PAGE  1
000 B000000 10/31/2005
000 C000000 830487
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 MUNICIPAL HIGH INCOME FUND INC.
001 B000000 811-5497
001 C000000 8004512010
002 A000000 125 BROAD STREET
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10004
003  000000 N
004  000000 N
005  000000 N
006  000000 N
007 A000000 N
007 B000000  0
007 C010100  1
008 A000001 SMITH BARNEY FUND MANAGEMENT LLC
008 B000001 A
008 C000001 801-8314
008 D010001 NEW YORK
008 D020001 NY
008 D030001 10004
010 A000001 SMITH BARNEY FUND MANAGEMENT LLC
010 B000001 801-8314
010 C010001 NEW YORK
010 C020001 NY
010 C030001 10004
011 A000001 CITIGROUP GLOBAL MARKETS INC.
011 B000001 8-8177
011 C010001 NEW YORK
011 C020001 NY
011 C030001 10013
012 A000001 PFPC INC.
012 B000001 84-1761
012 C010001 PROVIDENCE
012 C020001 RI
012 C030001 02940
012 C040001 3027
013 A000001 KPMG LLP
013 B010001 NEW YORK
013 B020001 NY
013 B030001 10017
014 A000001 ACCI SECURITIES, INC.
014 B000001 8-0
      PAGE  2
014 A000002 ACCIONES Y VALORES DE MEXICO, S.A. DE C.V.
014 B000002 8-0
014 A000003 CALIFORNIA COMMERCE BANC SECURITIES, INC.
014 B000003 8-0
014 A000004 CASA DE BOLSA BANAMEX, S.A. DE C.V., GRUPO FX
014 B000004 8-0
014 A000005 CHEAPSIDE (SSL) LIMITED
014 B000005 8-0
014 A000006 CITI VALORES DE EL SALVADOR S.A. DE C.V.
014 B000006 8-0
014 A000007 CITIBANK (SWITZERLAND)
014 B000007 8-0
014 A000008 CITIBANK AGENCIA DE VALORES S.A.
014 B000008 8-0
014 A000009 CITIBANK MERCADO DE CAPITALES, CA CITMERCA, A
014 B000009 8-0
014 A000010 CITIBANK SECURITIES (TAIWAN) LIMITED
014 B000010 8-0
014 A000011 CITIBANK-CORRETORA DE CAMBIO, TITULOS E VALO.
014 B000011 8-0
014 A000012 CITIBANK-DISTRIBUIDORA DE TITULOS E VALORES .
014 B000012 8-0
014 A000013 CITICORP BROKERAGE (INDIA) LIMITED
014 B000013 8-0
014 A000014 CITICORP CAPITAL MARKETS AUSTRALIA LIMITED
014 B000014 8-0
014 A000015 CITICORP CAPITAL MARKETS LIMITED
014 B000015 8-0
014 A000016 CITICORP CAPITAL MARKETS SOCIEDAD ANONIMA
014 B000016 8-0
014 A000017 CITICORP CAPITAL MARKETS URUGUAY S.A.
014 B000017 8-0
014 A000018 CITICORP CAPITAL PHILIPPINES, INC.
014 B000018 8-0
014 A000019 CITICORP FINANCIAL SERVICES CORPORATION
014 B000019 8-0
014 A000020 CITICORP INVESTMENT BANK (SINGAPORE) LIMITED
014 B000020 8-0
014 A000021 CITICORP INVESTMENT SERVICES
014 B000021 8-0
014 A000022 CITICORP MERCHANT BANK LIMITED
014 B000022 8-0
014 A000023 CITICORP PERU S.A. SOCIEDAD AGENTE DE BOLSA
014 B000023 8-0
014 A000024 CITICORP SECURITIES (JAPAN) LIMITED
014 B000024 8-0
014 A000025 CITICORP SECURITIES (THAILAND) LTD.
014 B000025 8-0
014 A000026 CITICORP SECURITIES ASIA PACIFIC LIMITED
014 B000026 8-0
014 A000027 CITICORP SECURITIES BOLIVIA S.A.
      PAGE  3
014 B000027 8-0
014 A000028 CITICORP SECURITIES INTERNATIONAL (RP) INC.
014 B000028 8-0
014 A000029 CITICORP SECURITIES SERVICES, INC.
014 B000029 8-0
014 A000030 CITICORP SECURITIES WEST AFRICA
014 B000030 8-0
014 A000031 CITICORP VALORES S.A. SOCIEDAD DE BOLSA
014 B000031 8-0
014 A000032 CITIGROUP (CHILE) S.A. CORREDORES DE BOLSA
014 B000032 8-0
014 A000033 CITIGROUP ASSET MANAGEMENT AUSTRALIA LIMITED
014 B000033 8-0
014 A000034 CITIGROUP GLOBAL MARKETS (GUERNSEY) LIMITED
014 B000034 8-0
014 A000035 CITIGROUP GLOBAL MARKETS (PROPRIETARY) LIMITD
014 B000035 8-0
014 A000036 CITIGROUP GLOBAL MARKETS ASIA LIMITED
014 B000036 8-0
014 A000037 CITIGROUP GLOBAL MARKETS AUSTRALIA FIXED INCD
014 B000037 8-0
014 A000038 CITIGROUP GLOBAL MARKETS AUSTRALIA PTY LIMITD
014 B000038 8-0
014 A000039 CITIGROUP GLOBAL MARKETS CANADA INC.
014 B000039 8-0
014 A000040 CITIGROUP GLOBAL MARKETS DEUTSCHLAND AG
014 B000040 8-0
014 A000041 CITIGROUP GLOBAL MARKETS INC.
