CALVERT VARIABLE SERIES INC
NSAR-B, 1999-02-18
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<PAGE>      PAGE  1
000 B000000 12/31/98
000 C000000 0000708950
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0
000 J000000 A
001 A000000 CALVERT VARIABLE SERIES, INC. (F/K/A ACACIA C
001 B000000 811-3591
001 C000000 2026284506
002 A000000 51 LOUISIANA AVE., N.W.
002 B000000 WASHINGTON
002 C000000 DC
002 D010000 20001
003  000000 N
004  000000 N
005  000000 N
006  000000 N
007 A000000 Y
007 B000000  5
007 C010100  1
007 C020100 CALVERT SOCIAL BALANCED (F/K/A CRI BALANCED P
007 C030100 N
007 C010200  2
007 C020200 CALVERT SOCIAL MID-CAP GROWTH (F/K/A CRI CAPA
007 C030200 N
007 C010300  3
007 C020300 CALVERT SOCIAL MONEY MARKET (F/K/A CRI MONEY
007 C030300 N
007 C010400  4
007 C020400 CALVERT SOCIAL INTERNATIONAL EQUITY (F/K/A CR
007 C030400 N
007 C010500  5
007 C020500 CALVERT SOCIAL SMALL-CAP GROWTH (F/K/A CRI ST
007 C030500 N
007 C010600  6
007 C010700  7
007 C010800  8
007 C010900  9
007 C011000 10
020 A000001 MERRILL LYNCH
020 C000001     27
020 A000002 AUTRANET
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020 A000003 LIPPER
020 C000003     25
020 A000004 CANTOR FITZGERALD
020 C000004     16
020 A000005 GOLDMAN SACH
<PAGE>      PAGE  2
020 C000005     15
020 A000006 CAPITAL INSTITUTIONAL
020 C000006     15
020 A000007 MAGNA SECURITIES
020 C000007     14
020 A000008 BEAR STEARNS
020 C000008     13
020 A000009 LEWCO
020 C000009     11
020 A000010 JEFFERIES
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021  000000      356
022 A000001 STATE STREET BANK
022 C000001   1255190
022 D000001         0
022 A000002 DONALDSON LUFKIN & JENRETTE
022 C000002   1079577
022 D000002     41398
022 A000003 SALOMON BROTHERS
022 C000003    211265
022 D000003    180837
022 A000004 DEUTSCHE
022 C000004    198128
022 D000004    159165
022 A000005 CAPITAL MARKETS
022 C000005    147845
022 D000005         0
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022 C000006    126879
022 D000006    120318
022 A000007 MERRILL LYNCH PIERCE
022 C000007    107351
022 D000007    149143
022 A000008 LEHMAN BROS
022 C000008     66013
022 D000008     69697
022 A000009 PURDENTIAL
022 C000009     59349
022 D000009     22551
022 A000010 CHASE
022 C000010     48949
022 D000010     50120
023 C000000    3882039
023 D000000    1359742
027  000000 Y
077 A000000 Y
077 B000000 Y
080 A00AA00 ICI MUTUAL INSURANCE COMPANY
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081 A00AA00 Y
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<PAGE>      PAGE  3
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<PAGE>      PAGE  4
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<PAGE>      PAGE  5
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<PAGE>      PAGE  6
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<PAGE>      PAGE  7
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<PAGE>      PAGE  8
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062 L000300  74.7
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<PAGE>      PAGE  9
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<PAGE>      PAGE  10
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<PAGE>      PAGE  11
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<PAGE>      PAGE  12
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<PAGE>      PAGE  13
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<PAGE>      PAGE  15
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SIGNATURE   WILLIAM M. TARTIKOFF                         
TITLE       GENERAL COUNSEL     
 


<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000708950
<NAME> CALVERT VARIABLE SERIES
<SERIES>
   <NUMBER> 212
   <NAME> CALVERT SOCIAL BALANCED
<MULTIPLIER> 1000
       
<S>                             <C>
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<FISCAL-YEAR-END>                          DEC-31-1998
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000708950
<NAME> CALVERT VARIABLE SERIES
<SERIES>
   <NUMBER> 222
   <NAME> CALVERT SOCIAL MID-CAP GROWTH
<MULTIPLIER> 1000
       
<S>                             <C>
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</TABLE>

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