CALVERT FUND
485APOS, 1998-11-13
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SEC Registration Nos.
2-76510 and 811-3416

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C.  20549

FORM N-1A

REGISTRATION STATEMENT UNDER THE
SECURITIES ACT OF 1933

         Post-Effective Amendment No. 38              XX 

and/or

REGISTRATION STATEMENT UNDER THE
INVESTMENT COMPANY ACT OF 1940

         Amendment No. 38                    XX 


The Calvert Fund
 (Exact Name of Registrant as Specified in Charter)

4550 Montgomery Avenue
Suite 1000N
Bethesda, Maryland  20814
(Address of Principal Executive Offices)

Registrant's Telephone Number:  (301) 951-4800

William M. Tartikoff, Esq.
4550 Montgomery Avenue
Suite 1000N
Bethesda, Maryland  20814
(Name and Address of Agent for Service)


It is proposed that this filing will become effective

__ Immediately upon filing              on March 31, 1998)
pursuant to paragraph (b)               pursuant to paragraph (b)

___60 days after filing                 XX January 28, 1999
pursuant to paragraph (a)               pursuant to paragraph (a)
                                           of Rule 485.

<PAGE>
 


PROSPECTUS
January 31, 1999






Equity Funds:

Calvert Social Investment Fund (CSIF) Balanced
CSIF Managed Index
CSIF Equity
Calvert Capital Accumulation
Calvert World Values International Equity
Calvert New Vision  Small Cap




Bond and Money Market Funds:
CSIF Bond
CSIF Money Market








These securities have not been approved or disapproved by the Securities and
Exchange Commission or any State Securities Commission, nor has the Federal or
any State Securities Commission passed on the accuracy or adequacy of this
prospectus.  Any representation to the contrary is a criminal offense.






TABLE OF CONTENTS

About the Funds:
Investment objective, strategy, past performance
Fees and Expenses
Principal Investment Practices and Risks
About Social Investing:
Socially Responsible Investment Criteria
Investment Selection Process
High Social Impact Investments
Special Equities
About Your Investment
Subadvisors and Portfolio Managers
Advisory Fees
How to Buy Shares
Getting Started
Choosing a Share Class
Calculation of CDSC/Waiver
Distribution and Service Fees
Account Application
Important - How Shares are Priced
When Your Account Will be Credited
Other Calvert Group Features (Exchanges, Minimum Account Balance, etc.)
Dividends, Capital Gains and Taxes
How to Sell Shares
Financial Highlights
Exhibit A- Reduced Sales Charges (Class A)
Exhibit B- Service Fees and Other Arrangements with Dealers















CSIF Balanced

Advisor                        Calvert Asset Management Company, Inc.
Subadvisors:                   Brown Capital Management, Inc.
                               NCM Capital Management, Inc.

Objective
CSIF Balanced seeks to achieve a competitive total return through an actively
managed portfolio of  stocks, bonds and money market instruments which offer
income and capital growth opportunity and which satisfy the investment and
social concern criteria.

Principal investment strategies --The Fund typically invests about 60% of its
assets in stocks and 40% in bonds or other fixed-income investments.  Stock
investments are primarily common stock in large-cap companies, while the
fixed-income investments are primarily a wide variety of investment grade
bonds.
CSIF Balanced invests in a combination of stocks, bonds and money market
instruments in an attempt to provide a complete investment portfolio in a
single product. The Advisor rebalances the Fund quarterly to adjust for
changes in market value.  The Fund is a large-cap, growth-oriented U.S.
domestic portfolio, although it may have other investments, including some
foreign securities.  For the equity portion, the Fund seeks companies with
better than average expected growth rates at lower than average valuations.
The fixed-income portion reflects an active trading strategy, seeking total
return.

Equity investments are selected by the two Subadvisors, while the Advisor
manages the fixed-income assets and determines the overall mix for the Fund
depending upon its view of market conditions and economic outlook.


Principal risks--  You could lose money on your investment in the Fund, or the
Fund could underperform for any of the following reasons:

The stock or bond market goes down
The individual stocks and bonds in the Fund do not perform as well as expected
For the fixed-income portion of the Fund, the Advisor's forecast as to
interest rates is not correct
o    The Advisor's allocation among different sectors of the stock and bond
      markets does not perform as well as expected

An investment in the Fund is not a bank deposit and is not insured or
guaranteed by the Federal Deposit Insurance Corporation or any other
government agency.

Bar Chart and Performance Table

The bar chart and table below show the Fund's annual returns and its long-term
performance.  The chart shows how the performance of the Class A shares has
varied from year to year.  The table compares the Fund's performance over time
to that of the Standard & Poor's 500 Index and the Lehman Aggregate Bond
Index, a widely recognized, unmanaged index of common stock and bonds prices,
respectively.  It also shows the Fund's returns compared to the Lipper
Balanced Funds Index, a composite index of the annual return of mutual funds
that have an investment goal similar to that of the Fund.  The Fund's past
performance does not necessarily indicate how the Fund will perform in the
future.

The return for the Fund's other classes of shares offered by this prospectus
will differ from the Class A returns shown in the bar chart, depending upon
the expenses of that Class.  The bar chart does not reflect any sales charge
that you may be required to pay upon purchase or redemption of the Fund's
shares.  Any sales charge will reduce your return.  The average total return
table shows returns with the maximum sales charge deducted.  No sales charge
has been applied to the index and average used for comparison in the table.

BAR CHART
Calendar year                  (Class A return at NAV)
% return

1988             1989          1990            1991          1998
___%            ___%            ___%           ____%         ___%
Best Quarter: (of period shown ) QX '9X
Worst Quarter: (of period shown QX '9X

Average annual total returns
for the periods ended December 31, 1998

                               1 year          5 years     10 years
CSIF Balanced: Class A        ______$           _____%      _____%
CSIF Balanced: Class B            1             NA          NA
CSIF Balanced: Class C        _____%           2            NA
S&P 500 Index Monthly
  Reinvested                  _____%           _____%      ______%
Lehman Aggregate
Bond Index TR                 _____%           _____%     _______%
Lipper Balanced Funds         _____%          ______%      ______%
Index

     1 From inception (4/1/98)    ___%;
       2 From inception (3/ /94)  ___%




CSIF Managed Index

Advisor                        Calvert Asset Management Company, Inc.
Subadvisor:                    State Street Global Advisors

Objective
CSIF Managed Index seeks a total return after expenses which exceeds over time
the total return of the Russell 1000 Index.  It seeks to obtain this objective
while maintaining risk characteristics similar to those of the Russell 1000
Index and through investments in stocks that meet the fund's investment and
social criteria.  This objective may be changed by the Fund's Board of
Trustees/Directors without shareholder approval.

Principal investment strategies:  The Fund invests in stocks that meet the
social criteria and creates a portfolio whose characteristics closely resemble
the characteristics of the Russell 1000 Index, while emphasizing the stocks
which it believes offer the greatest potential of return. CSIF Managed Index
follows an enhanced index management strategy.  Instead of passively holding a
representative basket of securities designed to match the Russell 1000 Index,
the Subadvisor actively uses a proprietary analytical model to attempt to
enhance the Fund's performance, relative to the Index.  The Fund may purchase
stocks not in the Russell 1000 Index, but at least 65% of the Fund's total
assets will be invested in stocks that are in the Index.  Any investments not
in the Index will meet the Fund's social screening criteria and be selected to
closely mirror the Index's risk/return characteristics.  The Subadvisor
rebalances the Fund quarterly to maintain its relative exposure to the Index.


Principal risks:   You could lose money on your investment in the Fund, or the
Fund could underperform the stock market for any of the following reasons:

The stock market goes down
The individual stocks in the Fund or the index modeling portfolio do not
perform as well as expected
An index fund has operating expenses; a market index does not.  The Fund-while
expected to track its target index as closely as possible while satisfying its
investment and social criteria - will not be able to  match the performance of
the index exactly

An investment in the Fund is not a bank deposit and is not insured or
guaranteed by the Federal Deposit Insurance Corporation or any other
government agency.  The Fund is not sponsored, sold, promoted or endorsed by
the Frank Russell Company.








CSIF Equity

Advisor                        Calvert Asset Management Company, Inc.
Subadvisors:                   Atlanta Capital Management Company, L.L.C.

Objective
CSIF Equity seeks growth of capital through investment in stocks of issuers in
industries believed to offer opportunities for potential capital appreciation
and which meet the Fund's investment and social criteria.

Principal investment strategies - The Fund invests primarily in the common
stocks of large-cap companies, having, on average, market capitalization of at
least $1 billion.  Investment returns will be mostly from changes in the price
of the Fund's holdings (capital appreciation).

Principal risks:  You could lose money on your investment in the Fund, or the
Fund could underperform for any of the following reasons:

The stock market goes down
The individual stocks in the Fund do not perform as well as expected
An investment in the Fund is not a bank deposit and is not insured or
guaranteed by the Federal Deposit Insurance Corporation or any other
government agency.

Bar Chart and Performance Table

The bar chart and table below show the Fund's annual returns and its long-term
performance.  The chart shows how the performance of the Class A shares has
varied from year to year.  The table compares the Fund's performance over time
to that of the Standard & Poor's 500 Index.  This is a widely recognized,
unmanaged index of common stock prices.  It also shows the Fund's returns
compared to the Lipper Growth Funds Index, a composite index of the annual
return of mutual funds that have an investment goal similar to that of the
Fund.  The Fund's past performance does not necessarily indicate how the Fund
will perform in the future.

The return for each of the Fund's other Classes of shares offered by this
prospectus will differ from the Class A returns shown in the bar chart,
depending upon the expenses of that Class.  The bar chart does not reflect any
sales charge that you may be required to pay upon purchase or redemption of
the Fund's shares.  Any sales charge will reduce your return.  The average
total return table shows returns with the maximum sales charge deducted. No
sales charge has been applied to the index and average used for comparison in
the table.

BAR CHART
Calendar year                  (Class A return at NAV)
% return

1988           1989              1990         1991        1998
___%           ___%              ____%        ___%          ___%
Best Quarter: (of periods shown) QX '9X
Worst Quarter: (of periods shown) QX '9X



Average annual total returns
for the periods ended December 31, 1998

                               1 year    5 years  10 years
CSIF Equity: Class A           _____%     ____%   _____%
CSIF Equity: Class B             1        N/A      N/A
CSIF Equity: Class C           _____%           2     N/A
S&P 500 Index Monthly
          Reinvested           _____%     _____%    _____%
Lipper Growth Funds            _____%     _____%    _____%
Index

 1 From inception (4/1/98) ____%;
 2 From inception (3/ /94) ____%








Calvert Capital Accumulation

Advisor                    Calvert Asset Management Company, Inc.
Subadvisor:                    Brown Capital Management, Inc.
 
Objective

CWVF Capital Accumulation seeks to provide long-term capital appreciation by
investing primarily in mid-cap stocks that meet the Fund's investment and
social criteria.  This objective may be changed by the Fund's Board of
Trustees/Directors without shareholder approval.

Principal investment strategies -- investments are primarily in the common
stocks of mid-size companies.  Returns in the Fund will be mostly from the
changes in the price of the Fund's holdings (capital appreciation.) The Fund
currently defines mid-cap companies as those within the range of market
capitalizations of the S & P's Mid-cap 400 Index.  Stocks chosen for the Fund
combine growth and value characteristics or offer the opportunity to buy
growth at a reasonable price.

Principal risks: You could lose money on your investment in the Fund, or the
Fund could underperform for any of the following reasons:

The stock market goes down
The individual stocks in the Fund  do not perform as well as expected
The Fund is non-diversified.  Compared to other funds, the Fund may invest
more of its assets in a smaller number of companies. Gains or losses on a
single stock may have greater impact on the Fund.
An investment in the Fund is not a bank deposit and is not insured or
guaranteed by the Federal Deposit Insurance Corporation or any other
government agency.

