<PAGE> PAGE 1
000 A000000 09/30/97
000 C000000 0000701039
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0
000 J000000 A
001 A000000 THE CALVERT FUND
001 B000000 811-3416
001 C000000 3019514881
002 A000000 4550 MONTGOMERY AVE. SUITE 1000N
002 B000000 BETHESDA
002 C000000 MD
002 D010000 20814
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 Y
007 B000000 2
007 C010100 1
007 C020100 CALVERT STRATEGIC GROWTH FUND
007 C030100 N
007 C010200 2
007 C020200 CALVERT NEW VISION SMALL CAP FUND
007 C030200 N
007 C010300 3
007 C010400 4
007 C010500 5
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
011 A00AA01 CALVERT DISTRIBUTORS, INC.
011 B00AA01 8-47915
011 C01AA01 BETHESDA\
011 C02AA01 MD
011 C03AA01 20814
013 A00AA01 COOPERS & LYBRAND
013 B01AA01 BALTIMORE
013 B02AA01 MD
013 B03AA01 21202
019 B00AA00 0
020 A000001 LEHMAN BROS
020 C000001 87
020 A000002 INSTINET
020 C000002 50
020 A000003 BRIDGE TRADING
<PAGE> PAGE 2
020 C000003 45
020 A000004 FACTSET DAKA SYSTEMS
020 C000004 38
020 A000005 BEAR STEARNSEY
020 C000005 24
020 A000006 H.D. BROUS
020 C000006 12
020 A000007 MORGAN STANLEY
020 C000007 11
020 A000008 SOUTHCOAST CAPITAL
020 C000008 10
020 A000009 AMERICAN EASTERN
020 C000009 6
020 A000010 PIPER JEFFREY
020 C000010 4
021 000000 305
022 A000001 DONALDSON LUFKIN
022 C000001 536268
022 D000001 1988
022 A000002 STATE STREET BANK
022 C000002 505000
022 D000002 0
022 A000003 UBS SECURITIES
022 C000003 292400
022 D000003 0
022 A000004 INSTINET
022 C000004 25244
022 D000004 14285
022 A000005 PAINE WEBBER
022 C000005 21699
022 D000005 9853
022 A000006 FACTSET DATA SYSTEMS
022 C000006 18653
022 D000006 13668
022 A000007 BEAR STEARNS
022 C000007 18108
022 D000007 24914
022 A000008 MORGAN STANLEY
022 C000008 17308
022 D000008 13057
022 A000009 LEHMAN BROS
022 C000009 17208
022 D000009 26003
022 A000010 CANTOR FITZGERALD
022 C000010 16536
022 D000010 20302
023 C000000 1565077
023 D000000 245711
024 00AA00 N
025 D00AA01 0
025 D00AA02 0
<PAGE> PAGE 3
025 D00AA03 0
025 D00AA04 0
025 D00AA05 0
025 D00AA06 0
025 D00AA07 0
025 D00AA08 0
027 000000 Y
045 00AA00 Y
046 00AA00 N
047 00AA00 Y
048 00AA00 0.700
048 A01AA00 0
048 A02AA00 0.000
048 B01AA00 0
048 B02AA00 0.000
048 C01AA00 0
048 C02AA00 0.000
048 D01AA00 0
048 D02AA00 0.000
048 E01AA00 0
048 E02AA00 0.000
048 F01AA00 0
048 F02AA00 0.000
048 G01AA00 0
048 G02AA00 0.000
048 H01AA00 0
048 H02AA00 0.000
048 I01AA00 0
048 I02AA00 0.000
048 J01AA00 0
048 J02AA00 0.000
048 K01AA00 0
048 K02AA00 0.000
055 A00AA00 N
055 B00AA00 N
056 00AA00 N
057 00AA00 N
070 A01AA00 Y
070 A02AA00 N
070 B01AA00 Y
070 B02AA00 Y
070 C01AA00 N
070 C02AA00 N
070 D01AA00 Y
070 D02AA00 Y
070 E01AA00 Y
070 E02AA00 N
070 F01AA00 Y
070 F02AA00 N
070 G01AA00 N
070 G02AA00 N
<PAGE> PAGE 4
070 H01AA00 N
070 H02AA00 N
070 I01AA00 N
070 I02AA00 N
070 J01AA00 Y
070 J02AA00 Y
070 K01AA00 Y
070 K02AA00 N
070 L01AA00 N
070 L02AA00 N
070 M01AA00 N
070 M02AA00 N
070 N01AA00 Y
070 N02AA00 N
070 O01AA00 Y
070 O02AA00 N
070 P01AA00 N
070 P02AA00 N
070 Q01AA00 Y
070 Q02AA00 Y
070 R01AA00 Y
070 R02AA00 Y
077 A000000 N
078 000000 N
080 A00AA00 ICI MUTUAL INSURANCE COMPANY
080 C00AA00 5000
081 B00AA00 39
082 A00AA00 N
082 B00AA00 0
083 A00AA00 N
083 B00AA00 0
084 A00AA00 N
084 B00AA00 0
085 A00AA00 Y
085 B00AA00 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
028 A010100 2194
028 A020100 0
028 A030100 0
028 A040100 4992