014 B000041 8-0
014 A000042 CITIGROUP GLOBAL MARKETS INDIA PRIVATE LIMITD
014 B000042 8-0
014 A000043 CITIGROUP GLOBAL MARKETS KOREA SECURITIES LID
014 B000043 8-0
014 A000044 CITIGROUP GLOBAL MARKETS LIMITED
014 B000044 8-0
014 A000045 CITIGROUP GLOBAL MARKETS MALAYSIA SDN. BHD.
014 B000045 8-0
014 A000046 CITIGROUP GLOBAL MARKETS MAURITIUS PRIVATE LD
014 B000046 8-0
014 A000047 CITIGROUP GLOBAL MARKETS NEW ZEALAND LIMITED
014 B000047 8-0
014 A000048 CITIGROUP GLOBAL MARKETS PUERTO RICO INC.
014 B000048 8-0
014 A000049 CITIGROUP GLOBAL MARKETS REPRESENTACOES LTDA.
014 B000049 8-0
014 A000050 CITIGROUP GLOBAL MARKETS SINGAPORE MERCHANT .
014 B000050 8-0
014 A000051 CITIGROUP GLOBAL MARKETS SINGAPORE PTE. LTD.
014 B000051 8-0
014 A000052 CITIGROUP GLOBAL MARKETS TAIWAN LIMITED
014 B000052 8-0
      PAGE  4
014 A000053 CITIGROUP GLOBAL MARKETS U.K. EQUITY LIMITED
014 B000053 8-0
014 A000054 CITINVERSIONES DE TITULOS Y VALORES (PUESTO .
014 B000054 8-0
014 A000055 CITINVERSIONES, S.A.
014 B000055 8-0
014 A000056 CITISECURITIES LIMITED
014 B000056 8-0
014 A000057 CITISTREET ADVISORS LLC
014 B000057 8-0
014 A000058 CITISTREET EQUITIES LLC
014 B000058 8-0
014 A000059 CITITRADING S.A. CASA DE VALORES
014 B000059 8-0
014 A000060 CITIVALORES DE HONDURAS, S.A.
014 B000060 8-0
014 A000061 CITIVALORES PUESTO DE BOLSA, S.A.
014 B000061 8-0
014 A000062 CITIVALORES S.A. COMISIONISTA DE BOLSA
014 B000062 8-0
014 A000063 CITIVALORES, S.A. (GUATEMALA)
014 B000063 8-0
014 A000064 CITIVALORES, S.A. (PANAMA CITY)
014 B000064 8-0
014 A000065 DOM MAKLERSKI BANKU HANDLOWEGO S.A.
014 B000065 8-0
014 A000066 JAPANCROSS SECURITIES CO., LTD.
014 B000066 8-0
014 A000067 LATIN AMERICAN INVESTMENT BANK BAHAMAS LIMITD
014 B000067 8-0
014 A000068 NIKKO CITIGROUP LIMITED
014 B000068 8-0
014 A000069 PFS DISTRIBUTORS, INC.
014 B000069 8-0
014 A000070 PFS INVESTMENTS INC.
014 B000070 8-0
014 A000071 PFSL INVESTMENTS CANADA LTD.
014 B000071 8-0
014 A000072 PT SALOMON SMITH BARNEY INDONESIA
014 B000072 8-0
014 A000073 PT. CITIGROUP SECURITIES INDONESIA
014 B000073 8-0
014 A000074 SALOMON REINVESTMENT COMPANY, INC
014 B000074 8-0
014 A000075 SALOMON SMITH BARNEY ASIA LIMITED
014 B000075 8-0
014 A000076 SALOMON SMITH BARNEY SECURITIES ASIA LIMITED
014 B000076 8-0
014 A000077 SALOMON SWAPCO INC.
014 B000077 8-0
014 A000078 SMITH BARNEY CITIGROUP AUSTRALIA PTY LIMITED
      PAGE  5
014 B000078 8-0
014 A000079 THE GENEVA COMPANIES INC.
014 B000079 8-0
014 A000080 TOWER SQUARE SECURITIES, INC.
014 B000080 8-0
014 A000081 TRAVELERS DISTRIBUTION LLC
014 B000081 8-0
014 A000082 ZAO CITIGROUP GLOBAL MARKETS
014 B000082 8-0
015 A000001 STATE STREET BANK AND TRUST COMPANY
015 B000001 C
015 C010001 BOSTON
015 C020001 MA
015 C030001 02110
015 E010001 X
018  000000 Y
019 A000000 Y
019 B000000  171
019 C000000 BARNEYOOOO
021  000000        0
022 A000001 MERRILL LYNCH, PIERCE, FENNER & SMITH, INC.
022 B000001 13-5674085
022 C000001     15916
022 D000001      6982
022 A000002 JPMORGAN CHASE & CO.
022 B000002 13-3224016
022 C000002      7463
022 D000002     10584
022 A000003 BANK OF AMERICA SECURITIES LLC
022 B000003 56-2058405
022 C000003      4295
022 D000003      7015
022 A000004 BEAR STEARNS SECURITIES CORP
022 B000004 13-3299429
022 C000004      4697
022 D000004      4908
022 A000005 BAUM (GEORGE K) & CO., INC.
022 B000005 43-1661917
022 C000005      4412
022 D000005      4659
022 A000006 EDWARDS A G SONS INC.
022 B000006 43-1825172
022 C000006      6271
022 D000006      1845
022 A000007 HERBERT J SIMS & CO INC.
022 C000007      2226
022 D000007      3936
022 A000008 FIRST ALBANY CAPITAL INC.
022 B000008 14-1391446
022 C000008      2123
022 D000008      3989