Bar Chart and Performance Table

The bar chart and table below show the Fund's annual returns and its long-term
performance.  The chart shows how the performance of the Class A shares has
varied from year to year.  The table compares the Fund's performance over time
to that of the Standard & Poor's  Mid-Cap 400 Index.  This is a widely
recognized, unmanaged index of common stock prices.  It also shows the Fund's
returns compared to the Lipper Mid-Cap Funds Index, a composite index of the
annual return of mutual funds that have an investment goal similar to that of
the Fund.  The Fund's past performance does not necessarily indicate how the
Fund will perform in the future.

The return for the Fund's other classes of shares offered by this prospectus
will differ from the Class A returns shown in the bar chart, depending upon
the expenses of that Class.  The bar chart does not reflect any sales charge
that you may be required to pay upon purchase or redemption of the Fund's
shares.  Any sales charge will reduce your return.  The average total return
table shows returns with the maximum sales charge deducted. No sales charge
has been applied to the index and average used for comparison in the table.

BAR CHART

Calendar year                  (Class A return at NAV)
% return

1988            1989           1990           1991       1998
___%            ___%           ____%          ____%      ___%

Best Quarter: (of periods shown) QX '9X
Worst Quarter: (of periods shown) QX '9X

Average annual total returns
for the periods ended December 31, 1998

                                    1 year      5 years     10 years
CWVF Capital Accum: Class A         _____%     _____%      _____%
CWVF Capital Accum: Class B         1            NA           NA
CWVF Capital Accum: Class C         _____%       2            NA
S&P Mid-Cap 400 Index               _____%     _____%      _____%
Lipper Mid-Cap Funds Index          _____%     _____%      _____%

1 From inception (4/1/98) ____%;
2 From inception (3/ /94) ____%








Calvert World Values International Equity Fund

Advisor                    Calvert Asset Management Company, Inc.
Subadvisor:                    Murray Johnstone International, Ltd.

Objective

CWVF International Equity seeks to provide a high total return consistent with
reasonable risk by investing primarily in a globally diversified portfolio of
stocks that meet the Fund's investment and social criteria.

Principal investment strategies: The Fund identifies those countries with
markets and economies that it believes currently provide the most favorable
climate for investing.  The Fund invests primarily in the common stocks of
mid- to large-cap companies using a value approach. The Fund invests primarily
in more developed economies and markets, with some investments in emerging
markets. No more than 5% of Fund assets are invested in the U.S. (excluding
High Social Impact and Special Equities investments).
 
Principal risks: You could lose money on your investment in the Fund, or the
Fund could underperform for any of the following reasons:

The stock markets (including those outside the U.S.) go down
The individual stocks in the Fund do not perform as well as expected
Foreign currency values go down versus the U.S. dollar

An investment in the Fund is not a bank deposit and is not insured or
guaranteed by the Federal Deposit Insurance Corporation or any other
government agency.

Bar Chart and Performance Table

The bar chart and table below show the Fund's annual returns and its long-term
performance.  The chart shows how the performance of the Class A shares has
varied from year to year.  The table compares the Fund's performance over time
to that of the Morgan Stanley Capital International EAFE Index.  This is a
widely recognized, unmanaged index of common stock prices around the world.
It also shows the Fund's returns compared to the Lipper International Funds
Index, a composite index of the annual return of mutual funds that have an
investment goal similar to that of the Fund.  The Fund's past performance does
not necessarily indicate how the Fund will perform in the future.

The return for the Fund's other Classes of shares offered by this prospectus
will differ from the Class A returns shown in the bar chart, depending upon
the expenses of that Class.  The bar chart does not reflect any sales charge
that you may be required to pay upon purchase or redemption of the Fund's
shares.  Any sales charge will reduce your return.  The average total return
table shows returns with the maximum sales charge deducted. No sales charge
has been applied to the index and average used for comparison in the table.

BAR Chart
Calendar year                  (Class A return at NAV)
% return

1988         1989           1990          1991        1998
_____%      _____%          _____%         ____%       ____%

Best Quarter: (of periods shown) QX '9X
Worst Quarter: (of periods shown) QX '9X


Average annual total returns
for the periods ended December 31, 1998

                                     1 year      5 years    10 years
CWVF International Eq.: Class A       _____%      _____%      _____%
CWVF International Eq.: Class B      1            _____%          NA
CWVF International Eq.: Class C       _____%           2          NA
MSCI EAFE Index GD                    _____%      _____%      _____%
Lipper International Funds Index      _____%      _____%      _____%

1 From inception (4/1/98)  ____%;
 2 From inception (3/ /94) ____%







Calvert New Vision Small Cap
 
Advisor                    Calvert Asset Management Company, Inc.
Subadvisor:                Awad & Asset Management Company

Objective

New Vision Small Cap seeks to provide long-term capital appreciation by
investing primarily in small-cap stocks that meets the Fund's investment and
social criteria.  This objective may be changed by the Fund's Board of
Trustees/Directors without shareholder approval.

Principal Investment Strategies -- investments are primarily in the common
stocks of small-cap companies. Returns in the Fund will be mostly from the
changes in the price of the Fund's holdings (capital appreciation.) The Fund
currently defines small-cap companies as those with market capitalization of
$1 billion or less at the time the Fund initially invests.

Principal risks: You could lose money on your investment in the Fund, or the
Fund could underperform for any of the following reasons:

The stock market goes down
The individual stocks in the Fund do not  perform as well as expected
Prices of small-cap stocks may respond to market activity differently than
larger more established companies
 
An investment in the Fund is not a bank deposit and is not insured or
guaranteed by the Federal Deposit Insurance Corporation or any other
government agency.

Bar Chart and Performance Table

The bar chart and table below show the Fund's annual returns and its long-term
performance.  The chart shows how the performance of the Class A shares has
varied from year to year.  The table compares the Fund's performance over time
to that of the Russell 2000 Index.  This is a widely recognized, unmanaged
index of common stock prices.  It also shows the Fund's returns compared to
the Lipper Small-Cap Funds Index, a composite index of the annual return of
mutual funds that have an investment goal similar to that of the Fund.  The
Fund's past performance does not necessarily indicate how the Fund will
perform in the future.

The return for the Fund's other Classes of shares offered by this prospectus
will differ from the Class A returns shown in the bar chart, depending upon
the expenses of that Class.  The bar chart does not reflect any sales charge
that you may be required to pay upon purchase or redemption of the Fund's
shares.  Any sales charge will reduce your return.  The average total return
table shows returns with the maximum sales charge deducted. No sales charge
has been applied to the index and average used for comparison in the table.

BAR CHART
Calendar year                  (Class A return at NAV)
% return

1988         1989             1990           1991         1998
___%         ___%             ___%          _____%        _____%

Best Quarter: (of periods shown) QX '9X
Worst Quarter: (of periods shown) QX '9X


Average annual total returns
for the periods ended December 31, 1998

                                     1 year      5 years    10 years
New Vision Small Cap: Class A        _____%        1        NA
New Vision Small Cap: Class B           2          NA       NA
New Vision Small Cap: Class C       _____%         3        NA
Russell 2000 Index TR               _____%       _____%    _____%
Lipper Small-Cap Funds
Index                               _____%       _____%    _____%

1 From inception (      ) ____%;
2 From inception (      ) ____%
3 From inception (      ) ____%








CSIF Bond

Advisor:      Calvert Asset Management Company, Inc.

Objective
CSIF Bond seeks to provide as high a level of current income as is consistent
with prudent investment risk and preservation of capital through investment in
bonds and other straight debt securities meeting the Fund's investment and
social criteria.

Principal investment strategies:  The Fund uses an active strategy, seeking
relative value to earn incremental income.  The Fund typically invests at
least 65% of its assets in investment grade debt securities.

Principal risks  You could lose money on your investment in the Fund, or the
Fund could underperform , most likely for any of the following reasons:

The bond market goes down
The individual bonds in the Fund do not perform as well as expected
The Advisor's forecast as to interest rates is not correct
o    The Advisor's allocation among different sectors of the bond market does
not perform as well
as expected
The Fund is non-diversified.  Compared to other funds, the Fund may invest
more of its assets in a smaller number of companies. Gains or losses on a
single stock may have greater impact on the Fund.
An investment in the Fund is not a bank deposit and is not insured or
guaranteed by the Federal Deposit Insurance Corporation or any other
government agency.

Bar Chart and Performance Table

The bar chart and table below show the Fund's annual returns and its long-term
performance.  The chart shows how the performance of the Class A shares has
varied from year to year.  The table compares the Fund's performance over time
to that of the Lehman Aggregate Bond Index .  This is a widely recognized,
unmanaged index of bond prices.  It also shows the Fund's returns compared to
the Lipper Corporate Debt Funds A Rated Index, a composite index of the annual
return of mutual funds that have an investment goal similar to that of the
Fund.  The Fund's past performance does not necessarily indicate how the Fund
will perform in the future.

The return for the Fund's other Classes of shares offered by this prospectus
will differ from the Class A returns shown in the bar chart, depending upon
the expenses of that Class.  The bar chart does not reflect any sales charge
that you may be required to pay upon purchase or redemption of the Fund's
shares.  Any sales charge will reduce your return.  The average total return
table shows returns with the maximum sales charge deducted. No sales charge
has been applied to the index and average used for comparison in the table.

BAR CHART
Calendar year                  (Class A return at NAV)
% return

1988        1989          1990            1991          1998
___%        _____%        _____%          _____%        _____%


Best Quarter: (of periods shown) QX '9X
Worst Quarter: (of periods shown) QX '9X



Average annual total returns
for the periods ended December 31, 1998

                               1 year      5 years    10 years
CSIF Bond: Class A             _____%      _____%      _____%
CSIF Bond: Class B                  1       NA            NA
CSIF Bond: Class C                  2       NA            NA
Lehman Aggregate
Bond Index TR                  _____%      _____%      _____%
Lipper Corporate Debt
   Funds A Rated Index         _____%      _____%      _____%

1 From inception (4/1/98)     ____%
2 From inception (      98)   ____%





CSIF Money Market

Advisor:      Calvert Asset Management Company, Inc.

Objective

CSIF Money Market seeks to provide the highest level of current income,
consistent with liquidity, safety and security of capital, through investment
in money market instruments meeting the Fund's investment and social criteria

Principal investment strategies - The Fund invests in high quality, money
market instruments, such as commercial paper, variable rate demand notes,
corporate, agency and taxable municipal obligations.  All investments must
comply with the SEC money market fund requirements under Rule 2a-7. The Fund's
yield will change in response to market interest rates.  In general, as market
rates go up so will the Fund's yield, and vice versa.  Although the Fund tries
to keep the value of its shares constant at $1.00 per share, extreme changes
in market rates, and or sudden credit deterioration of a holding could, cause
the value to decrease.  The Fund limits the amount it invests in any one
issuer to try to lessen its exposure.

Principal risks -- An investment in the Fund is not a bank deposit and is not
insured or guaranteed by the Federal Deposit Insurance Corporation or any
other government agency.  Although the Fund seeks to preserve the value of
your investment at $1.00 per share, it is still possible to lose money by
investing in the Fund.

Bar Chart and Performance Table

The bar chart and table below show the Fund's annual returns and its long-term
performance.  The chart shows how the performance has varied from year to
year.  The table compares the Fund's returns over time to the Lipper Money
Market Funds Index, a composite index of the annual return of mutual funds
that have an investment goal similar to that of the Fund.  The Fund's past
performance does not necessarily indicate how the Fund will perform in the
future.

BAR CHART
Calendar year
% return

1988        1989             1990           1991         1998
___%        ___%             ___%           ____%        ____%


Best Quarter: (of periods shown) QX '9X
Worst Quarter: (of periods shown) QX '9X


Average annual total returns
for the periods ended December 31, 1998

                         1 year      5 years    10 years
CSIF Money Market         __%            __%      __%
Lipper Money Market 
     Funds Index          __%            __%      __%


For current yield information, call __________________.


 .



Fees and Expenses
This table describes the fees and expenses that you may pay if you buy and
hold shares of a Fund.  Shareholder fees are paid directly from your account;
annual Fund operating expenses are deducted from Fund assets.

