FIRST VARIABLE RATE FUND FOR GOVERNMENT INCOME /MD/
N-30D, 2000-03-06
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DECEMBER  31,  1999

ANNUAL

REPORT

CALVERT  FIRST
GOVERNMENT  MONEY  MARKET  FUND

<PAGE>
CONTENTS

PRESIDENT'S  LETTER
1

PORTFOLIO
MANAGER  REMARKS
2

REPORT  OF  INDEPENDENT  ACCOUNTANTS
4

STATEMENT  OF
NET  ASSETS
5

STATEMENT  OF  OPERATIONS
8

STATEMENTS  OF  CHANGES  IN  NET  ASSETS
9

NOTES  TO
FINANCIAL  STATEMENTS
11

FINANCIAL  HIGHLIGHTS
14

DEAR  SHAREHOLDERS:

1999  WAS  A  VERY CHALLENGING YEAR FOR THE U.S. BOND MARKETS. ALL SEGMENTS FROM
U.S.  TREASURIES  TO  LONG  MUNICIPALS SUFFERED IN A PERIOD OF RISING RATES. THE
YIELD  CURVE  HAS  FLATTENED  AS  SHORT-TERM  RATES  ROSE  FASTER  EACH TIME THE
BENCHMARK  FEDERAL  FUNDS  RATE  ROSE.

WE  HAVE  BEEN WATCHFUL OF THE FED AND HAVE ANTICIPATED THE UPWARD TREND AS THEY
HIKED  RATES  IN JUNE, AUGUST AND NOVEMBER OF 1999. EACH TIME, THE CONSENSUS WAS
THAT  THE  INCREASES  WERE  ENOUGH,  BUT  AS  WE  NOW KNOW THE FED PROBABLY WILL
CONTINUE  TO  RAISE  RATES  INTO  EARLY  2000.

THE  TREND IN INTEREST RATES CONTINUES TO BE HIGHER AND WE EXPECT TO SEE SEVERAL
TIGHTENING STEPS BEING TAKEN BEFORE COMPLETING THE CURRENT CYCLE. ALTHOUGH THERE
ARE  SOME  SIGNS OF MODERATION IN VARIOUS SECTORS OF THE ECONOMY, WE BELIEVE THE
ECONOMY  WILL  NOT  COOL  DOWN  UNTIL  FURTHER  RATE  HIKES TAKE PLACE. SIGNS OF
POTENTIAL INFLATION ARE BEGINNING TO CREEP BACK INTO THE ECONOMIC STATISTICS AND
THESE  WILL  PLAY  AN  IMPORTANT  ROLE  IN  THE  DIRECTION  OF  INTEREST  RATES.

OVERALL,  THE  ECONOMIC  ENVIRONMENT IS HEALTHY ALTHOUGH MARKED WITH VOLATILITY.
INVESTOR  DISCIPLINE  AND THE NEED TO MAKE INFORMED DECISIONS IS AS IMPORTANT AS
EVER.  AS  ALWAYS,  WE  ENCOURAGE  YOU TO MAKE DECISIONS BASED ON YOUR FINANCIAL
OBLIGATIONS  AND  TOLERANCE  FOR  RISK.  YOUR FINANCIAL PROFESSIONAL CAN SUGGEST
STRATEGIES  THAT  CAN  KEEP  YOU  ON  TRACK  TO  MEET  THESE  OBJECTIVES.

WE APPRECIATE YOUR INVESTMENT IN CALVERT GROUP FUNDS AND LOOK FORWARD TO WORKING
WITH  YOU  TO  ACHIEVE  YOUR  FINANCIAL  GOALS.






SINCERELY,




BARBARA  J.  KRUMSIEK
PRESIDENT  AND  CEO
JANUARY  20,  2000


<PAGE>
LAURIE  WEBSTER  IS  A  MEMBER  OF  THE  CAMCO  PORTFOLIO  MANAGEMENT  TEAM.

CALVERT  FIRST  GOVERNMENT  MONEY  MARKET  FUND  SEEKS
TO  EARN  THE  HIGHEST
POSSIBLE  YIELD  CONSISTENT  WITH SAFETY, LIQUIDITY AND PRESERVATION OF CAPITAL.

FUND
INFORMATION

ASSET  ALLOCATION
TAXABLE
MONEY  MARKET

NASDAQ  SYMBOL
FVRXX

CUSIP  NUMBER
131577-10-8

CALVERT  FIRST  GOVERNMENT  MONEY  MARKET  FUND

HOW  WOULD  YOU  CHARACTERIZE  THE  INVESTMENT  CLIMATE  OVER  THE  PAST  YEAR?
1999  MARKED A YEAR OF INCREASING RATES IN THE BOND MARKETS. AT THE START OF THE
YEAR,  ALTHOUGH  INTEREST  RATES WERE NEAR THE LOW FOR 1999, THE MARKET EXPECTED
THE  FEDERAL  RESERVE  TO  HOLD  THE  FED  FUNDS RATE STEADY AT 4.75%. WHILE THE
ECONOMY  WAS  GROWING RAPIDLY, FINANCIAL DIFFICULTIES ABROAD KEPT THE US MARKETS
AS  THE  SAFE  HAVEN.  PAYDOWNS IN TREASURY FINANCING NEEDS MEANT LOW SUPPLY AND
KEPT  DOWNWARD  PRESSURE  ON  YIELDS.  PARTICIPANTS  WERE TORN AS TO WHETHER THE
MARKET  WAS  UNDER  A "NEW PARADIGM". COULD THE ECONOMY CONTINUE TO GROW WITHOUT
INFLATION?  OR, WOULD THE US ECONOMY BE THREATENED BY INSTABILITY IN OUR TRADING
PARTNERS:  ASIA,  BRAZIL  AND  MEXICO?
BY SUMMER IT WAS CLEAR THAT THE ECONOMY WAS HEATING UP AND THAT FOREIGN CONCERNS
WERE  DISSIPATING.  FED  CHAIRMAN  GREENSPAN  BEGAN  MAKING PUBLIC REMARKS ABOUT
INFLATION  CONCERNS.  THE  FED  EMBARKED ON WHAT WOULD TURN OUT TO BE THREE RATE
HIKES.  LABOR  MARKETS  BECAME  TIGHTER AND TIGHTER, UNEMPLOYMENT DROPPED TO NEW
LOWS,  THE  STOCK MARKETS HIT ALL TIME HIGHS, AND PURCHASING ON THE CONSUMER AND
MANUFACTURING  LEVELS SOARED. WHILE SOME FELT THAT THIS INCREASE COULD BE OFFSET
WITH  GAINS  IN  PRODUCTIVITY,  THE MARKETS BECAME MORE CONVINCED THAT INFLATION
WOULD  BECOME  A  PROBLEM.
RATE  HIKES  OF  25  BASIS POINTS OCCURRED IN JUNE, AUGUST AND NOVEMBER. THE FED
ALSO  STARTED  A NEW POLICY OF ANNOUNCING THEIR INTENTIONS FOR THE NEXT MEETING.
INTERPRETATION OF THE WORDING VARIED GREATLY AND CAUSED SOME VOLATILITY IN SHORT
RATES  RATHER  THAN  INCREASING  STABILITY  AS  THE FED HAD INTENDED. THE ENTIRE
TREASURY YIELD CURVE FLATTENED WITH SHORT RATES INCREASING FASTER THAN LONG BOND
RATES.
THE  FOURTH  QUARTER  OF  THE  YEAR  WAS  DOMINATED  BY  Y2K  CONCERNS.  MARKET
PARTICIPANTS  WORRIED  THAT  THERE COULD BE A RUSH ON BANKS AND THAT INDIVIDUALS
WOULD  PULL  SIGNIFICANT  AMOUNTS  OF  MONEY OUT OF MUTUAL FUNDS. ISSUERS BECAME
WORRIED  ABOUT  LIQUIDITY  AND  ATTEMPTED  TO  ENTICE INVESTORS INTO OBLIGATIONS
MATURING  IN  THE  NEW  YEAR. RATES SPIKED TO LEVELS NOT SEEN IN YEARS. THE FED,
HOWEVER,  INJECTED  LARGE  AMOUNTS  OF  LIQUIDITY  INTO  THE  BANKING SYSTEM AND
EFFECTIVELY  MANAGED  TO  ALLAY  FEARS OF A SHORTFALL IN CASH. INVESTORS DID NOT
PANIC  AS  FEARED  AND  THE  MARKETS  ENJOYED  A  QUIET  CLOSE  TO  THE  YEAR.
HOW  DID  THE  FUND  PERFORM?
FOR  THE  12  MONTHS ENDED DECEMBER 31, 1999, THE FUND'S CLASS O SHARES RETURNED
4.38%,  TRAILING  THE  4.47%  RETURN  FOR  THE LIPPER US GOVERNMENT MONEY MARKET
FUNDS  AVERAGE.

