<PAGE> PAGE 1
000 A000000 09/30/94
000 C000000 781880
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 2.2
000 J000000 A
001 A000000 LEGG MASON SPECIAL INVESTMENT TRUST, INC.
001 B000000 811-4451
001 C000000 4105390000
002 A000000 111 SOUTH CALVERT STREET
002 B000000 BALTIMORE
002 C000000 MD
002 D010000 21202
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
008 A000001 LEGG MASON FUND ADVISER, INC.
008 B000001 A
008 C000001 801-16958
008 D010001 BALTIMORE
008 D020001 MD
008 D030001 21202
010 A000001 LEGG MASON FUND ADVISER, INC.
010 B000001 801-16958
010 C010001 BALTIMORE
010 C020001 MD
010 C030001 21202
011 A000001 LEGG MASON WOOD WALKER, INCORPORATED
011 B000001 8-01-6767
011 C010001 BALTIMORE
011 C020001 MD
011 C030001 21202
012 A000001 BOSTON FINANCIAL DATA SERVICES, INC.
012 B000001 84-00896
012 C010001 BOSTON
012 C020001 MA
012 C030001 02105
013 A000001 COOPERS & LYBRAND
013 B010001 BALTIMORE
013 B020001 MD
013 B030001 21202
014 A000001 LEGG MASON WOOD WALKER, INCORPORATED
014 B000001 8-01-6767
015 A000001 STATE STREET BANK & TRUST COMPANY
015 B000001 C
<PAGE> PAGE 2
015 C010001 BOSTON
015 C020001 MA
015 C030001 02105
015 E010001 X
018 000000 Y
019 A000000 Y
019 B000000 14
019 C000000 LEGGMASONW
020 A000001 BEAR, STEARNS & CO. INC.
020 B000001 13-3299429
020 C000001 27
020 A000002 BRIDGE TRADING COMPANY
020 B000002 43-1450530
020 C000002 23
020 A000003 MORGAN STANLEY & CO. INCORPORATED
020 B000003 13-2655998
020 C000003 23
020 A000004 FIRST BOSTON CORPORATION (THE)
020 B000004 13-5659485
020 C000004 23
020 A000005 GOLDMAN, SACHS & CO.
020 B000005 13-5108880
020 C000005 22
020 A000006 SALOMON BROTHERS INC.
020 B000006 13-3082694
020 C000006 17
020 A000007 JEFFRIES & COMPANY, INC.
020 B000007 95-2622900
020 C000007 14
020 A000008 GENESIS MERCHANT GROUP SECURITIES
020 B000008 94-3082467
020 C000008 14
020 A000009 SMITH BARNEY SHEARSON
020 B000009 13-1912900
020 C000009 13
020 A000010 DONALDSON, LUFKIN & JENRETTE SECURITIES CORP
020 B000010 13-2741729
020 C000010 12
021 000000 322
022 A000001 SMITH BARNEY SHEARSON
022 B000001 13-1912900
022 C000001 2409262
022 D000001 0
022 A000002 PRUDENTIAL SECURITIES INCORPORATED
022 B000002 22-2347336
022 C000002 2041220
022 D000002 0
022 A000003 KIDDER, PEABODY & CO. INCORPORATED
022 B000003 13-5650440
022 C000003 366672
022 D000003 0
<PAGE> PAGE 3
022 A000004 MERRILL LYNCH, PIERCE, FENNER & SMITH INCORP.
022 B000004 13-5674085
022 C000004 258968
022 D000004 0
022 A000005 LEHMAN BROTHERS INC.
022 B000005 13-2518466
022 C000005 187105
022 D000005 0
022 A000006 FIRST BOSTON CORPORATION (THE)
022 B000006 13-5659485
022 C000006 21835
022 D000006 0
022 A000007 STATE STREET BANK AND TRUST COMPANY, N.A.
022 B000007 04-1867445
022 C000007 7325
022 D000007 4126
022 A000008 OPPENHEIMER & CO., INC.
022 B000008 13-2798343
022 C000008 3093
022 D000008 0
022 A000009 MONTGOMERY SECURITIES
022 B000009 94-1701676
022 C000009 2453
022 D000009 0
022 A000010 DAIN BOSWORTH INCORPORATED
022 B000010 41-0212020
022 C000010 0
022 D000010 1825
023 C000000 5306926
023 D000000 6882
024 000000 Y
025 A000001 THE BEAR STEARNS COMPANIES INC.
025 B000001 13-3299429
025 C000001 E
025 D000001 5880
025 A000002 PIPER JAFFRAY INCORPORATED
025 B000002 41-0953246
025 C000002 E
025 D000002 3822
025 D000003 0
025 D000004 0
025 D000005 0
025 D000006 0
025 D000007 0