CLASS A                        Bal   Indx1   Eqty  Cap  Int'l   NV   Bd     MM

Shareholder fees
                              4.75   4.75    4.75  4.75  4.75  4.75  3.75   None
  Maximum sales charge (load) 
imposed on
  purchases 
(as a percentage of offering
price)
  Maximum deferred sales
 charge (load)              None2   None2   None2 None2  None2 None2  None2 None

(as a percentage of 
purchase or
redemption
proceeds, whichever 
is lower)                      
Maximum account fee

Annual fund operating expenses
Management fees
Distribution and service (12b-1) fees
Other expenses
Total annual fund operating expenses

CLASS B
Shareholder fees
Maximum sales charge (load)
imposed on                   None     None  None   None    None   None None None
purchases (as a percentage
 of offering price)
Maximum deferred sales
 charge (load)               5%6      5%6    5%6   5%6      5%6   5%6  4%7 None
(as a percentage of
 purchase or redemption
proceeds, whichever
is lower)                     
Maximum account fee


Annual fund operating expenses
Management fees
Distribution and service (12b-1) fees
Other expenses
Total annual fund operating expenses

CLASS C
Shareholder fees
Maximum sales charge (load)
 imposed on                  None  None    None   None     None  None  None None
purchases (as a percentage
of offering price)
Maximum deferred sales
 charge (load)              1%8   1%8      1%8    1%8      1%8    1%8   1%8 None
(as a percentage of purchase
 or redemption
proceeds, whichever is lower)
Maximum account fee




Annual fund operating expenses
Management fees
Distribution and service (12b-1) fees
Other expenses
Total annual fund operating expenses

Explanation of Fees and Expenses Table

1 Expenses are based on estimates for the current fiscal year.
2  Purchases of Class A shares of $1 million or more are not subject to
front-end sales charges, but may be subject to a 1.0% contingent deferred
sales charge on shares redeemed within 1 year of purchase.  (See "How to Buy
Shares - Class A)
4  For each account with a balance of less than $5000 (less than $1000 for
IRAs), the Fund charges a monthly account maintenance fee of $1.00.
5  For each account with a balance of less than $1000, the Fund charges a
monthly account maintenance fee of $3.00.
6 A contingent deferred sales charge is imposed on the proceeds of Class B
shares redeemed within 6 years, subject to certain exceptions.  The charge is
a percentage of net asset value at the time of purchase or redemption,
whichever is less, and declines from 5% in the first year that shares are
held, to 4% in the second and third year, 3% in the fourth year, 2% in the
fifth year, and 1% in the sixth year.  There is no charge on redemptions of
Class B shares held for more than six years.  See "Calculation of Contingent
Deferred Sales Charge"
7  A contingent deferred sales charge is imposed on the proceeds of Class B
shares of CSIF Bond redeemed within 4 years, subject to certain exceptions.
The charge is a percentage of net asset value at the time of purchase or
redemption, whichever is less, and declines from 4% in the first year that
shares are held, to 3% in the second, 2% in the third year, and 1% in the
fourth year.  There is no charge on redemptions of Class B shares held for
more than four years.  See "Calculation of Contingent Deferred Sales Charge"
8  A contingent deferred sales charge is imposed on the proceeds of Class C
shares redeemed within one year.  The charge is a percentage of net asset
value at the time of purchase or redemption, whichever is less.  See
"Calculation of Contingent Deferred Sales Charge"


Annual Fund Operating Expenses are based on historical expenses.  Management
fees include the Subadvisory fees paid by the Advisor ("CAMCO") to the
Subadvisors, and, if applicable, the administrative fee paid by the Fund to
Calvert Administrative Services Company, an affiliate of CAMCO.  The
Management fees for CSIF Balanced include a performance adjustment which could
cause the fee to be as high as 0.85% or as low as 0.55% , depending on the
Fund's performance.  The Management fees for Calvert Capital Accumulation
include a performance adjustment which could cause the fee to be as high as
0.85% or as low as 0.75%, depending on the Fund's performance.

For the fiscal year ended  9/30/98 CAMCO waived fees and or reimbursed
expenses for certain Funds.  The net amount (after waiver/reimbursement) of
Annual Fund Operating Expenses actually paid by the Fund was: __%, __%, and
__% for Class A, Class B, and Class C.  This waiver/reimbursement arrangement
[is expected to continue through (date) or/may be terminated at any time by
CAMCO.] (Include if applicable for other Funds)

     Each Fund's Rule 12b-1 fees include an asset-based sales charge.  Thus,
long-term shareholders in a Fund may pay more in total sales charges than the
economic equivalent of the maximum front-end sales charge permitted by rules
of the National Association of Securities Dealers, Inc. (the "NASD").

Example
This example is intended to help you compare the cost of investing in a Fund
with the cost of investing in other mutual funds.    The example assumes that:

You invest $10,000 in the Fund for the time periods indicated;
Your investment has a 5% return each year; and
The Fund's operating expenses remain the same.

Although your actual costs may be higher or lower, under these assumptions
your costs would be:


Number of Years Investment Class A    Class B      Class B   Class C  Class C
Is held

CSIF Balanced                       W/ Redem.  No Redem.   W/Redem.    No Redem.
     1                   $___           $___      $___         $___      $___
     3                   $___           $___      $___         $___      $___
     5                   $___           $___      $___         $___      $___
     10                  $___           $___      $___         $___      $___
 
CSIF Managed Index                  W/ Redem.  No Redem.   W/Redem.    No Redem.
     1                  $___            $___     $___          $___      $___
     3                  $___            $___     $___          $___      $___
     5                  $___            $___     $___          $___      $___
     10                 $___            $___     $___          $___      $___

CSIF Equity                         W/ Redem.  No Redem.   W/Redem.    No Redem.
     1                  $___           $___      $___         $___       $___
     3                  $___           $___      $___         $___       $___
     5                  $___           $___      $___         $___       $___
     10                 $___           $___      $___         $___       $___

CWVF Capital Accumulation           W/ Redem.  No Redem.   W/Redem.    NoRedem.
     1                  $___           $___     $___          $___     $___
     3                  $___           $___     $___          $___     $___
     5                  $___           $___     $___          $___     $___
     10                 $___           $___     $___          $___     $___

CWVF International Equity           W/ Redem.  No Redem.   W/Redem.    NoRedem.
     1                  $___             $___        $___       $___      $___
     3                  $___             $___        $___       $___      $___
     5                  $___             $___        $___       $___      $___
     10                 $___             $___        $___       $___      $___

New Vision Small Cap                W/ Redem.  No Redem.   W/Redem.    No Redem.
     1                 $___            $___         $___        $___    $___
     3                 $___            $___         $___        $___    $___
     5                 $___            $___         $___        $___    $___
     10                $___            $___         $___        $___    $___

CSIF Bond                           W/ Redem.  No Redem.   W/Redem.    No Redem.
     1                 $___           $___        $___        $___      $___
     3                 $___           $___        $___        $___      $___
     5                 $___           $___        $___        $___      $___
     10                $___           $___        $___        $___      $___

CSIF Money Market                   W/ Redem.  No Redem.   W/Redem.    No Redem.
     1                 $___            n/a       n/a         n/a      n/a
     3                 $___            n/a       n/a         n/a      n/a
     5                 $___            n/a       n/a         n/a      n/a
     10                $___            n/a       n/a         n/a      n/a


Principal Investment Practices and Risks

The most concise description of each Fund's risk profile is under the
risk-return summary for each Fund.  The Funds are also permitted to invest in
certain other investments and to use certain investment techniques that have
higher risks associated with them.  On the following pages are brief
descriptions of these other principal investments and techniques, along with
their risks.

For each of the investment practices listed, the table below shows each Fund's
limitations as a percentage of its assets and the principal types of risk
involved.  (See the pages following the table for a description of the types
of risks).  Numbers in this table show maximum allowable amount only; for
actual usage, consult the Fund's annual/semi-annual reports.

@    Fund currently uses
0    Permitted, but not typically used (% of assets allowable, if restricted)
- --   Not permitted
xN   Allowed up to x% of fund's net assets
xT   Allowed up to x% of Fund's total assets
NA   not applicable to this type of fund

Investment Practices
                                                 Mgd
Active Trading Strategy/Turnover involves    Bal.Index Eqty Int'l Cap NV  Bd  MM
selling a security soon after purchase.  An    @   0     0   0     0  0   @   NA
active trading strategy causes a fund to have
higher portfolio turnover compared to other
funds and higher transaction costs, such as
commissions and custodian and settlement fees,
and may increase a Fund's tax liability.
Risks:  Opportunity, Market and Transaction.

Temporary Defensive Positions.
During adverse market, economic or political   0   0     0    0    0   0  0  NA
conditions, the Fund may depart from its         (35T)                 (35T)
principal investment strategies by increasing                          
its investment in U.S. government securities
and other short-term interest-bearing
securities. Risks: Opportunity.

Conventional Securities

Foreign Securities. Securities issued by    25N  --    25N   @  25N  15T 25N NA
companies located outside the U.S. and/or
traded primarily on a foreign exchange.
Risks:  Market, Currency, Transaction,
Liquidity, Information and Political.


Small Cap Stocks.  Investing in small         0   NA    0     0    0   @ NA  NA
companies involves greater risk than with more
established companies.  Small cap stock prices
are more volatile and the companies often have
limited product lines, markets, financial
resources, and management experience. Risks:
Market, Liquidity and Information.

Investment grade bonds.  Bonds rated BBB/Baa  0    NA   0     0    0   0  @  NA
or higher or comparable unrated bonds.  Risks:
Interest Rate, Market and Credit.
Below-investment grade bonds.  Bonds rated
below BBB/Baa or comparable unrated bonds are
considered junk bonds.  They are subject to
greater credit risk than investment grade
bonds. Risks:  Credit, Market, Interest Rate,
Liquidity and Information.


Unrated debt securities.  Bonds that have not  @  NA   0      0     0   0  0  @3
been rated by a recognized rating agency; the
Advisor has determined the credit quality based
on its own research.  Risks:  Credit, Market,
Interest Rate, Liquidity and Information.


Illiquid securities.  Securities which cannot 15N 15N 15N 15N 15N 15N  15N  15N
be readily sold because there is no active
market. Risks:  Liquidity, Market and
Transaction.


Unleveraged derivative securities              @   NA   0    0   0     0   @ @4
Asset-backed securities.  Securities are backed
by unsecured debt, such as credit card debt.
These securities are often guaranteed or
over-collateralized to enhance their credit
quality. Risks: Credit, Interest Rate and
Liquidity.

Mortgage-backed securities.  Securities are    @   NA    0    0   0     0  @ @5
backed by pools of mortgages, including
passthrough certificates, and other senior
classes of collateralized mortgage obligations
(CMOs). Risks:  Credit, Extension, Prepayment,
Liquidity and Interest Rate.

Participation interests.  Securities           0   NA    0    0   0     0  @ @6
representing an interest in another security or
in bank loans. Risks:  Credit, Interest Rate
and Liquidity.

Leveraged derivative instruments Currencyv     0   NA    0    5T  5T   -- 0  NA
contracts.  Contracts involving the right or
obligation to buy or sell a given amount of
foreign currency at a specified price and
future date. Risks:  Currency, Leverage,
Correlation, Liquidity and Opportunity.

Options on securities and indices.  Contracts  5T   5T   5T    5T  5T  5T 5T  5T
giving the holder the right but not the
obligation to purchase or sell a security (or
the cash value, in the case of an option on an
index) at a specified price within a specified
time. In the case of selling (writing) options,
the Funds will write call options only if they
already own the security (if it is "covered").
Risks:  Interest Rate, Currency, Market,
Leverage, Correlation, Liquidity, Credit and
Opportunity.

Futures contract.  Agreement to buy or sell a  0    0   0    0   0   0   0    0 
specific amount of a commodity or financial   5N   5N  5N   5N  5N  5N  5N   5N 
instrument at a particular price on a specific                           
future date.  Risks:  Interest Rate, Currency,                     
Market, Leverage, Correlation, Liquidity and
Opportunity.

Structured securities                          0   NA   NA   NA   0   NA  0  NA
Indexed and/or leveraged mortgage-backed and
other debt securities, including principal-only
and interest-only securities, leveraged
floating rate securities, and others.  These
securities tend to be highly sensitive to
interest rate movements and their performance
may not correlate to these movements in a
conventional fashion. Risks:  Credit, Interest
Rate, Extension, Prepayment, Market, Leverage,
Liquidity and Correlation.