<PAGE>
WHAT  WAS  YOUR  STRATEGY  DURING  THIS  PERIOD?
THE  FUND  STARTED  THE  YEAR IN A NEUTRAL STANCE WITH AN AVERAGE MATURITY OF 46
DAYS.  DURING THE FIRST QUARTER THE SHORT-TERM INTEREST RATE CURVE STEEPENED AND
INVESTORS  WERE  ENCOURAGED  TO PLACE MONEY OUT LONGER. THE FUND WAS MOVED TO 55
DAYS.  HOWEVER, AS IT BECAME CLEAR THAT THE FED INTENDED TO RAISE RATES AND CURB
INFLATION,  WE SHORTENED OUR MATURITY TO APPROXIMATELY 35 DAYS. THIS ALLOWED THE
FUND  TO  ENJOY  INCREASING  RATES WITHOUT BEING LOCKED INTO DEPRECIATING ASSETS
FURTHER  ALONG  THE  YIELD  CURVE.  THE  FUND  IS  CURRENTLY SHORT TO NEUTRAL IN
ANTICIPATION  OF  MORE  RATE  INCREASES.
WHAT  IS  YOUR  OUTLOOK?
WE BELIEVE THAT INFLATION CONCERNS WILL CONTINUE TO PLAGUE THE MARKETS AND FORCE
THE  FED  TO RAISE RATES AT LEAST ONE MORE TIME THIS YEAR. THE ECONOMY CONTINUES
TO  GROW,  CONSUMERS  CONTINUE TO PURCHASE, CREDIT CARD DEBT IS RISING AND LABOR
MARKETS  ARE  VERY TIGHT. WITH THE STOCK MARKET AT HIGH LEVELS, THE AVAILABILITY
OF  JOBS, AND HIGH CONSUMER CONFIDENCE, HIGHER RATES APPEAR A CERTAINTY. THE FED
WILL  MOST LIKELY RAISE RATES IN FEBRUARY AND SEE IF THE ECONOMY SLOWS DOWN TO A
SUSTAINABLE LEVEL. IF NO SIGNIFICANT SLOWDOWN IS SEEN ANOTHER RATE HIKE LATER IN
THE  FIRST HALF OF THE YEAR IS LIKELY. THE RISK, HOWEVER, REMAINS WITH THE STOCK
MARKET.  A  SIGNIFICANT  DECLINE  IN STOCK MARKET PRICES COULD FORCE A FLIGHT TO
QUALITY,  CAUSING  A  RALLY  IN  SHORT  TERM  FIXED  INCOME  MARKETS.
JANUARY  20,  2000
PLEASE  REMEMBER,  THIS  DISCUSSION  REFLECTS  THE VIEWS AND OPINIONS OF CALVERT
ASSET  MANAGEMENT COMPANY AT DECEMBER 31, 1999, THE END OF THE REPORTING PERIOD.
OUR  STRATEGY  AND  THE  FUND'S  PORTFOLIO  COMPOSITION  MAY  DIFFER  DUE  TO
EVER-CHANGING MARKET AND ECONOMIC CONDITIONS. WHILE HISTORICAL PERFORMANCE IS NO
GUARANTEE  OF  FUTURE  RESULTS,  IT  MAY  GIVE  YOU  A  BETTER AND MORE THOROUGH
UNDERSTANDING  OF  OUR  INVESTMENT  DECISIONS  AND  MANAGEMENT  PHILOSOPHY.


PORTFOLIO
STATISTICS

WEIGHTED
AVERAGE  MATURITY
12.31.99     39  DAYS
12.31.98     46  DAYS

CREDIT  QUALITY
DISTRIBUTION

AS  OF  12.31.99
THE  FUND  INVESTS SOLELY IN DEBT OBLIGATIONS ISSUED OR GUARANTEED BY THE UNITED
STATES,  ITS  AGENCIES  OR  INSTRUMENTALITIES,  ASSIGNMENTS  OF INTEREST IN SUCH
OBLIGATIONS  AND  COMMITMENTS  TO  PURCHASE  SUCH  OBLIGATIONS  ("U.S.
GOVERNMENT-BACKED  OBLIGATIONS").  THE FUND MAY INVEST IN U.S. GOVERNMENT-BACKED
OBLIGATIONS  SUBJECT  TO  REPURCHASE  AGREEMENTS  WITH THE RECOGNIZED SECURITIES
DEALERS  AND  BANKS.