      PAGE  6
022 A000009 RAYMOND JAMES AND ASSOCIATES
022 B000009 59-1237041
022 C000009      1044
022 D000009      4973
022 A000010 UBS FINANCIAL SERVICES INC.
022 B000010 13-2895752
022 C000010      3573
022 D000010      2000
023 C000000      73319
023 D000000      69811
024  000000 N
026 A000000 N
026 B000000 Y
026 C000000 N
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
      PAGE  7
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
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  0.400
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 N
052  000000 N
053 A000000 N
054 A000000 Y
      PAGE  8
054 B000000 Y
054 C000000 Y
054 D000000 N
054 E000000 N
054 F000000 N
054 G000000 Y
054 H000000 Y
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 Y
054 M000000 Y
054 N000000 N
054 O000000 Y
055 A000000 Y
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   3.4
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  94.6
062 P000000   0.0
062 Q000000   0.0
062 R000000   0.0
063 A000000   0
063 B000000 20.3
064 A000000 Y
064 B000000 Y
065  000000 N
066 A000000 N
067  000000 N
068 A000000 N
068 B000000 N
069  000000 N
      PAGE  9
070 A010000 Y
070 A020000 N
070 B010000 N
070 B020000 N
070 C010000 Y
070 C020000 N
070 D010000 N
070 D020000 N
070 E010000 Y
070 E020000 Y
070 F010000 N
070 F020000 N
070 G010000 Y
070 G020000 N
070 H010000 N
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 Y
070 J020000 Y
070 K010000 N
070 K020000 N
070 L010000 N
070 L020000 N
070 M010000 N
070 M020000 N
070 N010000 Y
070 N020000 N
070 O010000 N
070 O020000 N
070 P010000 N
070 P020000 N
070 Q010000 N
070 Q020000 N
070 R010000 N
070 R020000 N
071 A000000     62339
071 B000000     67406
071 C000000    159532
071 D000000   39
072 A000000 12
072 B000000    10966
072 C000000        0
072 D000000        0
072 E000000        0
072 F000000      666
072 G000000      326
072 H000000        0
072 I000000       70
072 J000000       28
072 K000000        0
      PAGE  10
072 L000000       63
072 M000000       66
072 N000000       18
072 O000000        0
072 P000000        0
072 Q000000        0
072 R000000       33
072 S000000      123
072 T000000        0
072 U000000        0
072 V000000        0
072 W000000       27
072 X000000     1420
072 Y000000        0
072 Z000000     9546
072AA000000        0
072BB000000     9631
072CC010000    11741
072CC020000        0
072DD010000     9430
072DD020000        0
072EE000000        0
073 A010000   0.4490
073 A020000   0.0000
073 B000000   0.0000
073 C000000   0.0000
074 A000000        0
074 B000000        0
074 C000000     5660
074 D000000   157885
074 E000000        0
074 F000000        0
074 G000000        0
074 H000000        0
074 I000000        0
074 J000000     1142
074 K000000        0
074 L000000     3626
074 M000000        5
074 N000000   168318
074 O000000     1043
074 P000000       78
074 Q000000        0
074 R010000        0
074 R020000        0
074 R030000        0
074 R040000      281
074 S000000        0
074 T000000   166916
074 U010000    21002
074 U020000        0
      PAGE  11
074 V010000     7.95
074 V020000     0.00
074 W000000   0.0000
074 X000000      843
074 Y000000    46978
075 A000000        0
075 B000000   166185
076  000000     0.00
077 A000000 Y
077 B000000 Y
077 C000000 Y
077 E000000 Y
077 O000000 N
077 Q010000 N
078  000000 N
080 A000000 ICI MUTUAL INSURANCE CO.
080 C000000   145000
081 A000000 Y
081 B000000 220
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 MUNICIPAL HIGH INCOME FUND INC.
087 A020000 626214100
087 A030000 MHF
088 A000000 N
088 B000000 N
088 C000000 N
088 D000000 N
SIGNATURE   RAYMOUND LUI
TITLE       ACCOUNTING MANAGER