The Funds have additional investment policies and restrictions that are not
principal to their investment strategies (for example, repurchase agreements,
real estate investment trusts, borrowing, pledging, and reverse repurchase
agreements, securities lending, when-issued securities, concentration and
short sales.)  These policies and restrictions are discussed in the SAI.

Types of Investment Risk

Correlation risk

This occurs when a Fund "hedges"- uses one investment to offset the Fund's
position in another.  If the two investments do not behave in relation to one
another the way Fund managers expect them to, then unexpected or undesired
results may occur.  For example, a hedge may eliminate or reduce gains as well
as offset losses.

Credit risk

The risk that the issuer of a security or the counterparty to an investment
contract may default or become unable to pay its obligations when due.

Currency risk

Currency risk occurs when a Fund buys or sells a security denominated in
foreign currency.  Foreign currencies "float" in value against the U.S.
dollar.  Adverse changes in foreign currency values can cause investment
losses when a Fund's investments are converted to U.S. dollars.

Extension risk

The risk that an unexpected rise in interest rates will extend the life of a
mortgage-backed security beyond the expected prepayment time, typically
reducing the security's value.

Information risk

The risk that information about a security or issuer might not be available,
complete, accurate or comparable.

Interest rate risk

The risk that changes in interest rates will adversely affect the value of an
investor's securities.  When interest rates rise, the value of fixed-income
securities will generally fall.  Conversely, a drop in interest rates will
generally cause an increase in the value of fixed-income securities.
Longer-term securities and zero coupon/"stripped" coupon securities ("strips")
are subject to greater interest rate risk.

Leverage risk

The risk that occurs in some securities or techniques which tend to magnify
the effect of small changes in an index or a market.  This can result in a
loss that exceeds the amount actually invested.


Liquidity risk

The risk that occurs when investments cannot be readily sold.  A Fund may have
to accept a less-than-desirable price to complete the sale of an illiquid
security or may not be able to sell it at all.

Management risk

This risk exists in all mutual funds and means that a Fund's portfolio
management practices might not work to achieve their desired result.

Market risk

The risk that exists in all mutual funds and means the risk that securities
prices in a market, a sector or an industry will fluctuate, and that such
movements might reduce an investment's value.

Opportunity risk

The risk of missing out on an investment opportunity because the assets needed
to take advantage of it are committed to less advantageous investments or
strategies.

Political risk

The risk that may occur with foreign investments, and means that the value of
an investment may be adversely affected by nationalization, taxation, war,
government instability or other economic or political actions or factors.

Prepayment risk

The risk that anticipated prepayments may occur, reducing the value of a
mortgage-backed security.

Transaction risk

The risk that a Fund may be delayed or unable to settle a transaction or that
commissions and settlement expenses may be higher than usual.

INVESTMENT SELECTION PROCESS

Investments are selected on the basis of their ability to contribute to the
dual objectives of financial soundness and social criteria.
Potential investments for a Fund are first selected for financial soundness
and then evaluated according to that Fund's social criteria.  To the greatest
extent possible, CSIF and CWVF seek to invest in companies that exhibit
positive accomplishments with respect to one or more of the social criteria.
Investments for all Funds must meet the minimum standards for all its
financial and social criteria.


Although each Fund's social criteria tend to limit the availability of
investment opportunities more than is customary with other investment
companies, CAMCO and the Subadvisors of the Funds believe there are sufficient
investment opportunities to permit full investment among issuers which satisfy
each Fund's investment and social objectives.

The selection of an investment by a Portfolio does not constitute endorsement
or validation by that Fund, nor does the exclusion of an investment
necessarily reflect failure to satisfy the Fund's social criteria. Investors
are invited to send a brief description of companies they believe might be
suitable for investment.

Socially Responsible Investment Criteria

The Funds invest in accordance with the philosophy that long-term rewards to
investors will come from those organizations whose products, services, and
methods enhance the human condition and the traditional American values of
individual initiative, equality of opportunity and cooperative effort.  In
addition, we believe that there are long-term benefits in an investment
philosophy that demonstrates concern for the environment, labor relations,
human rights and community relations.  Those enterprises that exhibit a social
awareness in these issues should be better prepared to meet future societal
needs.  By responding to social concerns, these enterprises should not only
avoid the liability that may be incurred when a product or service is
determined to have a negative social impact or has outlived its usefulness,
but also be better positioned to develop opportunities to make a profitable
contribution to society.  These enterprises should be ready to respond to
external demands and ensure that over the longer term they will be viable to
seek to provide a positive return to both investors and society as a whole.

Each Fund has developed social investment criteria, detailed below.  These
criteria represent standards of behavior which few, if any, organizations
totally satisfy.  As a matter of practice, evaluation of a particular
organization in the context of these criteria will involve subjective judgment
by CAMCO and the Subadvisors. All social criteria may be changed by the Board
of Trustees/Directors without shareholder approval.

Calvert Social Investment Fund

CSIF seeks to invest in companies that:

Deliver safe products and services in ways that sustain our natural
environment.  For example, CSIF looks for companies that produce energy from
renewable resources, while avoiding consistent polluters.


Manage with participation throughout the organization in defining and
achieving objectives. For example, CSIF looks for companies that offer
employee stock ownership or profit-sharing plans.

Negotiate fairly with their workers, provide an environment supportive of
their wellness, do not discriminate on the basis of race, gender, religion,
age, disability, ethnic origin, or sexual orientation, do not consistently
violate regulations of the EEOC, and provide opportunities for women,
disadvantaged minorities, and others for whom equal opportunities have often
been denied.  For example, CSIF considers both unionized and non-union firms
with good labor relations.

Foster awareness of a commitment to human goals, such as creativity,
productivity, self-respect and responsibility, within the organization and the
world, and continually recreates a context within which these goals can be
realized.  For example, CSIF looks for companies with an above average
commitment to community affairs and charitable giving.

CSIF will not invest in companies that the Advisor determines to be
significantly engaged in:

Production, or the manufacture of equipment, to produce nuclear energy

Business activities in support of repressive regimes

Manufacture of weapon systems

Manufacture of alcoholic beverages or tobacco products

Operation of gambling casinos

With respect to U.S. government securities, CSIF invests primarily in debt
obligations issued or guaranteed by agencies or instrumentalities of the U.S.
Government whose purposes further or are compatible with CSIF's social
criteria, such as obligations of the Student Loan Marketing Association,
rather than general obligations of the U.S. Government, such as Treasury
securities.

Calvert World Values International Equity Fund

The spirit of Calvert World Values International Equity Fund's social criteria
is similar to CSIF, but the application of the social analysis is
significantly different. International investing brings unique challenges in
terms of corporate disclosure, regulatory structures, environmental standards,
and differing national and cultural priorities. Due to these factors, the CWVF
social investment standards are less stringent than those of CSIF.

CWVF seeks to invest in companies that:

Achieve excellence in environmental management.  We select investments that
take positive steps toward preserving and enhancing our natural environment
through their operations and products.  We avoid companies with poor
environmental records.

Have positive labor practices.  We consider the International Labor
Organization's basic conventions on worker rights as a guideline for our labor
criteria.  We seek to invest in companies that hire and promote women and
ethnic minorities; respect the right to form unions; comply, at a minimum,
with domestic hour and wage laws; and provide good health and safety
standards.  We avoid companies that demonstrate a pattern of engaging in
forced, compulsory, or child labor.

CWVF avoids investing in companies that:

Contribute to human rights abuses in other countries2

Produce nuclear power or nuclear weapons, or have more than 10% of revenues
derived from the production or sale of weapons systems

Derive more than 10% of revenues from the production of alcohol or tobacco
products, but actively seeks to invest in companies whose products or services
improve the quality of or access to health care, including public health and
preventative medicine

Calvert World Values Capital Accumulation Fund
Calvert New Vision Small Cap Fund

The Funds carefully review company policies and behavior regarding social
issues important to quality of life such as:

environment
employee relations
product criteria
weapons systems
nuclear energy
human rights

Both Funds will avoid investing in companies that have:

Significant or historical patterns of violating environmental regulations, or
otherwise have an egregious environmental record

Significant or historical patterns of discrimination against employees on the
basis of race, gender, religion, age, disability or sexual orientation, or
that have major labor-management disputes

Nuclear power plant operators and owners, or manufacturers of key components
in the nuclear power process

Significantly engaged in weapons production( including weapons systems
contractors and major nuclear weapons systems contractors)

Significantly involved in the manufacture of tobacco or alcohol products

Products or offer services that, under proper use, are considered harmful

The Advisor will seek to review companies' overseas operations consistent with
the social criteria stated above.

While Capital Accumulation and New Vision may invest in companies that exhibit
positive social characteristics, they make no explicit claims to seek out
companies with such practices.

High Social Impact Investments - CSIF Balanced, Bond and Equity, Calvert World
Values International Equity, Capital Accumulation and New Vision

High Social Impact Investments is a program that targets a percentage of the
Fund's assets (up to 1% for each of CSIF Balanced, CSIF Equity and CSIF Bond
and New Vision and up to 3% for each of CWVF International Equity and CWVF
Capital Accumulation) to directly support the growth of community-based
organizations for the purposes of promoting business creation, housing
development, and economic and social development of urban and rural
communities. These types of investments offer a rate of return below the
then-prevailing market rate, and are considered illiquid and unrated and
below-investment grade. They also involve a greater risk of default or price
decline than investment grade securities. However, they have a significant
social return by making a tremendous difference in our local communities.

The Funds have received an exemptive order to permit them to invest those
assets allocated for investment in high social impact investments through the
purchase of Community Investment Notes from the Calvert Social Investment
Foundation. The Calvert Social Investment Foundation is a non-profit
organization, legally distinct from Calvert Group, organized as a charitable
foundation for the purpose of increasing public awareness and knowledge of the
concept of socially responsible investing. It has instituted the Calvert
Community Investments program to raise assets from individual investors and
then invest these assets directly in non-profit or not-for-profit community
development organizations that focus on low income housing, economic
development and business development in urban and rural communities.

Special Equities - CSIF Balanced and Calvert World Values International Equity

CSIF Balanced and CWVF International Equity each have a Special Equities
investment program that allows the Fund to promote especially promising
approaches to social goals through privately placed investments.  The
investments are generally venture capital investments in small, untried
enterprises.  The Special Equities Committee of each Fund identifies,
evaluates, and selects the Special Equities investments.   Special Equities
involve a high degree of risk-- they are subject to liquidity, information,
and if a debt investment, credit risk.  Special Equities are valued under the
direction and control of the Fund's Board.

About Calvert Group

Calvert Asset Management Company, Inc.(4550 Montgomery Avenue, Suite 1000N,
Bethesda, MD  20814) ("CAMCO") is the Funds' investment advisor and provides
day-to-day investment management services to the Funds.  It has been managing
mutual funds since 1976.  CAMCO is the investment advisor for over 25 mutual
funds, including the first and largest family of socially screened funds.  As
of December 31, 1998, CAMCO had over $____ billion in assets under management.


CAMCO uses a team approach to its management of CSIF Bond (since February
1997) and the fixed-income assets of CSIF Balanced Portfolio (June 1995).
Reno J. Martini, Senior Vice President and Chief Investment Officer, heads
this team and oversees the management of all Calvert Funds for CAMCO.  Mr.
Martini has over 18 years of experience in the investment industry and has
been the head of CAMCO's asset management team since 1985.

Subadvisors and Portfolio Managers

Brown Capital Management, Inc., 809 Cathedral Street, Baltimore, Maryland, has
managed part of the equity investments of CSIF Balanced since 1996, and
Capital Accumulation since 1994.  In 1997, Brown Capital became the sole
Subadvisor for Capital Accumulation.  The firm has over $3.6 billion in assets
under management.  It uses a bottom-up approach that incorporates
growth-adjusted price earnings, concentrating on mid-/large-cap growth stocks.