COMPARATIVE  MONTH-END  YIELDS

         CALVERT                IBC'S
     FIRST GOVERNMENT        GOVERNMENT
     MONEY MARKET          MONEY MARKET
         CLASS O               AVERAGES
12.31.99     4.92%                4.76%
11.30.99     4.65%                4.67%
10.31.99     4.50%                4.52%
9.30.99      4.45%                4.49%
8.31.99      4.35%                4.35%
7.31.99      4.21%                4.25%
6.30.99      3.94%                4.12%

TOTAL  RETURNS  ASSUME  REINVESTMENT  OF  DIVIDENDS.  PERFORMANCE  INFORMATION
REPRESENTS  THE  VALUE  OF  AN  INVESTMENT  IN  CLASS  O SHARES. THE VALUE OF AN
INVESTMENT  IN CLASS B, C, I OR T SHARES WOULD BE DIFFERENT. PAST PERFORMANCE IS
NO  GUARANTEE OF FUTURE RESULTS. SOURCES: IBC'S MONEY FUND REPORT, IBC FINANCIAL
DATA  INC.  AND  LIPPER  ANALYTICAL  SERVICES,  INC.

CLASS  O
AVERAGE  ANNUAL
TOTAL  RETURN

AS  OF  12.31.99
1  YEAR     4.38%
5  YEAR     4.86%
10  YEAR    4.72%
INCEPTION   7.29%
(12.07.76)

<PAGE>
REPORT  OF  INDEPENDENT  ACCOUNTANTS



TO  THE  BOARD OF TRUSTEES OF FIRST VARIABLE RATE FUND FOR GOVERNMENT INCOME AND
SHAREHOLDERS  OF  CALVERT  FIRST  GOVERNMENT  MONEY  MARKET  FUND:


IN  OUR  OPINION,  THE  ACCOMPANYING  STATEMENT  OF  NET  ASSETS AND THE RELATED
STATEMENT  OF  OPERATIONS,  STATEMENTS  OF  CHANGES  IN NET ASSETS AND FINANCIAL
HIGHLIGHTS  PRESENT  FAIRLY, IN ALL MATERIAL RESPECTS, THE FINANCIAL POSITION OF
CALVERT  FIRST  GOVERNMENT  MONEY  MARKET  FUND  (HEREINAFTER REFERRED TO AS THE
"FUND"), AT DECEMBER 31, 1999, THE RESULTS OF ITS OPERATIONS, THE CHANGES IN ITS
NET  ASSETS  AND  THE FINANCIAL HIGHLIGHTS FOR EACH OF THE PERIODS PRESENTED, IN
CONFORMITY  WITH  ACCOUNTING PRINCIPLES GENERALLY ACCEPTED IN THE UNITED STATES.
THESE  FINANCIAL STATEMENTS AND FINANCIAL HIGHLIGHTS (HEREINAFTER REFERRED TO AS
"FINANCIAL  STATEMENTS")  ARE  THE  RESPONSIBILITY OF THE FUND'S MANAGEMENT; OUR
RESPONSIBILITY  IS  TO EXPRESS AN OPINION ON THESE FINANCIAL STATEMENTS BASED ON
OUR AUDITS.  WE CONDUCTED OUR AUDITS OF THESE FINANCIAL STATEMENTS IN ACCORDANCE
WITH  AUDITING  STANDARDS GENERALLY ACCEPTED IN THE UNITED STATES, WHICH REQUIRE
THAT  WE PLAN AND PERFORM THE AUDIT TO OBTAIN REASONABLE ASSURANCE ABOUT WHETHER
THE  FINANCIAL  STATEMENTS ARE FREE OF MATERIAL MISSTATEMENT.  AN AUDIT INCLUDES
EXAMINING,  ON  A TEST BASIS, EVIDENCE SUPPORTING THE AMOUNTS AND DISCLOSURES IN
THE  FINANCIAL  STATEMENTS,  ASSESSING  THE  ACCOUNTING  PRINCIPLES  USED  AND
SIGNIFICANT  ESTIMATES  MADE BY MANAGEMENT, AND EVALUATING THE OVERALL FINANCIAL
STATEMENT PRESENTATION.  WE BELIEVE THAT OUR AUDITS, WHICH INCLUDED CONFIRMATION
OF  SECURITIES  AT  DECEMBER  31,  1999 BY CORRESPONDENCE WITH THE CUSTODIAN AND
BROKERS,  PROVIDE  A  REASONABLE  BASIS  FOR  THE  OPINION  EXPRESSED  ABOVE.



PRICEWATERHOUSECOOPERS  LLP

BALTIMORE,  MARYLAND
FEBRUARY  11,  2000

<PAGE>
STATEMENT  OF  NET  ASSETS
DECEMBER  31,  1999

                                             PRINCIPAL
U.S. GOVERNMENT AGENCY OBLIGATIONS - 72.2%    AMOUNT           VALUE
FEDERAL  AGRICULTURAL  MORTGAGE  CORPORATION,  DISCOUNT  NOTES:
     5.50%,  1/26/00                      $6,000,000      $5,977,083
     5.67%,  2/17/00                       6,500,000       6,451,884
FEDERAL  FARM  CREDIT  BANK:
     5.62%,  3/1/00                        3,900,000       3,896,891
     5.755%,  7/3/00                      10,000,000      10,000,000
FEDERAL  HOME  LOAN  BANK:
     6.013%,  1/28/00                      7,000,000       7,000,000
     4.98%,  4/14/00                       5,000,000       4,999,716
     5.01%,  4/28/00                       5,000,000       4,999,226
     5.71%,  8/9/00                        5,000,000       4,999,710
FEDERAL  HOME  LOAN  MORTGAGE  CORPORATION,  DISCOUNT  NOTES:
     5.20%,  1/13/00                      15,000,000      14,973,810
     5.63%,  1/18/00                       8,000,000       7,978,958
     5.57%,  1/26/00                       8,000,000       7,969,056
     5.60%,  2/8/00                       15,000,000      14,911,333
     5.53%,  2/15/00                      15,000,000      14,896,312
     5.60%,  3/9/00                       10,000,000       9,894,222
     5.53%,  3/16/00                      12,000,000      11,861,750
     5.76%,  4/3/00                       12,000,000      11,821,440
     5.24%,  6/2/00                        5,000,000       4,888,650
     5.24%,  6/27/00                       5,000,000       4,870,456
FEDERAL  NATIONAL  MORTGAGE  ASSOCIATION,
     4.98%,  3/24/00                       5,500,000       5,486,688
FEDERAL  NATIONAL  MORTGAGE  ASSOCIATION,  DISCOUNT  NOTES:
     5.48%,  1/20/00                      15,000,000      14,956,617
     5.40%,  2/2/00                       10,000,000       9,952,000
     5.54%,  2/4/00                        8,000,000       7,958,142
     5.40%,  2/7/00                       10,000,000       9,944,500
     5.61%,  3/9/00                       15,000,000      14,841,050
     5.76%,  3/16/00                      10,000,000       9,880,000
STUDENT  LOAN  MARKETING  ASSOCIATION:
     5.893%,  1/20/00                     10,000,000      10,000,000
     6.093%,  2/17/00                     10,000,000      10,000,000
STUDENT  LOAN  MARKETING  ASSOCIATION,
MEDIUM  TERM  NOTE,  4.93%,  2/8/00        8,400,000       8,399,053