<PAGE> PAGE 5
028 B010100 1686
028 B020100 0
028 B030100 0
028 B040100 4106
028 C010100 1678
028 C020100 0
028 C030100 0
028 C040100 5540
028 D010100 1662
028 D020100 0
028 D030100 0
028 D040100 6341
028 E010100 1061
028 E020100 0
028 E030100 0
028 E040100 6710
028 F010100 1212
028 F020100 0
028 F030100 0
028 F040100 8358
028 G010100 9493
028 G020100 0
028 G030100 0
028 G040100 36047
028 H000100 832
029 000100 Y
030 A000100 18329
030 B000100 4.75
030 C000100 0.00
031 A000100 17408
031 B000100 0
032 000100 67
033 000100 854
042 A000100 25
042 B000100 6
042 C000100 4
042 D000100 63
042 E000100 1
042 F000100 0
042 G000100 0
042 H000100 0
043 000100 586
044 000100 0
062 A000100 N
062 B000100 0.0
062 C000100 0.0
062 D000100 0.0
062 E000100 0.0
062 F000100 0.0
062 G000100 0.0
062 H000100 0.0
<PAGE> PAGE 6
062 I000100 0.0
062 J000100 0.0
062 K000100 0.0
062 L000100 0.0
062 M000100 0.0
062 N000100 0.0
062 O000100 0.0
062 P000100 0.0
062 Q000100 0.0
062 R000100 0.0
063 A000100 0
063 B000100 0.0
071 A000100 200107
071 B000100 225194
071 C000100 90502
071 D000100 221
072 A000100 6
072 B000100 567
072 C000100 70
072 D000100 0
072 E000100 0
072 F000100 789
072 G000100 113
072 H000100 0
072 I000100 184
072 J000100 21
072 K000100 21
072 L000100 28
072 M000100 32
072 N000100 18
072 O000100 0
072 P000100 0
072 Q000100 0
072 R000100 13
072 S000100 2
072 T000100 201
072 U000100 0
072 V000100 0
072 W000100 65
072 X000100 1487
072 Y000100 21
072 Z000100 -829
072AA000100 14522
072BB000100 0
072CC010100 11283
072CC020100 0
072DD010100 0
072DD020100 0
072EE000100 0
073 A010100 0.0000
073 A020100 0.0000
<PAGE> PAGE 7
073 B000100 0.0000
073 C000100 0.0000
074 A000100 217
074 B000100 8000
074 C000100 8299
074 D000100 4801
074 E000100 0
074 F000100 53116
074 G000100 10050
074 H000100 0
074 I000100 0
074 J000100 34297
074 K000100 0
074 L000100 252
074 M000100 1123
074 N000100 120155
074 O000100 56
074 P000100 243
074 Q000100 0
074 R010100 0
074 R020100 211
074 R030100 9140
074 R040100 933
074 S000100 0
074 T000100 109572
074 U010100 5464
074 U020100 859
074 V010100 17.38
074 V020100 17.02
074 W000100 0.0000
074 X000100 13565
074 Y000100 0
075 A000100 0
075 B000100 112473
076 000100 0.00
028 A010200 329
028 A020200 0
028 A030200 0
028 A040200 96
028 B010200 478
028 B020200 0
028 B030200 0
028 B040200 29
028 C010200 596
028 C020200 0
028 C030200 0
028 C040200 73
028 D010200 292
028 D020200 0
028 D030200 0
028 D040200 182
<PAGE> PAGE 8
028 E010200 385
028 E020200 0
028 E030200 0
028 E040200 171
028 F010200 341
028 F020200 0
028 F030200 0
028 F040200 439
028 G010200 2421
028 G020200 0
028 G030200 0
028 G040200 990
028 H000200 301
030 A000200 3674
030 B000200 0.00
030 C000200 0.00
031 A000200 3051
031 B000200 0
032 000200 8
033 000200 615
042 A000200 3
042 B000200 93
042 C000200 1
042 D000200 2
042 E000200 0
042 F000200 0
042 G000200 0
042 H000200 0
043 000200 1
044 000200 0
062 A000200 N
062 B000200 0.0
062 C000200 0.0
062 D000200 0.0
062 E000200 0.0
062 F000200 0.0
062 G000200 0.0
062 H000200 0.0
062 I000200 0.0
062 J000200 0.0
062 K000200 0.0
062 L000200 0.0
062 M000200 0.0
062 N000200 0.0
062 O000200 0.0
062 P000200 0.0
062 Q000200 0.0
062 R000200 0.0
063 A000200 0
063 B000200 0.0
071 A000200 4162
<PAGE> PAGE 9
071 B000200 2653
071 C000200 2051
071 D000200 129
072 A000200 6
072 B000200 3
072 C000200 0
072 D000200 0
072 E000200 0
072 F000200 12
072 G000200 1