Eddie C. Brown, founder and President of Brown Capital Management, Inc., heads
the portfolio management team for Capital Accumulation and Brown Capital's
portion of CSIF Balanced.  He brings over 24 years of management experience to
the Funds, and has held positions with T. Rowe Price Associates and Irwing
Management Company.  Mr. Brown is a frequent panelist on "Wall Street Week
with Louis Rukeyser" and is a member of the Wall Street Week Hall of Fame.

NCM Capital Management Group, Inc.,  103 West Main Street, Durham, NC 27701,
has managed part of the equity investments of CSIF Balanced since 1995.   The
firm has over $__ billion in assets under management.  NCM is one of the
largest minority-owned investment management firms in the country and provides
products in equity fixed income and balanced portfolio management.  It is also
one of the industry leaders in the employment and training of minority and
women investment professionals.

NCM's portfolio management team consists of several members, headed by Maceo
K. Sloan.  Mr. Sloan has more than __ years of experience in the investment
industry, and is a frequent panelist on Wall Street Week with Louis Rukeyser.

STATE STREET GLOBAL ADVISORS (SSgA); 225 Franklin St., Boston, MA, was
established in 1978 as an investment management division of the State Street
Bank and Trust Company.  SSgA is a pioneer in the development of domestic and
international index funds, and has managed CSIF Managed Index since its
inception.  The firm currently manages over $400 billion in assets, including
$120 billion in index and enhanced index products.

SSgA's portfolio management team consists of several members, headed by Arlene
Rockefeller. She joined SSgA in 1982, with 10 years experience in investment
computer systems.  Ms. Rockefeller is currently Principal and Unit Head of
Global Enhanced Equities.  She manages a variety of SSgA's equity and tax-free
funds.

ATLANTA CAPITAL MANAGEMENT COMPANY, LLCLA; Two Midtown Plaza, Suite 1600, 1360
Peachtree Street, Atlanta, GA  30309 has managed CSIF Equity since September
1998.  The firm has $2.8 billion under management.

Daniel W. Boone, III, C.F.A. heads the Atlanta portfolio management team for
CSIF Equity.  He is a senior Partner and senior investment professional for
Atlanta Capital.  He has been with the firm since 1976.  He specializes in
equity portfolio management and research.  Before joining the firm, he held
positions with the international firm of Lazard, Freres in New York, and
Wellington Management Company.  Mr. Boone has earned a MBA from the Wharton
School of University of Pennsylvania, where he graduated with distinction, and
a B.A. from Davidson College.

MURRAY JOHNSTONE INTERNATIONAL, LTD, 875 North Michigan Ave., Suite 3415,
Chicago, IL  60611.  The firm has __________ in assets, and has managed
Calvert World Values International Equity Fund since its inception.

Andrew Preston heads the portfolio management team for International Equity.
He joined Murray Johnstone International in 1985, and has held positions as
investment analyst in the United Kingdom and U.S. Department, and Fund Manager
in the Japanese Department.  He was appointed director of the company in
1993.  Prior to joining Murray Johnstone, he was a member of the Australian
Foreign Service and attended University in Australia and Japan.

AWAD & Asset Management Company (AWAD); 250 Park Avenue, New York, NY 10177, a
subsidiary of Raymond James & Associates, has managed the New Vision Small Cap
Fund since 1997.  The firm has over $800 million in assets under management
and specializes in the management of small-capitalization growth stocks.  They
emphasize a growth-at-a-reasonable-price investment philosophy.

James Awad, President of Awad, founded the firm in 1992.  He heads the
portfolio management team for New Vision Small Cap.  Mr. Awad has more than 30
years experience in the investment business, holding positions with firms such
as Neuberger & Berman and First Investors Corporation.

Each of the Funds has obtained an exemptive order from the Securities and
Exchange Commission to permit the Fund, pursuant to approval by the Board of
Trustees/Directors, to enter into and materially amend contracts with the
Fund's Subadvisor without shareholder approval. See "Investment Advisor and
Subadvisor" in the SAI for further details.

Advisory Fees

     The following table shows the aggregate annual advisory fee paid to CAMCO
by each Fund for the most recent fiscal year as a percentage of that Fund's
average daily net assets .

Fund                                        Advisory Fee 1
CSIF Balanced                                 0.--% 2
CSIF Managed Index                            0.60% 3 4
CSIF Equity                                   0.--% 2
CSIF Bond                                     0.--% 2
CSIF Money Market                             0.--%
CWVF International Equity                     -.--% 2
CWVF Capital Accumulation                     0.--% 2
TCF New Vision Small Cap                      0.--% 2




1  CAMCO waived part of its advisory fee for the following Funds;  the full
contractual rate each Fund is obligated to pay CAMCO is: CSIF Bond, 0.65%
(list others if applicable.)
2  These advisory agreements were changed by a vote of shareholders in
_________ 1999.  The new advisory fee will be:  CSIF, Balanced, 0.375%; CSIF
Equity, 0.45%; CSIF Bond, 0.30%; CWVF International Equity, 0.70%; CWVF
Capital Accumulation, 0.60%; and TCF New Vision Small Cap, 0.70%.
3  CSIF Managed Index has not had a full year of operations.  Its advisory
agreement provides for a fee of 0.60% of the Portfolio's first $500 million of
average daily net assets and 0.55% of any such assets over $500 million.
4 CSIF Managed Index has a recapture provision which allows CAMCO to recapture
from the Fund in a later year any fees CAMCO waives or expenses it assumes,
subject to certain limitations.

CSIF Balanced has a performance adjustment which could cause the fee to be as
high as 0.85% or low as 0.55%, depending on its performance relative to the
relevant index (CAMCO:  Lehman Aggregate Bond; NCM:  Russell 3000, Brown:  S&P
500).  CWVF Capital Accumulation has a performance adjustment which could
cause the fee to be as high as 0.85% or as low as 0.75%, depending on its
performance relative to the S&P 400 Midcap Index.

A Word About the Year 2000 (Y2K) and Our Computer Systems

Like other mutual funds, CAMCO and its service providers use computer systems
for all aspects of our business -- processing shareholder and fund
transactions, fund accounting, executing trades, and pricing securities just
to name a few.  Many current software programs cannot distinguish between the
year 2000 and the year 1900.  This can cause problems with retirement plan
distributions, dividend payment software, transaction software, and numerous
other areas that could impact the Funds.  Calvert Group has been reviewing all
of its computer systems for Y2K compliance.  Although, at this time, there can
be no assurance that there will be no negative impact on the Funds, the
Advisor, the underwriter, transfer agent and custodian have advised the Funds
that they have been actively working on any necessary changes to their
computer systems to prepare for Y2K and expect that their systems, and those
of their outside service providers, will be adapted in time for that event.
For more information, please visit our website at www.calvertgroup.com.


SHAREHOLDER GUIDE

HOW TO BUY SHARES

GETTING STARTED - BEFORE YOU OPEN AN ACCOUNT
You have a few decisions to make before you open an account in a mutual fund.

First, decide which fund or funds best suits your needs and your goals.
Second, decide what kind of account you want to open. Calvert offers
individual, joint, trust, Uniform Gifts/Transfers to Minor Accounts,
Traditional and Roth IRAs, Qualified Profit-Sharing and Money Purchase Plans,
SIMPLE IRAs, SEP-IRAs, 403(b)(7) accounts, and several other types of
accounts. Minimum investments are lower for the retirement plans.
Then decide which class of shares is best for you.
You should make this decision carefully, based on:
the amount you wish to invest;
the length of time you plan to keep the investment; and
the Class expenses.

Choosing a Share Class

CSIF Money Market offers only one class of shares, which is sold without a
sales charge. The other Funds in this prospectus offer three different Classes
(Class A, B, or C). This chart shows the difference in the Classes and the
general types of investors who may be interested in each Class:

Class A: Front-End Sales   Class B: Deferred Sales       Class C: Deferred
Charge                     Charge for 6 years (4 years   Sales Charge for 1 year
                           for CSIF Bond)
For all investors,         For investors who plan to     For investors who are
particularly those         hold the shares at least 6    investing for at least
investing a substantial    years (4 for CSIF Bond).      one year, but less
amount who plan to hold    The expenses of this class    than six years. The
the shares for a long      are higher than Class A,      expenses of this Class
period of time.            because of the 12b-1 fee.     are higher than Class
                                                         A, because of the
                                                         12b-1 fee.
Sales charge on each       No sales charge on each       No sales charge on
purchase of 4.75% or       purchase, but if you sell     each purchase, but if
less (3.75% or less for    your shares within 6 years,   you sell shares within
CSIF Bond), depending on   you will pay a deferred       1 year, then you will
the amount you invest.     sales charge of 5% or less    pay a deferred sales
                           on shares you sell (4% or     charge of 1% at that
                           less on shares of CSIF Bond   time.
                           you sell within 4 years of
                           purchase).

Class A shares have an     Class B shares have an        Class C shares have an
annual 12b-1 fee of up     annual 12b-1 fee of 1.00%.    annual 12b-1 fee of
to 0.35%.                                                1.00%.

Class A shares have        Your shares will              Class C shares have
lower annual expenses      automatically convert to      higher annual expenses
due to a lower 12b-1 fee.  Class A shares after 8        than Class A and there
                           years (6 years for CSIF       is no automatic
                           Bond), reducing your future   conversion to Class A.
                           annual expenses.

Shares exempt from the     If you are investing more     If you are investing
front-end sales charge     than $250,000, you should     more than $1,000,000,
because they were sold     invest in Class A or C.       you should invest in
in a single purchase of                                  Class A.
$1,000,000 or more will
be subject to a 1.0%
deferred sales charge
for 1 year.

Class A
If you choose Class A, you will pay a sales charge at the time of each
purchase. This table shows the charges both as a percentage of offering price
and as a percentage of the amount you invest. The term "offering price"
includes the front-end sales charge. If you invest more, the sales charge will
be lower. For example, if you invest more than $50,000, or if your cumulative
purchases or the value in your account is more than $50,0003, then the sales
charge is reduced to 3.75%.

                           CSIF Balanced
                           CSIF Equity
                           CSIF Managed Index
                           CWVF International Equity
                           CWVF Capital Accumulation
                           TCF New Vision Small Cap       CSIF Bond

Your investment in Class   Sales Chg.      % of Amt.      Sales Chg. %  % of
A shares                   %of offering    Invested       of offering   Amt.
                           price                          price        Invested
Less than $50,000          4.75%           4.99%          3.75%          3.90%
$50,000 but less than      3.75%           3.90%          3.00%          3.09%
$100,000
$100,000 but less than     2.75%           2.83%          2.25%          2.30%
$250,000
$250,000 but less than     1.75%           1.78%          1.75%          1.78%
$500,000
$500,000 but less than     1.00%           1.01%          1.00%          1.01%
$1,000,000
$1,000,000 and over        None*           None*          None*          None*

* Purchases of $1,000,000 or more may be subject to a one year CDSC of 1.00%.
See the "Calculation of Contingent Deferred Sales Charge and Waiver of Sales
Charges."

The Class A front-end sales charge may be waived for certain purchases or
investors, such as participants in certain group retirement plans or other
qualified groups and clients of registered investment advisers. For details on
these and other purchases that may qualify for a reduced sales charge, see
Exhibit A.

Class B
If you choose Class B, there is no front-end sales charge like Class A, but if
you sell the shares within the first 6 years (or 4 years for CSIF Bond), you
will have to pay a "contingent deferred" sales charge ("CDSC"). This means
that you do not have to pay the sales charge unless you sell your shares
within the first 6 years after purchase (or 4 years for CSIF Bond). Keep in
mind that the longer you hold the shares, the less you will have to pay in
deferred sales charges.

Time Since Purchase       CSIF Balanced
                          CSIF Equity
                          CSIF Managed Index
                          CWVF International Equity
                          CWVF Capital Accumulation
                          TCF New Vision Small Cap        CSIF Bond

                          CDSC %                          CDSC %
1st year                  5%                              4%
2nd year                  4%                              3%
3rd year                  4%                              2%
4th year                  3%                              1%
5th year                  2%                              None
6th year                  1%                              None
After 6 years             None                            None

Calculation of Contingent Deferred Sales Charge and Waiver of Sales Charges
The CDSC will not be charged on shares you received as dividends or from
capital gains distributions or on any capital appreciation (gain in the value)
of shares that are sold.