TOTAL  U.S.  GOVERNMENT  AGENCY  OBLIGATIONS  (COST  $253,808,547)
                                                         253,808,547



<PAGE>

DEPOSITORY  RECEIPTS  FOR                    PRINCIPAL
U.S. GOVERNMENT GUARANTEED LOANS - 0.0%       AMOUNT           VALUE
COLSON  SERVICES  CORPORATION  LOAN  SETS:  ^  *
     8.00%,  4/1/12                          $10,392         $10,592

          TOTAL  DEPOSITORY  RECEIPTS  FOR
          U.S.  GOVERNMENT GUARANTEED LOANS (COST $10,592)    10,592

VARIABLE  RATE  LOANS  GUARANTEED
BY  AGENCIES  OF  THE  U.S.  GOVERNMENT  -  11.3%
RURAL  ELECTRIC  COOP  GRANTOR  TRUST  CERTIFICATES
     VRDN,  6.50%,  12/18/17              39,896,260      39,896,260

          TOTAL  VARIABLE  RATE  LOANS  GUARANTEED
BY  AGENCIES  OF  THE  U.S.  GOVERNMENT  (COST  $38,896,260)
                                                          39,896,260


REPURCHASE  AGREEMENTS,  FOR  DELIVERY
AT  COST,  COLLATERALIZED  BY  SECURITIES
ISSUED  OR  GUARANTEED  BY  THE
U.S.  GOVERNMENT  -  15.1%
STATE  STREET  BANK,  3.95%,  DATED  12/30/99,  DUE  1/6/00,
     (COLLATERAL:  $20,618,254,  FNMA,  5.78%,  7/7/00)
                                          20,000,000      20,000,000
STATE  STREET  BANK,  3.00%,  DATED  12/31/00,  DUE  1/3/00,
     (COLLATERAL:  $35,060,000,  FHLB,  3.00%,4/7/00)
                                          33,100,000      33,100,000

TOTAL  REPURCHASE  AGREEMENTS  (COST  $53,100,000)        53,100,000

TOTAL  INVESTMENTS  (COST  $346,815,399)  -  98.6%       346,815,399
OTHER ASSETS IN EXCESS OF LIABILITIES, NET  -  1.4%        4,870,522
               NET  ASSETS  -  100.0%                   $351,685,921

NET  ASSETS  CONSIST  OF:
PAID-IN CAPITAL APPLICABLE TO THE FOLLOWING SHARES OF BENEFICIAL INTEREST,
UNLIMITED  NUMBER  OF  NO  PAR  VALUE  SHARES  AUTHORIZED
     CLASS  O:  230,100,288  SHARES  OUTSTANDING        $229,839,835
     CLASS  B:  419,695  SHARES  OUTSTANDING                 419,667
     CLASS  C:  1,055,314  SHARES  OUTSTANDING             1,055,244
INSTITUTIONAL CLASS: 19,664,141 SHARES OUTSTANDING        19,662,842
     CLASS  T:  100,768,290  SHARES  OUTSTANDING         100,761,635
UNDISTRIBUTED  NET  INVESTMENT  INCOME  (LOSS)                 5,774
ACCUMULATED  NET  REALIZED  GAIN  (LOSS)  ON INVESTMENTS    (59,076)

          NET  ASSETS                                   $351,685,921

<PAGE>
NET  ASSET  VALUE  PER  SHARE
CLASS  O  (BASED  ON  NET  ASSETS  OF  $229,753,994)           $1.00
CLASS  B  (BASED  ON  NET  ASSETS  OF  $419,767)               $1.00
CLASS  C  (BASED  ON  NET  ASSETS  OF  $1,055,575)             $1.00
INSTITUTIONAL  CLASS  (BASED  ON  NET ASSETS OF $19,678,758)   $1.00
CLASS  T  (BASED  ON  NET  ASSETS  OF  $100,777,827)           $1.00






( ^ ) REPRESENTS RATES IN EFFECT AT DECEMBER 31,1999, AFTER REGULARLY SCHEDULED
ADJUSTMENTS  ON  SUCH
DATE. INTEREST RATES ADJUST MONTHLY AND QUARTERLY, GENERALLY AT THE BEGINNING OF
THE  MONTH  OR
CALENDAR QUARTER, OR SEMIANNUALLY BASED ON PRIME PLUS CONTRACTED ADJUSTMENTS. AS
OF  DECEMBER  31,
1999,  THE  PRIME  INTEREST  RATE  WAS  8.50%.
(  *  )  COLSON  SERVICES CORPORATION IS THE CUSTODIAN, COLLECTION, AND TRANSFER
AGENT  FOR  CERTAIN  OF
THE  FUND'S  U.S.  GOVERNMENT  GUARANTEED  VARIABLE  RATE LOANS. EACH DEPOSITORY
RECEIPT  PERTAINS  TO
A  SET,  GROUPED  BY  INTEREST  RATE,  OF  THESE  LOANS.

ABBREVIATIONS:
VRDN:  VARIABLE  RATE  DEMAND  NOTES

SEE  NOTES  TO  FINANCIAL  STATEMENTS.

<PAGE>
STATEMENT  OF  OPERATIONS
YEAR  ENDED  DECEMBER  31,  1999

NET  INVESTMENT  INCOME
INVESTMENT  INCOME:
     INTEREST  INCOME                                    $16,037,455

EXPENSES:
     INVESTMENT  ADVISORY  FEE                               784,621
     TRANSFER  AGENCY  FEES  AND  EXPENSES                   534,164
     DISTRIBUTION  PLAN  EXPENSES:
          CLASS  B                                             1,996
          CLASS  C                                             4,884
          CLASS  T                                           135,968
     TRUSTEES'  FEES  AND  EXPENSES                           29,244
     ACCOUNTING  FEES                                         41,866
     ADMINISTRATIVE  FEES:
          CLASS  O                                           594,037
          CLASS  B                                               499
          CLASS  C                                             1,221
          INSTITUTIONAL  CLASS                                10,580
          CLASS  T                                           135,968
     CUSTODIAN  FEES                                          34,977
     REGISTRATION  FEES                                       95,799
     REPORTS  TO  SHAREHOLDERS                               100,773
     PROFESSIONAL  FEES                                       28,329
     MISCELLANEOUS                                            74,174
          TOTAL  EXPENSES                                  2,609,100
          REIMBURSEMENT  FROM  ADVISOR:
               CLASS  B                                     (12,108)
               CLASS  C                                     (13,355)
               INSTITUTIONAL  CLASS                         (24,131)
          FEES  PAID  INDIRECTLY                            (40,869)
                    NET  EXPENSES                          2,518,637

                    NET  INVESTMENT  INCOME               13,518,818

REALIZED  GAIN  (LOSS)  ON  INVESTMENTS
NET  REALIZED  GAIN  (LOSS)                                  201,884

               INCREASE  (DECREASE)  IN  NET  ASSETS
               RESULTING  FROM  OPERATIONS               $13,720,702

SEE  NOTES  TO  FINANCIAL  STATEMENTS.