072 H000200 0
072 I000200 6
072 J000200 5
072 K000200 1
072 L000200 5
072 M000200 1
072 N000200 29
072 O000200 0
072 P000200 0
072 Q000200 0
072 R000200 0
072 S000200 0
072 T000200 5
072 U000200 0
072 V000200 0
072 W000200 0
072 X000200 65
072 Y000200 50
072 Z000200 -12
072AA000200 160
072BB000200 0
072CC010200 584
072CC020200 0
072DD010200 0
072DD020200 0
072EE000200 0
073 A010200 0.0000
073 A020200 0.0000
073 B000200 0.0000
073 C000200 0.0000
074 A000200 728
074 B000200 0
074 C000200 0
074 D000200 0
074 E000200 0
074 F000200 2802
074 G000200 0
074 H000200 0
074 I000200 0
074 J000200 30
074 K000200 2
<PAGE> PAGE 10
074 L000200 12
074 M000200 21
074 N000200 3595
074 O000200 0
074 P000200 2
074 Q000200 0
074 R010200 0
074 R020200 0
074 R030200 12
074 R040200 3
074 S000200 0
074 T000200 3578
074 U010200 208
074 U020200 20
074 V010200 15.65
074 V020200 15.62
074 W000200 0.0000
074 X000200 433
074 Y000200 0
075 A000200 0
075 B000200 3655
076 000200 0.00
SIGNATURE WILLIAM M. TARTIKOFF, ESQ.
TITLE GENERAL COUNSEL
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000701039
<NAME> THE CALVERT FUND
<SERIES>
<NUMBER> 145
<NAME> CALVERT NEW VISION SMALL CAP. CLASS C
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-1997
<PERIOD-START> APR-01-1997
<PERIOD-END> SEP-30-1997
<INVESTMENTS-AT-COST> 2329
<INVESTMENTS-AT-VALUE> 2802
<RECEIVABLES> 44
<ASSETS-OTHER> 749
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 3595
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 17
<TOTAL-LIABILITIES> 17
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 245
<SHARES-COMMON-STOCK> 20
<SHARES-COMMON-PRIOR> 17
<ACCUMULATED-NII-CURRENT> (2)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (5)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 80
<NET-ASSETS> 318
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 0
<OTHER-INCOME> 0
<EXPENSES-NET> 2
<NET-INVESTMENT-INCOME> (2)
<REALIZED-GAINS-CURRENT> 17
<APPREC-INCREASE-CURRENT> 94
<NET-CHANGE-FROM-OPS> 109
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 23
<NUMBER-OF-SHARES-REDEEMED> 20
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 3
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3
<AVERAGE-NET-ASSETS> 380
<PER-SHARE-NAV-BEGIN> 11.99
<PER-SHARE-NII> (.10)
<PER-SHARE-GAIN-APPREC> 3.73
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 15.62
<EXPENSE-RATIO> 1.30
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000701039
<NAME> THE CALVERT FUND
<SERIES>
<NUMBER> 143
<NAME> CALVERT NEW VISION SMALL CAP FUND, CLASS A
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-1997
<PERIOD-START> APR-01-1997
<PERIOD-END> SEP-30-1997
<INVESTMENTS-AT-COST> 2329
<INVESTMENTS-AT-VALUE> 2802
<RECEIVABLES> 44
<ASSETS-OTHER> 749
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 3595
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 17
<TOTAL-LIABILITIES> 17
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 2880
<SHARES-COMMON-STOCK> 208
<SHARES-COMMON-PRIOR> 101
<ACCUMULATED-NII-CURRENT> (10)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (3)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 393
<NET-ASSETS> 3260
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 2
<OTHER-INCOME> 0
<EXPENSES-NET> 12
<NET-INVESTMENT-INCOME> (10)
<REALIZED-GAINS-CURRENT> 143
<APPREC-INCREASE-CURRENT> 490
<NET-CHANGE-FROM-OPS> 623
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 156