025 D000008 0
026 A000000 N
026 B000000 Y
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 N
<PAGE> PAGE 4
026 G010000 N
026 G020000 N
026 H000000 N
027 000000 Y
028 A010000 42882
028 A020000 0
028 A030000 0
028 A040000 23519
028 B010000 44218
028 B020000 6263
028 B030000 0
028 B040000 27341
028 C010000 40700
028 C020000 3
028 C030000 0
028 C040000 28022
028 D010000 45658
028 D020000 7
028 D030000 0
028 D040000 20378
028 E010000 48122
028 E020000 2
028 E030000 0
028 E040000 26418
028 F010000 53273
028 F020000 0
028 F030000 0
028 F040000 47789
028 G010000 274853
028 G020000 6275
028 G030000 0
028 G040000 173467
028 H000000 0
029 000000 N
030 A000000 0
030 B000000 0.00
030 C000000 0.00
031 A000000 0
031 B000000 0
032 000000 0
033 000000 0
034 000000 N
035 000000 0
036 B000000 0
037 000000 N
038 000000 0
039 000000 N
040 000000 Y
041 000000 Y
042 A000000 0
042 B000000 0
<PAGE> PAGE 5
042 C000000 100
042 D000000 0
042 E000000 0
042 F000000 0
042 G000000 0
042 H000000 0
043 000000 2948
044 000000 0
045 000000 Y
046 000000 N
047 000000 Y
048 000000 0.000
048 A010000 100000
048 A020000 1.000
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 100000
048 K020000 0.750
049 000000 N
050 000000 N
051 000000 N
052 000000 N
053 A000000 N
054 A000000 Y
054 B000000 N
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
<PAGE> PAGE 6
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 1000
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 B000000 N
066 C000000 Y
066 D000000 N
066 E000000 N
066 F000000 N
066 G000000 N
067 000000 N
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
<PAGE> PAGE 7
070 E010000 Y
070 E020000 N
070 F010000 Y
070 F020000 N
070 G010000 Y
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 Y
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 N
070 R020000 N
071 A000000 121190
071 B000000 37967
071 C000000 563533
071 D000000 7
072 A000000 6
072 B000000 930
072 C000000 3410
072 D000000 0
072 E000000 0
072 F000000 2402
072 G000000 0
072 H000000 0
072 I000000 259
072 J000000 81
072 K000000 43
072 L000000 24
072 M000000 5
072 N000000 35
072 O000000 31
072 P000000 0
072 Q000000 0
072 R000000 11
072 S000000 22
<PAGE> PAGE 8
072 T000000 2948
072 U000000 0
072 V000000 0
072 W000000 13
072 X000000 5874
072 Y000000 6
072 Z000000 -1518
072AA000000 5769
072BB000000 0
072CC010000 0
072CC020000 20282
072DD010000 0
072DD020000 0
072EE000000 6356
073 A010000 0.0000
073 A020000 0.0000
073 B000000 0.2300
073 C000000 0.0000
074 A000000 0
074 B000000 33097
074 C000000 18977
074 D000000 0
074 E000000 6317
074 F000000 590244
074 G000000 0
074 H000000 0
074 I000000 0
074 J000000 0
074 K000000 0
074 L000000 5827
074 M000000 257
074 N000000 654719
074 O000000 1981
074 P000000 956
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 1022
074 S000000 0
074 T000000 650760
074 U010000 31388
074 U020000 0
074 V010000 20.73
074 V020000 0.00
074 W000000 0.0000
074 X000000 58979
074 Y000000 0
075 A000000 0
075 B000000 605473
076 000000 0.00
<PAGE> PAGE 9
077 A000000 Y
077 B000000 N
077 C000000 N
077 D000000 N
077 E000000 N
077 F000000 N
077 G000000 N
077 H000000 N
077 I000000 N
077 J000000 N
077 K000000 N
077 L000000 N
077 M000000 N
077 N000000 N
077 O000000 Y
077 P000000 N
077 Q010000 N
077 Q020000 N
077 Q030000 N
078 000000 N
SIGNATURE MARIE K. KARPINSKI
TITLE TREASURER