<PAGE>
STATEMENTS  OF  CHANGES  IN  NET  ASSETS


                                       YEAR  ENDED     YEAR  ENDED
                                       DECEMBER  31,   DECEMBER  31,
INCREASE  (DECREASE)  IN  NET  ASSETS     1999            1998
OPERATIONS:
     NET  INVESTMENT  INCOME             $13,518,818     $12,181,953
     NET  REALIZED  GAIN  (LOSS)             201,884        (24,011)

INCREASE (DECREASE) IN NET ASSETS RESULTING FROM OPERATIONS
                                          13,720,702      12,157,942

DISTRIBUTIONS  TO  SHAREHOLDERS  FROM
     NET  INVESTMENT  INCOME:
          CLASS  O  SHARES               (10,169,908)   (11,791,212)
          CLASS  B  SHARES                    (6,324)          (912)
          CLASS  C  SHARES                   (15,638)        (3,911)
          INSTITUTIONAL  CLASS  SHARES      (998,810)      (390,877)
          CLASS  T  SHARES                (2,335,338)              -
               TOTAL  DISTRIBUTIONS      (13,526,018)   (12,186,912)
CAPITAL  SHARE  TRANSACTIONS:
     SHARES  SOLD:
          CLASS  O  SHARES               362,273,732     400,225,222
          CLASS  B  SHARES                   545,037         170,699
          CLASS  C  SHARES                 1,926,834         657,732
          INSTITUTIONAL  CLASS  SHARES    79,366,483      52,364,180
          CLASS  T  SHARES               166,734,229               -
     REINVESTMENT  OF  DISTRIBUTIONS:
          CLASS  O  SHARES                 9,872,756      11,511,736
          CLASS  B  SHARES                     6,006             869
          CLASS  C  SHARES                    14,787           3,395
          INSTITUTIONAL  CLASS  SHARES       942,859         375,403
          CLASS  T  SHARES                 2,347,451               -
     SHARES  REDEEMED:
          CLASS  O  SHARES              (388,580,940)  (397,714,517)
          CLASS  B  SHARES                  (205,575)       (97,341)
          CLASS  C  SHARES                (1,225,662)      (321,772)
          INSTITUTIONAL  CLASS  SHARES   (80,773,227)   (32,611,557)
          CLASS  T  SHARES               (68,313,390)              -
TOTAL  CAPITAL  SHARE  TRANSACTIONS       84,931,380      34,564,049

TOTAL INCREASE (DECREASE) IN NET ASSETS   85,126,064      34,535,079

NET  ASSETS
BEGINNING  OF  YEAR                      266,559,857     232,024,778
END  OF  YEAR  (INCLUDING  UNDISTRIBUTED  NET  INVESTMENT  INCOME
OF $5,774 AND $12,974, RESPECTIVELY)    $351,685,921    $266,559,857






<PAGE>
                                        YEAR  ENDED     YEAR  ENDED
                                       DECEMBER  31,   DECEMBER  31,
CAPITAL  SHARE  ACTIVITY                  1999            1998
SHARES  SOLD:
          CLASS  O  SHARES               362,273,732     400,225,222
          CLASS  B  SHARES                   545,037         170,699
          CLASS  C  SHARES                 1,926,834         657,732
          INSTITUTIONAL  CLASS  SHARES    79,366,483      52,364,180
          CLASS  T  SHARES               166,734,229               -
REINVESTMENT  OF  DISTRIBUTIONS:
          CLASS  O  SHARES                 9,872,756      11,511,736
          CLASS  B  SHARES                     6,006             869
          CLASS  C  SHARES                    14,787           3,395
          INSTITUTIONAL  CLASS  SHARES       942,859         375,403
          CLASS  T  SHARES                 2,347,451               -
SHARES  REDEEMED:
          CLASS  O  SHARES              (388,580,940)  (397,714,517)
          CLASS  B  SHARES                  (205,575)       (97,341)
          CLASS  C  SHARES                (1,225,662)      (321,772)
          INSTITUTIONAL  CLASS  SHARES   (80,773,227)   (32,611,557)
          CLASS  T  SHARES               (68,313,390)              -
TOTAL  CAPITAL  SHARE ACTIVITY            84,931,380      34,564,049

SEE  NOTES  TO  FINANCIAL  STATEMENTS.