Shares that are not subject to the CDSC will be redeemed first, followed by
shares you have held the longest. The CDSC is calculated by determining the
share value at both the time of purchase and redemption and then multiplying
whichever value is less by the percentage that applies as shown above. For
example, if you invested $5,000 in CSIF Equity Class B shares three years ago,
and it is now worth $5,750, the CDSC will be calculated by taking the lesser
of the two values ($5,000), and multiplying it by 4%, for a CDSC of $200. If
you choose to sell only part of your shares, the capital appreciation for
those shares only is included in the calculation, rather than the capital
appreciation for the entire account.

The CDSC on Class B Shares will be waived in the following circumstances:
Redemption upon the death or disability of the shareholder, plan participant,
or beneficiary.4
Minimum required distributions from retirement plan accounts for shareholders
70 1/2 and older.5
The return of an excess contribution or deferral amounts, pursuant to sections
408(d)(4) or (5), 401(k)(8), 402(g)(2), or 401(m)(6) of the Internal Revenue
Code.
Involuntary redemptions of accounts under procedures set forth by the Fund's
Board of Trustees/Directors.
A single annual withdrawal under a systematic withdrawal plan of up to 10% per
year of the shareholder's account balance.

Class C
If you choose Class C, there is no front-end sales charge like Class A, but if
you sell the shares within the first year, you will have to pay a 1% CDSC.
Class C may be a good choice for you if you plan to buy shares and hold them
for at least 1 year, but not more than five or six years.

More on Comparison of Classes
The Example at the beginning of this prospectus compares the expenses of each
class, with and without redemptions. The Example includes both direct expenses
that you pay, such as the sales charges, and indirect expenses that are paid
by each Fund. The indirect expenses include management, shareholder servicing,
and 12b-1 fees. These fees may vary from class to class and can impact your
total return. Consider your investment goals and time period for investing to
help decide which class is best for you.

Distribution and Service Fees
Each Fund has adopted a plan under Rule 12b-1 of the Investment Company Act of
1940 that allows the Fund to pay distribution fees for the sale and
distribution of its shares. The distribution plan also pays service fees to
persons (such as your financial professional) for services provided to
shareholders. Because these fees are paid out of a Fund's assets on an ongoing
basis, over time, these fees will increase the cost of your investment and may
cost you more than paying other types of sales charges.  Please see Exhibit B
for more service fee information.

The table below shows the maximum annual percentage payable under the
distribution plan, and the amount actually paid by each Fund for the most
recent fiscal year. The fees are based on average daily net assets of the
particular Class.

     Maximum Payable under Plan/Amount Actually Paid

CSIF Money Market 0.25%/0.00%

                              Class A           Class B       Class C

CSIF Balanced                 0.35%/0.24       %1.00%/1.00%   1.00%/1.00%
CSIF Bond                     0.35%/0.20%       1.00%/1.00%   1.00%/1.00%
CSIF Equity                   0.35%/0.23%       1.00%/1.00%   1.00%/1.00%
CSIF Managed Index            0.25%/_.__%       1.00%/1.00%   1.00%/1.00%
CWVF International Equity     0.25%/0.25%       1.00%/1.00%   1.00%/1.00%
CWVF Capital Accumulation     0.35%/0.35%       1.00%/1.00%   1.00%/1.00%
TCF New Vision Small Cap      0.25%/0.25%       1.00%/1.00%   1.00%/1.00%

NEXT STEP - ACCOUNT APPLICATION

Complete and sign an application for each new account. When multiple classes
of shares are offered, please specify which class you wish to purchase. For
more information, contact your broker or our shareholder services department
at 800-368-2748.

Minimum To Open an Account     Minimum additional investments - $250
CSIF Money Market                        $1,000
CSIF Balanced                            $1,000
CSIF Bond                                $1,000
CSIF Equity                              $1,000

CSIF Managed Index                       $5,000

CWVF International Equity                $2,000
CWVF Capital Accumulation                $2,000
TCF New Vision Small Cap                 $2,000


Please make your check payable Calvert Group
to the Fund and mail it to:    PO Box ______ (new accounts -- include
application)
     PO Box ______ (subsequent investments -- include investment slip)
     Kansas City, MO 64141-6544

By Registered,    Calvert Group
Certified, or c/o NFDS, 6th Floor
Overnight Mail    1004 Baltimore
     Kansas City, MO 64105-1807

At the Calvert Office Visit the Calvert Office to make investments by check.
     See the back cover page for the address.

Important - How Shares are Priced
The price of shares is based on each Fund's net asset value ("NAV"). NAV is
computed by adding the value of a Fund's holdings plus other assets,
subtracting liabilities, and then dividing the result by the number of shares
outstanding. If a Fund has more than one class of shares, the NAV of each
class will be different, depending on the number of shares outstanding for
each class.

Portfolio securities and other assets are valued based on market quotations,
except that securities maturing within 60 days are valued at amortized cost.
CSIF Money Market is valued according to the "amortized cost" method, which is
intended to stabilize the NAV at $1 per share. If market quotations are not
readily available, securities are valued by a method that the Fund's Board of
Trustees/Directors believes accurately reflects fair value.

The NAV is calculated as of the close of each business day, which coincides
with the closing of the regular session of the New York Stock Exchange
("NYSE") (normally 4 p.m. ET). Each Fund is open for business each day the
NYSE is open.

Some Funds hold securities that are primarily listed on foreign exchanges that
trade on days when the NYSE is closed. These Funds do not price shares on days
when the NYSE is closed, even if foreign markets may be open. As a result, the
value of the Fund's shares may change on days when you will not be able to buy
or sell your shares.

When Your Account Will Be Credited
Your purchase will be processed at the next NAV calculated after your order is
received and accepted. All of your purchases must be made in US dollars and
checks must be drawn on US banks. No cash will be accepted. Each Fund reserves
the right to suspend the offering of shares for a period of time or to reject
any specific purchase order. As a convenience, check purchases received at
Calvert's office in Bethesda, Maryland will be sent by overnight delivery to
the Transfer Agent and will be credited the next business day upon receipt.
Any check purchase received without an investment slip may cause delayed
crediting. If your check does not clear your bank, your purchase will be
canceled and you will be charged a $10 fee plus any costs incurred. Check or
electronic funds transfer purchases will be on hold for up to 10 business
days. All purchases will be confirmed and credited to your account in full and
fractional shares (rounded to the nearest 1/1000th of a share).

CSIF Money Market
Your purchase will be credited at the net asset value calculated after your
order is received and accepted. If the Transfer Agent receives your wire
purchase by 5 p.m. ET, your account will begin earning dividends on the next
business day. Exchanges begin earning dividends the next business day after
the exchange request is received by mail or telephone. Purchases received by
check will begin earning dividends the next business day after they are
credited to the account. CSIF Money Market may send monthly statements in lieu
of confirmations of purchases and redemptions.

OTHER CALVERT GROUP FEATURES

CALVERT INFORMATION NETWORK
For 24 hour performance and account information call 800-368-2745 or visit
http://www.calvertgroup.com
You can obtain current performance and pricing information, verify account
balances, and authorize certain transactions with the convenience of one phone
call, 24 hours a day.

ACCOUNT SERVICES
By signing up for services when you open your account, you avoid having to
obtain a signature guarantee. If you wish to add services at a later date, a
signature guarantee to verify your signature may be obtained from any bank,
trust company and savings and loan association, credit union, broker-dealer
firm or member of a domestic stock exchange. A notary public cannot provide a
signature guarantee.

CALVERT MONEY CONTROLLER
Calvert Money Controller allows you to purchase or sell shares by electronic
funds transfer without the time delay of mailing a check or the added expense
of a wire. Use this service to transfer up to $300,000 electronically. Allow
one or two business days after you place your request for the transfer to take
place. Money transferred to purchase new shares will be subject to a hold of
up to 10 business days before redemption requests will be honored. Transaction
requests must be received by 4 p.m. ET. You may request this service on your
initial account application.


TELEPHONE TRANSACTIONS
You may purchase, redeem, or exchange shares, wire funds and use Calvert Money
Controller by telephone if you have pre-authorized service instructions. You
receive telephone privileges automatically when you open your account unless
you elect otherwise. For our mutual protection, the Fund, the shareholder
servicing agent and their affiliates use precautions such as verifying
shareholder identity and recording telephone calls to confirm instructions
given by phone. A confirmation statement is sent for most transactions; please
review this statement and verify the accuracy of your transaction immediately.

EXCHANGES
Calvert Group offers a wide variety of investment options that includes common
stock funds, tax-exempt and corporate bond funds, and money market funds (call
your broker or Calvert representative for more information). We make it easy
for you to purchase shares in other Calvert funds if your investment goals
change. The exchange privilege offers flexibility by allowing you to exchange
shares on which you have already paid a sales charge from one mutual fund to
another at no additional charge.

Complete and sign an account application, taking care to register your new
account in the same name and taxpayer identification number as your existing
Calvert account(s). Exchange instructions may then be given by telephone if
telephone redemptions have been authorized and the shares are not in
certificate form.

Before you make an exchange, please note the following:
Each exchange represents the sale of shares of one Fund and the purchase of
shares of another. Therefore, you could realize a taxable gain or loss.

You may exchange shares acquired by reinvestment of dividends or distributions
into another Calvert Fund at no additional charge.

Shares may only be exchanged for shares of the same class of another Calvert
Fund.

No CDSC is imposed on exchanges of shares subject to a CDSC at the time of the
exchange. The applicable CDSC is imposed at the time the shares acquired by
the exchange are redeemed.

Shareholders (and those managing multiple accounts) who make two purchases and
two exchange redemptions of shares of the same Fund during any six-month
period will be given written notice and may be prohibited from placing
additional investments. This policy does not prohibit a shareholder from
redeeming shares of any Fund, and does not apply to trades solely between
money market funds.

Each Fund reserves the right to terminate or modify the exchange privilege
with 60 days' written notice.

COMBINED GENERAL MAILINGS (Householding)
Multiple accounts with the same social security number will receive one
mailing per household of information such as prospectuses and semi-annual and
annual reports. You may request further grouping of accounts to receive fewer
mailings. Separate statements will be generated for each separate account and
will be mailed in one envelope for each combination above.

SPECIAL SERVICES AND CHARGES
Each Fund pays for shareholder services but not for special services that are
required by a few shareholders, such as a request for a historical transcript
of an account or a stop payment on a draft. You may be required to pay a fee
for these special services; for example, the fee for stop payments is $25.

If you are purchasing shares through a program of services offered by a
broker/dealer or financial institution, you should read the program materials
together with this Prospectus. Certain features may be modified in these
programs, and the broker/dealer or financial institution may impose charges
for their services.

MINIMUM ACCOUNT BALANCE
Please maintain a balance in each of your Fund accounts of at least $1,000 per
class ($5,000 for the CSIF Managed Index). If the balance in your account
falls below the minimum during a month, a fee of $1 may be charged to your
account (CSIF Money Market and CSIF Managed Index only).  If due to
redemptions, the account falls below the minimum, your account may be closed
and the proceeds mailed to the address of record.  You will be given a notice
that your account is below the minimum and will be closed after 30 days if the
balance is not brought up to the required minimum amount.

DIVIDENDS, CAPITAL GAINS AND TAXES

Each Fund pays dividends from its net investment income as shown below. Net
investment income consists of interest income, net short-term capital gains,
if any, and dividends declared and paid on investments, less expenses.
Distributions of net short-term capital gains (treated as dividends for tax
purposes) and net long-term capital gains, if any, are normally paid once a
year; however, the Funds do not anticipate making any such distributions
unless available capital loss carryovers have been used or have expired.
Dividend and distribution payments will vary between classes; dividend
payments are anticipated to be generally higher for Class A shares.

