000002 56-2058405
025 C000002 E
025 D000002 1098
025 A000003 MERRILL LYNCH & CO, INC.
025 B000003 13-5674085
025 C000003 E
025 D000003 750
025 A000004 CITIGROUP INC.
025 B000004 11-2418191
025 C000004 D

025 D000004 684
025 A000005 CITIGROUP INC.
025 B000005 11-2418191
025 C000005 E
025 D000005 507
025 A000006 JP MORGAN CHASE & CO.
025 B000006 13-3224016
025 C000006 E
025 D000006 477
025 D000007 0
025 D000008 0
055 A000000 N
055 B000000 N
056 000000 Y
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 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 64.8
062 Q000000 0.0
062 R000000 34.8
063 A000000 0
063 B000000 6.0
064 A000000 N
064 B000000 N
066 A000000 N
067 000000 N
068 A000000 N
068 B000000 N
069 000000 N
070 A010000 Y
070 A020000 N
070 B010000 N
070 B020000 N

070 C010000 N
070 C020000 N
070 D010000 N
070 D020000 N
070 E010000 N
070 E020000 N
070 F010000 N
070 F020000 N
070 G010000 N
070 G020000 N
070 H010000 N
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 N
070 M010000 N
070 M020000 N
070 N010000 N
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 29972
071 B000000 32495
071 C000000 56055
071 D000000 54
072 A000000 6
072 B000000 524
072 C000000 475
072 D000000 0
072 E000000 0
072 F000000 211
072 G000000 9
072 H000000 0
072 I000000 9
072 J000000 6
072 K000000 0
072 L000000 47
072 M000000 6
072 N000000 0
072 O000000 8

072 P000000 0
072 Q000000 0
072 R000000 28
072 S000000 6
072 T000000 0
072 U000000 0
072 V000000 0
072 W000000 17
072 X000000 347
072 Y000000 0
072 Z000000 652
072AA000000 1524
072BB000000 2795
072CC010000 0
072CC020000 2798
072DD010000 380
072DD020000 0
072EE000000 4722
073 A010000 0.5100
073 A020000 0.0000
073 B000000 1.7700
073 C000000 0.0000
074 A000000 0
074 B000000 0
074 C000000 0
074 D000000 35722
074 E000000 14269
074 F000000 4914
074 G000000 0
074 H000000 0
074 I000000 0
074 J000000 999
074 K000000 0
074 L000000 339
074 M000000 59
074 N000000 56302
074 O000000 1049
074 P000000 2
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 147
074 S000000 0
074 T000000 55104
074 U010000 2236
074 U020000 0
074 V010000 24.64
074 V020000 0.00
074 W000000 0.0000
074 X000000 528

074 Y000000 0
075 A000000 0
075 B000000 57050
076 000000 21.93
077 A000000 N
078 000000 N
080 A000000 VIGILANT INSURANCE CO.
080 C000000 6850
081 A000000 Y
081 B000000 24
082 A000000 N
082 B000000 0
SIGNATURE MICHAEL D. MARTINS
TITLE TREASURER