<PAGE>
NOTES  TO  FINANCIAL  STATEMENTS

NOTE  A  -  SIGNIFICANT  ACCOUNTING  POLICIES
GENERAL:  THE  CALVERT FIRST GOVERNMENT MONEY MARKET FUND (THE "FUND"), THE ONLY
SERIES  OF  FIRST  VARIABLE RATE FUND FOR GOVERNMENT INCOME, IS REGISTERED UNDER
THE  INVESTMENT  COMPANY  ACT  OF  1940  AS  A  DIVERSIFIED, OPEN-END MANAGEMENT
INVESTMENT  COMPANY.  THE  FUND  OFFERS  FIVE  CLASSES  OF  SHARES OF BENEFICIAL
INTEREST.  CLASS O SHARES ARE SOLD TO THE PUBLIC, WITH NO FRONT-END SALES CHARGE
AT  THE  TIME  OF  PURCHASE AND NO BACK-END LOAD WHEN THEY ARE REDEEMED. CLASS B
SHARES  MAY  BE  PURCHASED ONLY BY EXCHANGE FROM CLASS B SHARES OF OTHER CALVERT
GROUP  FUNDS.  CLASS  B  SHARES ARE SOLD WITHOUT A FRONT-END SALES CHARGE AT THE
TIME  OF PURCHASE, BUT MAY BE SUBJECT TO A DEFERRED SALES CHARGE UPON REDEMPTION
OF  THE  FUND  IN  WHICH  THE  CLASS B SHARES WERE ORIGINALLY PURCHASED. CLASS C
SHARES  MAY BE PURCHASED ONLY BY EXCHANGE FROM CLASS C SHARES OF ANOTHER CALVERT
GROUP FUND. CLASS C SHARES ARE SOLD WITHOUT A FRONT-END SALES CHARGE AT THE TIME
OF PURCHASE. THEY MAY BE SUBJECT TO A DEFERRED SALES CHARGE IF THEY ARE REDEEMED
WITHIN ONE YEAR AFTER PURCHASE OF THE CLASS C SHARES IN THE ORIGINAL FUND. CLASS
B  AND C SHARES HAVE HIGHER EXPENSES THAN CLASS O SHARES, INCLUDING DISTRIBUTION
PLAN  EXPENSES.  CLASS  O  SHARES  ARE  NOT  SUBJECT  TO  A  DISTRIBUTION  PLAN.
INSTITUTIONAL CLASS SHARES REQUIRE A MINIMUM ACCOUNT BALANCE OF $1,000,000. THEY
HAVE  NO  FRONT-END OR DEFERRED SALES CHARGE. INSTITUTIONAL CLASS SHARES ARE NOT
SUBJECT TO A DISTRIBUTION PLAN. EFFECTIVE MARCH 1, 1999, THE FUND BEGAN TO OFFER
CLASS  T SHARES. CLASS T SHARES ARE SOLD TO INVESTORS WITH BROKERAGE ACCOUNTS AT
THE  ADVISORS GROUP, INC. CLASS T SHARES ARE SOLD WITH NO FRONT-END SALES CHARGE
AT  THE  TIME  OF  PURCHASE AND NO BACK-END LOAD WHEN THEY ARE REDEEMED, AND ARE
SUBJECT  TO  DISTRIBUTION  PLAN  EXPENSES.
SECURITY  VALUATION:  SECURITIES ARE VALUED AT AMORTIZED COST WHICH APPROXIMATES
MARKET.
REPURCHASE  AGREEMENTS:  THE  FUND  MAY  ENTER  INTO  REPURCHASE AGREEMENTS WITH
RECOGNIZED  FINANCIAL  INSTITUTIONS  OR  REGISTERED  BROKER/DEALERS  AND, IN ALL
INSTANCES,  HOLDS  UNDERLYING  SECURITIES  WITH  A  VALUE  EXCEEDING  THE  TOTAL
REPURCHASE  PRICE, INCLUDING ACCRUED INTEREST. ALTHOUGH RISK IS MITIGATED BY THE
COLLATERAL,  THE  FUND  COULD  EXPERIENCE  A DELAY IN RECOVERING ITS VALUE AND A
POSSIBLE  LOSS  OF  INCOME  OR  VALUE  IF  THE  COUNTERPARTY FAILS TO PERFORM IN
ACCORDANCE  WITH  THE  TERMS  OF  THE  AGREEMENT.
SECURITY  TRANSACTIONS  AND  INVESTMENT  INCOME:  SECURITY  TRANSACTIONS  ARE
ACCOUNTED  FOR  ON  TRADE  DATE.  REALIZED  GAINS  AND LOSSES ARE RECORDED ON AN
IDENTIFIED  COST  BASIS. INTEREST INCOME, ACCRETION OF DISCOUNT AND AMORTIZATION
OF  PREMIUM  ARE  RECORDED  ON  AN ACCRUAL BASIS. INVESTMENT INCOME AND REALIZED
GAINS  AND  LOSSES  ARE  ALLOCATED  TO SEPARATE CLASSES OF SHARES BASED UPON THE
RELATIVE  NET  ASSETS OF EACH CLASS. EXPENSES ARISING IN CONNECTION WITH A CLASS
ARE CHARGED DIRECTLY TO THAT CLASS. EXPENSES COMMON TO THE CLASSES ARE ALLOCATED
TO  EACH  CLASS  IN  PROPORTION  TO  THEIR  RELATIVE  NET  ASSETS.
DISTRIBUTIONS  TO  SHAREHOLDERS:  DISTRIBUTIONS  TO SHAREHOLDERS ARE RECORDED BY
THE  FUND
ON  EX-DIVIDEND DATE. DIVIDENDS FROM NET INVESTMENT INCOME ARE ACCRUED DAILY AND
PAID MONTHLY. DISTRIBUTIONS FROM NET REALIZED CAPITAL GAINS, IF ANY, ARE PAID AT
LEAST  ANNUALLY.  DISTRIBUTIONS  ARE  DETERMINED  IN  ACCORDANCE WITH INCOME TAX
REGULATIONS  WHICH  MAY  DIFFER  FROM  GENERALLY ACCEPTED ACCOUNTING PRINCIPLES;
ACCORDINGLY,  PERIODIC  RECLASSIFICATIONS  ARE  MADE  WITHIN  THE FUND'S CAPITAL
ACCOUNTS TO REFLECT INCOME AND GAINS AVAILABLE FOR DISTRIBUTION UNDER INCOME TAX
REGULATIONS.