CSIF Money Market             Accrued daily, paid monthly
CSIF Bond                     Paid monthly
CSIF Balanced                 Paid quarterly
CSIF Equity                   Paid annually
CSIF Managed Index            Paid annually
CWVF International Equity     Paid annually
CWVF Capital Accumulation     Paid annually
TCF New Vision Small Cap      Paid annually

Dividend payment options
Dividends and any distributions are automatically reinvested in the same Fund
at NAV (without sales charge), unless you elect to have amounts of $10 or more
paid in cash (by check or by Calvert Money Controller). Dividends and
distributions from any Calvert Group Fund may be automatically invested in an
identically registered account in any other Calvert Group Fund at NAV. If
reinvested in the same account, new shares will be purchased at NAV on the
reinvestment date, which is generally 1 to 3 days prior to the payment date.
You must notify the Funds in writing to change your payment options. If you
elect to have dividends and/or distributions paid in cash, and the US Postal
Service cannot deliver the check, or if it remains uncashed for an extended
period, it, as well as future dividends and distributions, will be reinvested
in additional shares. No dividends will accrue on amounts represented by
uncashed distribution or redemption checks.

Buying a Dividend (Not Applicable to Money Market Funds)
At the time of purchase, the share price of each class may reflect
undistributed income, capital gains or unrealized appreciation of securities.
Any income or capital gains from these amounts which are later distributed to
you are fully taxable. On the record date for a distribution, share value is
reduced by the amount of the distribution. If you buy shares just before the
record date ("buying a dividend") you will pay the full price for the shares
and then receive a portion of the price back as a taxable distribution.

Federal Taxes
In January, each Fund will mail you Form 1099-DIV indicating the federal tax
status of dividends and any capital gain distributions paid to you during the
past year. Generally, dividends and distributions are taxable in the year they
are paid. However, any dividends and distributions paid in January but
declared during the prior three months are taxable in the year declared.
Dividends and distributions are taxable to you regardless of whether they are
taken in cash or reinvested. Dividends, including short-term capital gains,
are taxable as ordinary income. Distributions from long-term capital gains are
taxable as long-term capital gains, regardless of how long you have owned
shares.

For Non-Money Market Funds
You may realize a capital gain or loss when you sell or exchange shares. This
capital gain or loss will be short- or long-term, depending on how long you
have owned the shares which were sold. In January, these Funds will mail you
Form 1099-B indicating the total amount of all sales, including exchanges. You
should keep your annual year-end account statements to determine the cost
(basis) of the shares to report on your tax returns.

Other Tax Information
In addition to federal taxes, you may be subject to state or local taxes on
your investment, depending on the laws in your area. You will be notified to
the extent, if any, that dividends reflect interest received from US
government securities. Such dividends may be exempt from certain state income
taxes.

Taxpayer Identification Number
If we do not have your correct Social Security or Taxpayer Identification
Number ("TIN") and a signed certified application or Form W-9, Federal law
requires us to withhold 31% of your reportable dividends, and possibly 31% of
certain redemptions. In addition, you may be subject to a fine by the Internal
Revenue Service. You will also be prohibited from opening another account by
exchange. If this TIN information is not received within 60 days after your
account is established, your account may be redeemed (closed) at the current
NAV on the date of redemption. Calvert Group reserves the right to reject any
new account or any purchase order for failure to supply a certified TIN.

HOW TO SELL SHARES

You may redeem all or a portion of your shares on any day your Fund is open
for business, provided the amount requested is not on hold. When you purchase
by check or with Calvert Money Controller (electronic funds transfer), the
purchase will be on hold for up to 10 business days from the date of receipt.
During the hold period, any redemptions will be held until the Transfer Agent
is reasonably satisfied that the purchase payment has been collected. Drafts
written on CSIF Money Market during the hold period will be returned for
uncollected funds.

Your shares will be redeemed at the next NAV calculated after your redemption
request is received and accepted (less any applicable CDSC). The proceeds will
normally be sent to you on the next business day, but if making immediate
payment could adversely affect your Fund, it may take up to seven (7) days to
make payment. Calvert Money Controller redemptions generally will be credited
to your bank account on the second business day after your phone call. The
Funds have the right to redeem shares in assets other than cash for redemption
amounts exceeding, in any 90-day period, $250,000 or 1% of the net asset value
of the affected Fund, whichever is less. When the NYSE is closed (or when
trading is restricted) for any reason other than its customary weekend or
holiday closings, or under any emergency circumstances as determined by the
Securities and Exchange Commission, redemptions may be suspended or payment
dates postponed.

Follow these suggestions to ensure timely processing of your redemption
request:

By Telephone
You may redeem shares from your account by telephone and have your money
mailed to your address of record or electronically transferred or wired to a
bank you have previously authorized. A charge of $5 may be imposed on wire
transfers of less than $1,000.

Written Requests
Calvert Group, P.O. Box 419544, Kansas City, MO 64141-6544
Your letter should include your account number and fund and the number of
shares or the dollar amount you are redeeming. Please provide a daytime
telephone number, if possible, for us to call if we have questions. If the
money is being sent to a new bank, person, or address other than the address
of record, your letter must be signature guaranteed.

Draftwriting (CSIF Money Market Portfolio only)
You may redeem shares in your CSIF Money Market Portfolio account by writing a
draft for at least $250. If you complete and return the signature card for
Draftwriting, the Portfolio will mail bank drafts to you, printed with your
name and address. Drafts may not be ordered until your initial purchase has
cleared. Generally, there is no charge to you for this service, but CSIF Money
Market will charge a service fee for drafts returned for insufficient funds.
CSIF Money Market will charge $25 for any stop payment on drafts. As a service
to shareholders, shares may be automatically transferred between your Calvert
accounts to cover drafts you have written. The signature of only one
authorized signer is required to honor a draft.

Systematic Check Redemptions
If you maintain an account with a balance of $10,000 or more, you may have up
to two (2) redemption checks for a fixed amount sent to you on the 15th of the
month, simply by sending a letter with all information, including your account
number, and the dollar amount ($100 minimum). If you would like a regular
check mailed to another person or place, your letter must be signature
guaranteed. Unless they otherwise qualify for a waiver, Class B or Class C
shares redeemed by Systematic Check Redemption will be subject to the
Contingent Deferred Sales Charge.

Corporations and Associations
Your letter of instruction and corporate resolution should be signed by
person(s) authorized to act on the account, accompanied by signature
guarantee(s).

Trusts
Your letter of instruction should be signed by the Trustee(s) (as Trustee(s)),
with a signature guarantee. (If the Trustee's name is not registered on your
account, please provide a copy of the trust document, certified within the
last 60 days.)

Through your Dealer
Your dealer must receive your request before the close of regular trading on
the NYSE to receive that day's NAV. Your dealer will be responsible for
furnishing all necessary documentation to Calvert Group and may charge you for
services provided.

FINANCIAL HIGHLIGHTS

The financial highlights table is intended to help you understand the Funds'
financial performance for the past 5 years (or if shorter, the period of the
Fund's operations).  Certain information reflects financial results for a
single share, by Fund and Class.  The total returns in the table represent the
rate that an investor would have earned (or lost) on an investment in a Fund
(assuming reinvestment of all dividends and distributions), and does not
reflect any applicable front- or back-end sales charge. This information has
been audited by PricewaterhouseCoopers, LLP whose report, along with a Fund's
financial statements, are included in the Fund's annual report, which is
available upon request.
[insert financial highlights info for past 5 fiscal years per Class, per
Portfolio]



EXHIBIT A
REDUCED SALES CHARGES (CLASS A ONLY)

You may qualify for a reduced sales charge through several purchase plans
available. You must notify the Fund at the time of purchase to take advantage
of the reduced sales charge.

Rights of Accumulation can be applied to several accounts
Class A sales charge breakpoints are automatically calculated for each account
based on the higher of cost or current value of shares previously purchased.
This privilege can be applied to a family group or other qualified group7 upon
request. Shares could then be purchased at the reduced sales charge which
applies to the entire group; that is, based on the higher of cost or current
value of shares previously purchased and currently held by all the members of
the group.

Letter of Intent
If you (or your group, as described above) plan to purchase $50,000 or more of
Calvert Fund shares over the next 13 months, your sales charge may be reduced
through a "Letter of Intent." You pay the lower sales charge applicable to the
total amount you plan to invest over the 13-month period, excluding any money
market fund purchases, instead of the higher 4.75% sales charge. Part of your
shares will be held in escrow, so that if you do not invest the amount
indicated, you will have to pay the sales charge applicable to the smaller
investment actually made. For more information, see the SAI.

Retirement Plans Under Section 457, Section 403(b)(7), or Section 401(k)
There is no sales charge on shares purchased for the benefit of a retirement
plan under section 457 of the Internal Revenue Code of 1986, as amended
("Code"), or for a plan qualifying under section 403(b) or 401(k) of the Code
if, at the time of purchase, (i) Calvert Group has been notified in writing
that the 403(b) or 401(k) plan has at least 200 eligible employees and is not
sponsored by a K-12 school district, or (ii) the cost or current value of
shares a 401(k) plan has in Calvert Group of Funds (except money market funds)
is at least $1 million.

Neither the Funds, nor Calvert Distributors, Inc. ("CDI"), nor any affiliate
thereof will reimburse a plan or participant for any sales charges paid prior
to receipt of such written communication and confirmation by Calvert Group.
Plan administrators should send requests for the waiver of sales charges based
on the above conditions to: Calvert Group Retirement Plans, 4550 Montgomery
Avenue, Suite 1000N, Bethesda, Maryland 20814.

Other Circumstances
There is no sales charge on shares of any Fund of the Calvert Group of Funds
sold to (i) current or retired Directors, Trustees, or Officers of the Calvert
Group of Funds, employees of Calvert Group, Ltd. and its affiliates, or their
family members; (ii) CSIF Advisory Council Members, directors, officers, and
employees of any subadvisor for the Calvert Group of Funds, employees of
broker/dealers distributing the Fund's shares and immediate family members of
the Council, subadvisor, or broker/dealer; (iii) Purchases made through a
Registered Investment Advisor; (iv) Trust departments of banks or savings
institutions for trust clients of such bank or institution, (v) Purchases
through a broker maintaining an omnibus account with the Fund, provided the
purchases are made by (a) investment advisors or financial planners placing
trades for their own accounts (or the accounts of their clients) and who
charge a management, consulting, or other fee for their services; or (b)
clients of such investment advisors or financial planners who place trades for
their own accounts if such accounts are linked to the master account of such
investment advisor or financial planner on the books and records of the broker
or agent; or (c) retirement and deferred compensation plans and trusts,
including, but not limited to, those defined in section 401(a) or section
403(b) of the I.R.C., and "rabbi trusts."

Established Accounts
Shares of CSIF Balanced may be sold at net asset value to you if your account
was established on or before July 17, 1986.

Dividends and Capital Gain Distributions from other Calvert Group Funds
You may prearrange to have your dividends and capital gain distributions from
another Calvert Group Fund automatically invested in another account with no
additional sales charge.

Purchases made at NAV
Except for money market funds, if you make a purchase at NAV, you may exchange
that amount to another Calvert Group Fund at no additional sales charge.

Reinstatement Privilege
If you redeem shares and then within 30 days decide to reinvest in the same
Fund, you may do so at the net asset value next computed after the
reinvestment order is received, without a sales charge. You may use the
reinstatement privilege only once. The Funds reserve the right to modify or
eliminate this privilege.

EXHIBIT B
SERVICE FEES AND ARRANGEMENTS WITH DEALERS

Calvert Distributors, Inc., each Fund's underwriter, pays dealers a
commission, or reallowance (expressed as a percentage of the offering price
for Class A, and a percentage of amount invested for Class B and C) when you
purchase shares of non-money market funds.  CDI also pays dealers an ongoing
service fee while you own shares of that Fund (expressed as an annual
percentage rate of average daily net assets held in Calvert accounts by that
dealer).  The table below shows the amount of payment which differs depending
on the Class.