<NUMBER-OF-SHARES-REDEEMED> 49
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 107
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 10
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 17
<AVERAGE-NET-ASSETS> 3275
<PER-SHARE-NAV-BEGIN> 11.99
<PER-SHARE-NII> (.05)
<PER-SHARE-GAIN-APPREC> 3.71
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 16.65
<EXPENSE-RATIO> 1.03
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000701039
<NAME> THE CALVERT FUND
<SERIES>
<NUMBER> 123
<NAME> CALVERT STRATEGIC GROWTH FUND, CLASS A
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-1997
<PERIOD-START> APR-01-1997
<PERIOD-END> SEP-30-1997
<INVESTMENTS-AT-COST> 77275
<INVESTMENTS-AT-VALUE> 84266
<RECEIVABLES> 34549
<ASSETS-OTHER> 1340
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 120155
<PAYABLE-FOR-SECURITIES> 56
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 10527
<TOTAL-LIABILITIES> 10583
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 90336
<SHARES-COMMON-STOCK> 5464
<SHARES-COMMON-PRIOR> 6798
<ACCUMULATED-NII-CURRENT> (375)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (800)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 5786
<NET-ASSETS> 94947
<DIVIDEND-INCOME> 62
<INTEREST-INCOME> 483
<OTHER-INCOME> 0
<EXPENSES-NET> 1212
<NET-INVESTMENT-INCOME> (375)
<REALIZED-GAINS-CURRENT> 12610
<APPREC-INCREASE-CURRENT> 9279
<NET-CHANGE-FROM-OPS> 21514
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 573
<NUMBER-OF-SHARES-REDEEMED> 1907
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> (1334)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 677
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1230
<AVERAGE-NET-ASSETS> 97262
<PER-SHARE-NAV-BEGIN> 13.92
<PER-SHARE-NII> (.11)
<PER-SHARE-GAIN-APPREC> 3.57
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 17.38
<EXPENSE-RATIO> 2.50
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000701039
<NAME> THE CALVERT FUND
<SERIES>
<NUMBER> 223
<NAME> CALVERT STRATEGIC GROWTH FUND, CLASS C
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-1996
<PERIOD-START> APR-01-1997
<PERIOD-END> SEP-30-1997
<INVESTMENTS-AT-COST> 77275
<INVESTMENTS-AT-VALUE> 84266
<RECEIVABLES> 34549
<ASSETS-OTHER> 1340
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 120155
<PAYABLE-FOR-SECURITIES> 56
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 10527
<TOTAL-LIABILITIES> 10583
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 14213
<SHARES-COMMON-STOCK> 859
<SHARES-COMMON-PRIOR> 1208
<ACCUMULATED-NII-CURRENT> (454)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (447)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 1313
<NET-ASSETS> 14625
<DIVIDEND-INCOME> 8
<INTEREST-INCOME> 84
<OTHER-INCOME> 0
<EXPENSES-NET> 254
<NET-INVESTMENT-INCOME> (454)
<REALIZED-GAINS-CURRENT> 1912
<APPREC-INCREASE-CURRENT> 2004
<NET-CHANGE-FROM-OPS> 3462
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 57
<NUMBER-OF-SHARES-REDEEMED> 406
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> (349)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 112
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 257
<AVERAGE-NET-ASSETS> 15211
<PER-SHARE-NAV-BEGIN> 13.68
<PER-SHARE-NII> (.29)
<PER-SHARE-GAIN-APPREC> 3.63
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 17.02
<EXPENSE-RATIO> 3.18
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>