<PAGE>
ESTIMATES:  THE PREPARATION OF FINANCIAL STATEMENTS IN CONFORMITY WITH GENERALLY
ACCEPTED  ACCOUNTING  PRINCIPLES  REQUIRES  MANAGEMENT  TO  MAKE  ESTIMATES  AND
ASSUMPTIONS  THAT  AFFECT  THE  REPORTED  AMOUNTS  OF ASSETS AND LIABILITIES AND
DISCLOSURE  OF  CONTINGENT  ASSETS  AND LIABILITIES AT THE DATE OF THE FINANCIAL
STATEMENTS  AND THE REPORTED AMOUNTS OF INCOME AND EXPENSES DURING THE REPORTING
PERIOD.  ACTUAL  RESULTS  COULD  DIFFER  FROM  THOSE  ESTIMATES.
EXPENSE  OFFSET  ARRANGEMENTS:  THE  FUND  HAS AN ARRANGEMENT WITH ITS CUSTODIAN
BANK WHEREBY THE CUSTODIAN'S AND TRANSFER AGENT'S FEES MAY BE PAID INDIRECTLY BY
CREDITS  EARNED  ON  THE  FUND'S  CASH  ON DEPOSIT WITH THE BANK. SUCH A DEPOSIT
ARRANGEMENT  IS  AN  ALTERNATIVE  TO  OVERNIGHT  INVESTMENTS.
FEDERAL INCOME TAXES:  NO PROVISION FOR FEDERAL INCOME OR EXCISE TAX IS REQUIRED
SINCE  THE FUND INTENDS TO CONTINUE TO QUALIFY AS A REGULATED INVESTMENT COMPANY
UNDER  THE  INTERNAL  REVENUE  CODE  AND  TO DISTRIBUTE SUBSTANTIALLY ALL OF ITS
TAXABLE  EARNINGS.
NOTE  B  -  RELATED  PARTY  TRANSACTIONS
CALVERT  ASSET  MANAGEMENT  COMPANY,  INC.  (THE  "ADVISOR")  IS WHOLLY-OWNED BY
CALVERT  GROUP,  LTD.  ("CALVERT"), WHICH IS INDIRECTLY WHOLLY-OWNED BY AMERITAS
ACACIA  MUTUAL  HOLDING  COMPANY  ("AMERITAS  ACACIA").  THE  ADVISOR  PROVIDES
INVESTMENT  ADVISORY  SERVICES  AND  PAYS  THE SALARIES AND FEES OF OFFICERS AND
AFFILIATED  TRUSTEES  OF  THE  FUND.  FOR  ITS  SERVICES, THE ADVISOR RECEIVES A
MONTHLY  FEE  BASED  ON  THE FOLLOWING ANNUAL RATES OF AVERAGE DAILY NET ASSETS:
 .25% ON THE FIRST $500 MILLION, .225% ON THE NEXT $400 MILLION, .20% ON THE NEXT
$400  MILLION,  .175%  ON  THE  NEXT  $700  MILLION AND .15% ON THE EXCESS OF $2
BILLION.  UNDER  THE  TERMS  OF THE AGREEMENT, $133,561 WAS PAYABLE AT YEAR END.
THE  ADVISORS  GROUP,  INC., ("TAG"), ALSO A WHOLLY-OWNED SUBSIDIARY OF AMERITAS
ACACIA,  IS  A  BROKER-DEALER.  TAG OFFERS CLASS T SHARES AS A SWEEP ACCOUNT FOR
ITS  BROKERAGE  CUSTOMERS.
CALVERT  ADMINISTRATIVE  SERVICES COMPANY, AN AFFILIATE OF THE ADVISOR, PROVIDES
ADMINISTRATIVE  SERVICES  TO THE FUND FOR AN ANNUAL FEE. CLASS O, CLASS B, CLASS
C, AND CLASS T PAY AN ANNUAL RATE OF .25% AND INSTITUTIONAL CLASS PAYS AN ANNUAL
RATE  OF  .05%,  BASED ON THEIR AVERAGE DAILY NET ASSETS. UNDER THE TERMS OF THE
AGREEMENT,  $69,812  WAS  PAYABLE  AT  YEAR  END.
CALVERT  DISTRIBUTORS, INC., AN AFFILIATE OF THE ADVISOR, IS THE DISTRIBUTOR AND
PRINCIPAL  UNDERWRITER  FOR THE FUND. DISTRIBUTION PLANS, ADOPTED BY CLASS B,  C
AND  T  SHARES,  ALLOW THE FUND TO PAY THE DISTRIBUTOR FOR EXPENSES AND SERVICES
ASSOCIATED  WITH  DISTRIBUTION  OF SHARES. THE EXPENSES PAID MAY NOT EXCEED 1.0%
ANNUALLY  OF AVERAGE DAILY NET ASSETS OF CLASS B AND CLASS C AND .25% OF AVERAGE
DAILY  NET  ASSETS  OF  CLASS  T.  UNDER THE TERMS OF THE AGREEMENT, $22,249 WAS
PAYABLE  AT  YEAR  END.
CALVERT SHAREHOLDER SERVICES, INC. ("CSSI"), AN AFFILIATE OF THE ADVISOR, IS THE
SHAREHOLDER  SERVICING AGENT FOR THE FUND. FOR ITS SERVICES, CSSI RECEIVED A FEE
OF  $216,277 FOR THE YEAR ENDED DECEMBER 31, 1999. UNDER TERMS OF THE AGREEMENT,
$17,748  WAS PAYABLE AT YEAR END. NATIONAL FINANCIAL DATA SERVICES, INC., IS THE
TRANSFER  AND  DIVIDEND  DISBURSING  AGENT.
EACH  TRUSTEE  WHO  IS NOT AFFILIATED WITH THE ADVISOR RECEIVED AN ANNUAL FEE OF
$20,500 PLUS UP TO $1,500 FOR EACH BOARD AND COMMITTEE MEETING ATTENDED. TRUSTEE
FEES  ARE  ALLOCATED  TO  EACH  OF  THE  FUNDS  SERVED.

<PAGE>
NOTE  C  -  INVESTMENT  ACTIVITY
THE  COST  OF  INVESTMENTS OWNED AT DECEMBER 31, 1999 WAS SUBSTANTIALLY THE SAME
FOR  FEDERAL  INCOME  TAX  AND  FINANCIAL  REPORTING  PURPOSES.  THE TABLE BELOW
PRESENTS  THE  NET  CAPITAL  LOSS  CARRYFORWARDS  AS  OF  DECEMBER 31, 1999 WITH
EXPIRATION  DATES:
     CAPITAL LOSS CARRYFORWARDS          EXPIRATION DATES
              25,746                             12/31/00
               9,320                             12/31/01
              24,011                             12/31/06
CAPITAL  LOSS CARRYFORWARDS MAY BE UTILIZED TO OFFSET CURRENT AND FUTURE CAPITAL
GAINS  UNTIL  EXPIRATION.
THE  FUND  MAY  SELL  OR  PURCHASE  SECURITIES  FROM  OTHER FUNDS MANAGED BY THE
ADVISOR,  PRIMARILY  AS  A CASH MANAGEMENT PRACTICE. FOR THE YEAR ENDED DECEMBER
31,  1999,  THE  FUND EFFECTED TRANSACTIONS WITH OTHER CALVERT PORTFOLIOS, WHICH
RESULTED  IN NET REALIZED GAIN ON SALES OF SECURITIES OF $162,209. THE PURCHASES
AND  SALES  TRANSACTIONS,  EXECUTED  AT INDEPENDENTLY DERIVED PRICES PURSUANT TO
RULE  17A-7  UNDER THE INVESTMENT COMPANY ACT OF 1940, WERE $0, AND $18,076,437,
RESPECTIVELY.
NOTE  D  -  LINE  OF  CREDIT
A  FINANCING  AGREEMENT IS IN PLACE WITH ALL CALVERT GROUP FUNDS (EXCEPT FOR THE
CALVERT  SOCIAL  INVESTMENT  FUND  MANAGED  INDEX  AND  CVS  AMERITAS  INDEX 500
PORTFOLIOS)  AND  STATE  STREET  BANK  AND TRUST COMPANY ("THE BANK"). UNDER THE
AGREEMENT,  THE  BANK  IS PROVIDING AN UNSECURED LINE OF CREDIT FACILITY, IN THE
AGGREGATE  AMOUNT  OF  $50  MILLION  ($25  MILLION  COMMITTED  AND  $25  MILLION
UNCOMMITTED),  TO  BE  ACCESSED BY THE FUNDS FOR TEMPORARY OR EMERGENCY PURPOSES
ONLY.  BORROWINGS  UNDER  THIS  FACILITY  BEAR INTEREST AT THE OVERNIGHT FEDERAL
FUNDS  RATE  PLUS  .50%  PER  ANNUM.  A COMMITMENT FEE OF .10% PER ANNUM WILL BE
INCURRED ON THE UNUSED PORTION OF THE COMMITTED FACILITY WHICH WILL BE ALLOCATED
TO  ALL  PARTICIPATING FUNDS. THE FUND HAD NO LOANS OUTSTANDING PURSUANT TO THIS
LINE  OF  CREDIT  AT  DECEMBER  31,  1999.


