CALVERT VARIABLE SERIES INC
NSAR-B, 2000-02-24
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<PAGE>      PAGE  1
000 B000000 12/31/1999
000 C000000 0000708950
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 CALVERT VARIABLE SERIES, INC.
001 B000000 811-3591
001 C000000 3019514800
002 A000000 4550 MONTGOMERY AVENUE, 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 14
007 C010100  1
007 C020100 CALVERT SOCIAL BALANCED
007 C030100 N
007 C010200  2
007 C020200 CALVERT SOCIAL MID-CAP GROWTH
007 C030200 N
007 C010300  3
007 C020300 CALVERT SOCIAL MONEY MARKET
007 C030300 N
007 C010400  4
007 C020400 CALVERT SOCIAL INTERNATIONAL EQUITY
007 C030400 N
007 C010500  5
007 C020500 CALVERT SOCIAL SMALL-CAP GROWTH
007 C030500 N
007 C010600  6
007 C020600 AMERITAS INCOME AND GROWTH PORTFOLIO
007 C030600 N
007 C010700  7
007 C020700 AMERITAS GRWOTH PORTFOLIO
007 C030700 N
007 C010800  8
007 C020800 AMERITAS SMALL CAPITALIZATION PORTFOLIO
007 C030800 N
007 C010900  9
007 C020900 AMERITAS MIDCAP GROWTH PORTFOLIO
007 C030900 N
007 C011000 10
007 C021000 AMERITAS EMERGING GROWTH PORTFOLIO
<PAGE>      PAGE  2
007 C031000 N
007 C011100 11
007 C021100 AMERITAS RESEARCH PORTFOLIO
007 C031100 N
007 C011200 12
007 C021200 AMERITAS GROWTH WITH INCOME PORTFOLIO
007 C031200 N
007 C011300 13
007 C021300 AMERITAS INDEX 500 PORTFOLIO
007 C031300 N
007 C011400 14
007 C021400 AMERITAS MONEY MARKET PORTFOLIO
007 C031400 N
007 C011500 15
007 C011600 16
007 C011700 17
007 C011800 18
007 C011900 19
007 C012000 20
020 A000001 FRED ALGER & COMPANY INC
020 C000001    116
020 A000002 BOSTON INSTITUTIONAL SERVICES
020 C000002     87
020 A000003 AUTRANET INC
020 C000003     39
020 A000004 MERRILL LYNCH PIERCE FENNER & SMITH
020 C000004     25
020 A000005 DONALDSON LUFKIN & JENRETTE SEC
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020 A000006 BUCKINGHAM RESEARCH GROUP
020 C000006     16
020 A000007 GOLDMAN SACHS & CO
020 C000007     15
020 A000008 CANTOR FITZGERALD & CO INC
020 C000008     13
020 A000009 CAPITAL INSTITUTIONAL SERVICES
020 C000009     13
020 A000010 BERNSTEIN SANFORD C & CO INC
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021  000000      578
022 A000001 STATE STREET BANK & TRUST CO DEALER DEPT
022 C000001   2157570
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022 A000002 DONALDSON LUFKIN & JENRETTE SECS
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022 D000002     85805
022 A000003 MERRILL LYNCH PIERCE FENNER & SMITH
022 C000003    406421
022 D000003    330402
022 A000004 SALOMON SMITH BARNEY INC
022 C000004    283119
<PAGE>      PAGE  3
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022 A000006 DB CLEARING SERVICES
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022 A000007 GOLDMAN SACHS & CO
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022 A000008 CHASE MANHATTAN BANK
022 C000008    114522
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022 A000009 BANC OF AMERICA SECURITIES
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022 D000009     27177
022 A000010 LEHMAN BROS INC
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022 D000010     77650
023 C000000 6541119832
023 D000000 6128187641
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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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<PAGE>      PAGE  9
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<PAGE>      PAGE  10
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<PAGE>      PAGE  11
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SIGNATURE   WILLIAM M. TARTIKOFF
TITLE       GENERAL COUNSEL


WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

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<CIK> 0000708950
<NAME> CALVERT VARIABLE SERIES, INC.
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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

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<NAME> CALVERT VARIABLE SERIES,INC.
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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
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<NAME> CALVERT VARIABLE SERIES, INC.
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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000708950
<NAME> CALVERT VARIABLE SERIES, INC.
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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000708950
<NAME> CALVERT VARIABLE SERIES, INC.
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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000708950
<NAME> CALVERT VARIABLE SERIES, INC.
<SERIES>
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