<PAGE>
FINANCIAL  HIGHLIGHTS

                                       YEARS  ENDED
                      DECEMBER  31,    DECEMBER  31,   DECEMBER  31,
CLASS  O  SHARES         1999             1998            1997
NET ASSET VALUE, BEGINNING    $1.00            $1.00           $1.00
INCOME  FROM  INVESTMENT  OPERATIONS
     NET  INVESTMENT  INCOME   .043             .048            .049
DISTRIBUTIONS  FROM
     NET  INVESTMENT  INCOME  (.043)           (.048)         (.049)
NET  ASSET  VALUE,  ENDING    $1.00            $1.00           $1.00

TOTAL  RETURN                  4.38%            4.93%          5.00%
RATIOS  TO  AVERAGE  NET  ASSETS:
     NET  INVESTMENT  INCOME   4.28%            4.82%          4.88%
     TOTAL  EXPENSES            .82%             .81%           .82%
     EXPENSES  BEFORE  OFFSETS  .82%             .81%           .82%
     NET  EXPENSES              .81%             .79%           .80%
NET ASSETS, ENDING (IN THOUSANDS)
                           $229,754         $246,019        $232,025




                                              YEARS  ENDED
                                       DECEMBER  31,   DECEMBER  31,
CLASS  O  SHARES                          1996            1995
NET  ASSET  VALUE,  BEGINNING                  $1.00           $1.00
INCOME  FROM  INVESTMENT  OPERATIONS
     NET  INVESTMENT  INCOME                    .047            .051
DISTRIBUTIONS  FROM
     NET  INVESTMENT  INCOME                   (.047)         (.051)
NET  ASSET  VALUE,  ENDING                     $1.00           $1.00

TOTAL  RETURN                                   4.79%          5.22%
RATIOS  TO  AVERAGE  NET  ASSETS:
     NET  INVESTMENT  INCOME                    4.69%          5.04%
     TOTAL  EXPENSES                             .86%           .89%
     EXPENSES  BEFORE  OFFSETS                   .86%           .89%
     NET  EXPENSES                               .85%           .88%
NET  ASSETS,  ENDING  (IN  THOUSANDS)       $239,420        $241,150




<PAGE>
FINANCIAL  HIGHLIGHTS

                                            PERIODS  ENDED
                                       DECEMBER  31,   DECEMBER  31,
CLASS  B  SHARES                          1999            1998^
NET  ASSET  VALUE,  BEGINNING                  $1.00           $1.00
INCOME  FROM  INVESTMENT  OPERATIONS
     NET  INVESTMENT  INCOME                    .031            .027
DISTRIBUTIONS  FROM
     NET  INVESTMENT  INCOME                   (.031)         (.027)
NET  ASSET  VALUE,  ENDING                     $1.00           $1.00

TOTAL  RETURN                                   3.11%          2.72%
RATIOS  TO  AVERAGE  NET  ASSETS:
     NET  INVESTMENT  INCOME                    3.18%       3.28%(A)
     TOTAL  EXPENSES                            8.09%      36.93%(A)
     EXPENSES  BEFORE  OFFSETS                  2.02%       2.02%(A)
     NET  EXPENSES                              2.00%       2.00%(A)
NET  ASSETS,  ENDING  (IN  THOUSANDS)           $420             $74





                                            PERIODS  ENDED
                                       DECEMBER  31,   DECEMBER  31,
CLASS  C  SHARES                          1999            1998^^
NET  ASSET  VALUE,  BEGINNING                  $1.00           $1.00
INCOME  FROM  INVESTMENT  OPERATIONS
     NET  INVESTMENT  INCOME                    .031            .020
DISTRIBUTIONS  FROM
     NET  INVESTMENT  INCOME                   (.031)         (.020)
NET  ASSET  VALUE,  ENDING                     $1.00           $1.00

TOTAL  RETURN                                   3.12%          2.06%
RATIOS  TO  AVERAGE  NET  ASSETS:
     NET  INVESTMENT  INCOME                    3.22%       3.35%(A)
     TOTAL  EXPENSES                            4.75%       8.46%(A)
     EXPENSES  BEFORE  OFFSETS                  2.02%       2.02%(A)
     NET  EXPENSES                              2.00%       2.00%(A)
NET  ASSETS,  ENDING  (IN  THOUSANDS)         $1,056            $339



<PAGE>
FINANCIAL  HIGHLIGHTS


                                           PERIODS  ENDED
                                       DECEMBER  31,   DECEMBER  31,
INSTITUTIONAL  CLASS  SHARES              1999            1998^^^
NET  ASSET  VALUE,  BEGINNING                  $1.00           $1.00
INCOME  FROM  INVESTMENT  OPERATIONS
     NET  INVESTMENT  INCOME                    .047            .015
DISTRIBUTIONS  FROM
     NET  INVESTMENT  INCOME                   (.047)         (.015)
NET  ASSET  VALUE,  ENDING                     $1.00           $1.00

TOTAL  RETURN                                   4.84%          1.49%
RATIOS  TO  AVERAGE  NET  ASSETS:
     NET  INVESTMENT  INCOME                    4.72%       4.95%(A)
     TOTAL  EXPENSES                             .50%        .43%(A)
     EXPENSES  BEFORE  OFFSETS                   .38%        .34%(A)
     NET  EXPENSES                               .37%        .32%(A)
NET  ASSETS,  ENDING  (IN  THOUSANDS)        $19,679         $20,128







                                                       PERIOD  ENDED
                                                       DECEMBER  31,
CLASS  T  SHARES                                            1999^^^^
NET  ASSET  VALUE,  BEGINNING                                  $1.00
INCOME  FROM  INVESTMENT  OPERATIONS
     NET  INVESTMENT  INCOME                                    .035
DISTRIBUTIONS  FROM
     NET  INVESTMENT  INCOME                                  (.035)
NET  ASSET  VALUE,  ENDING                                     $1.00

TOTAL  RETURN                                                  3.59%
RATIOS  TO  AVERAGE  NET  ASSETS:
     NET  INVESTMENT  INCOME                                4.29%(A)
     TOTAL  EXPENSES                                         .95%(A)
     EXPENSES  BEFORE  OFFSETS                               .95%(A)
     NET  EXPENSES                                           .94%(A)
NET  ASSETS,  ENDING  (IN  THOUSANDS)                       $100,778




(A)     ANNUALIZED
^     FROM  APRIL  1,1998  INCEPTION
^^     FROM  JUNE  1,  1998  INCEPTION
^^^  FROM  SEPTEMBER  16,  1998  INCEPTION
^^^^  FROM  MARCH  1,  1999  INCEPTION

<PAGE>
CALVERT
FIRST
GOVERNMENT
MONEY
MARKET
FUND






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INFORMATION  TO
SHAREHOLDERS.  IT  IS  NOT  AUTHORIZED  FOR
DISTRIBUTION  TO
PROSPECTIVE INVESTORS UNLESS PRECEDED OR ACCOMPANIED BY A PROSPECTUS.




















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