                   Maximum Commission/Service Fees

CSIF Money Market  None/0.25%

                               Class A       Class B       Class C*

CSIF Balanced                 4.00%/0.25%   4.00%/0.25%   1.00%/1.00%
CSIF Bond                     3.00%/0.25%   3.00%/0.25%   1.00%/1.00%
CSIF Equity                   4.00%/0.25%   4.00%/0.25%   1.00%/1.00%
CSIF Managed Index            4.00%/0.25%   4.00%/0.25%   1.00%/1.00%
CWVF International Equity     4.00%/0.25%   4.00%/0.25%   1.00%/1.00%
CWVF Capital Accumulation     4.00%/0.25%   4.00%/0.25%   1.00%/1.00%
TCF New Vision Small Cap      4.00%/0.25%   4.00%/0.25%   1.00%/1.00%

*Class C pays dealers a service fee of 0.25% and additional compensation of
0.75% for a total of 1.00%.

Occasionally, CDI may reallow to dealers the full Class A front-end sales
charge. CDI may also pay additional concessions, including non-cash
promotional incentives, such as merchandise or trips, to brokers employing
registered representatives who have sold or are expected to sell a minimum
dollar amount of shares of the Funds and/or shares of other Funds underwritten
by CDI. CDI may make expense reimbursements for special training of a broker's
registered representatives, advertising or equipment, or to defray the
expenses of sales contests. CAMCO, CDI, or their affiliates may pay certain
broker-dealers and/or other persons, for the sale and distribution of the
securities or for services to the Fund.   Payments may include additional
compensation based on assets held through that firm beyond the regularly
scheduled rates, and finder's fees. All payments will be in compliance with
the rules of the National Association of Securities Dealers, Inc.


To Open an Account:
800-368-2748

Performance and Prices:
Calvert Information Network
24 hours, 7 days a week
800-368-2745

Service for Existing Accounts:
Shareholders  800-368-2745
Brokers  800-368-2746

TDD for Hearing-Impaired:
800-541-1524

Branch Office:
4550 Montgomery Avenue
Suite 1000N
Bethesda, Maryland 20814

Registered, Certified or
Overnight Mail:
Calvert Group
c/o NFDS, 6th Floor
1004 Baltimore
Kansas City, MO 64105

Calvert Group Web-Site
Address:  http://www.calvertgroup.com

PRINCIPAL UNDERWRITER
Calvert Distributors, Inc.
4550 Montgomery Avenue
Suite 1000N
Bethesda, Maryland 20814



OUTSIDE BACK COVER PAGE (REQUIRED INFORMATION)

For investors who want more information about the Funds, the following
documents are available free upon request:

Annual/Semi-Annual Reports:  Additional information about each Fund's
investments is available in the Fund's Annual and Semi-Annual reports to
shareholders.  In each Fund's annual report, you will find a discussion of the
market conditions and investment strategies that significantly affected the
Fund's performance during its last fiscal year.

Statement of Additional Information (SAI):  The SAI for each Fund provides
more detailed information about the Fund and is incorporated into this
prospectus by reference.

You can get free copies of reports and SAIs, request other information and
discuss your questions about the Funds by contacting your broker, or the Funds
at:



Calvert Group
4550 Montgomery Ave, Suite 1000N
Bethesda, Md. 20814

Telephone: 1-800-368-2745

Calvert Group Web-Site
Address: http://www.calvertgroup.com

You can review the Funds' reports and SAIs at the public Reference Room of the
Securities and Exchange Commission.  You can get text only copies:

For a fee, by writing to or calling the Public Reference Room of the
Commission, Washington, D.C. 20549-6009, Telephone:  1-800-SEC-0330.

Free from the Commission's Internet website at http://www.sec.gov.

Investment Company Act file:no.811-_________(CSIF)
                            no.811- ________ (CWVF International Equity and
Capital Accumulation)
                            no.811- ________ (New Vision)


- --------

8CWVF may invest in companies that operate in countries with poor human rights
records if we believe the companies are making a positive contribution.
3 This is called "Rights of Accumulation." The sales charge is calculated by
taking into account not only the dollar amount of the new purchase of shares,
but also the higher of cost or current value of shares you have previously
purchased in Calvert Group Funds that impose sales charges. This automatically
applies to your account for each new purchase of Class A shares.
4 "Disability" means a total disability as evidenced by a determination by the
federal Social Security Administration.
5 The maximum amount subject to this waiver is based only upon the
shareholder's Calvert Group retirement accounts.
6 This systematic withdrawal plan requires a minimum account balance of
$50,000 to be established.
7 A "qualified group" is one which:
1.    has been in existence for more than six months, and
2.    has a purpose other than acquiring shares at a discount, and
3.    satisfies uniform criteria which enable CDI and brokers offering shares
     to realize economies of scale in distributing such shares.

A qualified group must have more than 10 members, must be available to arrange
for group meetings between representatives of CDI or brokers distributing
shares, must agree to include sales and other materials related to the Funds
in its publications and mailings to members at reduced or no cost to CDI or
brokers. A pension plan is not a qualified group for rights of accumulation.
<PAGE>
 
PROSPECTUS
January 31, 1999

Class I (Institutional) Shares
Calvert Social Investment Fund (CSIF) Balanced
CSIF Managed Index
CSIF Equity
CSIF Bond
Calvert Capital Accumulation
Calvert World Values International Equity
Calvert New Vision  Small Cap






These securities have not been approved or disapproved by the Securities and
Exchange Commission or any State Securities Commission, nor has the Federal or
any State Securities Commission passed on the accuracy or adequacy of this
prospectus.  Any representation to the contrary is a criminal offense.






TABLE OF CONTENTS

About the Funds:
Investment objective, strategy, past performance
Fees and Expenses
Principal Investment Practices and Risks
About Social Investing:
Socially Responsible Investment Criteria
Investment Selection Process
High Social Impact Investments
Special Equities
About Your Investment
Subadvisors and Portfolio Managers
Advisory Fees
How to Open an Account
Important - How Shares are Priced
When Your Account Will be Credited
Other Calvert Group Features (Exchanges, Minimum Account Balance, etc.)
Dividends, Capital Gains and Taxes
How to Sell Shares
Financial Highlights


CSIF Balanced

Advisor                        Calvert Asset Management Company, Inc.
Subadvisors:                   Brown Capital Management, Inc.
                               NCM Capital Management, Inc.

Objective
CSIF Balanced seeks to achieve a competitive total return through an actively
managed portfolio of  stocks, bonds and money market instruments which offer
income and capital growth opportunity and which satisfy the investment and
social concern criteria.

Principal investment strategies --The Fund typically invests about 60% of its
assets in stocks and 40% in bonds or other fixed-income investments.  Stock
investments are primarily common stock in large-cap companies, while the
fixed-income investments are primarily a wide variety of investment grade
bonds.
CSIF Balanced invests in a combination of stocks, bonds and money market
instruments in an attempt to provide a complete investment portfolio in a
single product. The Advisor rebalances the Fund quarterly to adjust for
changes in market value.  The Fund is a large-cap, growth-oriented U.S.
domestic portfolio, although it may have other investments, including some
foreign securities.  For the equity portion, the Fund seeks companies with
better than average expected growth rates at lower than average valuations.
The fixed-income portion reflects an active trading strategy, seeking total
return.

Equity investments are selected by the two Subadvisors, while the Advisor
manages the fixed-income assets and determines the overall mix for the Fund
depending upon its view of market conditions and economic outlook.


Principal risks--  You could lose money on your investment in the Fund, or the
Fund could underperform for any of the following reasons:

The stock or bond market goes down
The individual stocks and bonds in the Fund do not perform as well as expected
For the fixed-income portion of the Fund, the Advisor's forecast as to
interest rates is not correct
o    The Advisor's allocation among different sectors of the stock and bond
      markets does not perform as well as expected

An investment in the Fund is not a bank deposit and is not insured or
guaranteed by the Federal Deposit Insurance Corporation or any other
government agency.

Bar Chart and Performance Table

The bar chart and table below show the Fund's annual returns and its long-term
performance.  Because Class I shares were not offered prior to 1999, the chart
shows the performance of the Class A shares.  Class I returns would have been
similar, except for its lower expenses.  The table compares the Fund's
performance over time to that of the Standard & Poor's 500 Index and the
Lehman Aggregate Bond Index.  It also shows the Fund's returns compared to the
Lipper Balanced Funds Index.  The average total return table shows returns for
Class A shares with the maximum sales charge deducted.  No sales charge has
been applied to the index and average used for comparison in the table.
Again, Class I returns would have been similar, except for lower expenses and
no sales charges.  The Fund's past performance does not necessarily indicate
how the Fund will perform in the future.

BAR CHART
Calendar year                  (Class A return at NAV)
% return

1988            1989       1990       1991    1998
___%            ___%       ___%       ___%   ____%

Best Quarter: (of period shown ) QX '9X
Worst Quarter: (of period shown QX '9X

Average annual total returns
for the periods ended December 31, 1998

                                1 year          5 years     10 years
CSIF Balanced: Class A             __%          __%          __%
S&P 500 Index Monthly    
  Reinvested                       __%          __%          __%
Lehman Aggregate
Bond Index TR                      __%          __%          __%
Lipper Balanced Funds              __%          __%          __%
Index

     1 From inception (4/1/98) ___%;
       2 From inception (3/ /94) ____%

CSIF Managed Index

Advisor                        Calvert Asset Management Company, Inc.
Subadvisor:                    State Street Global Advisors

Objective
CSIF Managed Index seeks a total return after expenses which exceeds over time
the total return of the Russell 1000 Index.  It seeks to obtain this objective
while maintaining risk characteristics similar to those of the Russell 1000
Index and through investments in stocks that meet the fund's investment and
social criteria.  This objective may be changed by the Fund's Board of
Trustees/Directors without shareholder approval.

Principal investment strategies:  The Fund invests in stocks that meet the
social criteria and creates a portfolio whose characteristics closely resemble
the characteristics of the Russell 1000 Index, while emphasizing the stocks
which it believes offer the greatest potential of return. CSIF Managed Index
follows an enhanced index management strategy.  Instead of passively holding a
representative basket of securities designed to match the Russell 1000 Index,
the Subadvisor actively uses a proprietary analytical model to attempt to
enhance the Fund's performance, relative to the Index.  The Fund may purchase
stocks not in the Russell 1000 Index, but at least 65% of the Fund's total
assets will be invested in stocks that are in the Index.  Any investments not
in the Index will meet the Fund's social screening criteria and be selected to
closely mirror the Index's risk/return characteristics.  The Subadvisor
rebalances the Fund quarterly to maintain its relative exposure to the Index.


Principal risks:   You could lose money on your investment in the Fund, or the
Fund could underperform the stock market for any of the following reasons:

The stock market goes down
The individual stocks in the Fund or the index modeling portfolio do not
perform as well as expected
An index fund has operating expenses; a market index does not.  The Fund-while
expected to track its target index as closely as possible while satisfying its
investment and social criteria - will not be able to  match the performance of
the index exactly

An investment in the Fund is not a bank deposit and is not insured or
guaranteed by the Federal Deposit Insurance Corporation or any other
government agency.  The Fund is not sponsored, sold, promoted or endorsed by
the Frank Russell Company.

CSIF Equity

Advisor                        Calvert Asset Management Company, Inc.
Subadvisors:                   Atlanta Capital Management Company, L.L.C.

Objective
CSIF Equity seeks growth of capital through investment in stocks of issuers in
industries believed to offer opportunities for potential capital appreciation
and which meet the Fund's investment and social criteria.

Principal investment strategies - The Fund invests primarily in the common
stocks of large-cap companies, having, on average, market capitalization of at
least $1 billion.  Investment returns will be mostly from changes in the price
of the Fund's holdings (capital appreciation).

Principal risks:  You could lose money on your investment in the Fund, or the
Fund could underperform for any of the following reasons:

The stock market goes down
The individual stocks in the Fund do not perform as well as expected
An investment in the Fund is not a bank deposit and is not insured or
guaranteed by the Federal Deposit Insurance Corporation or any other
government agency.

Bar Chart and Performance Table

The bar chart and table below show the Fund's annual returns and its long-term
performance.  Because Class I shares were not offered prior to 1999, the chart
shows the performance of the Class A shares.  Class I returns would have been
similar, except for its lower expenses.  The table compares the Fund's
performance over time to that of the Standard & Poor's 500 Index.  It also
shows the Fund's returns compared to the Lipper Growth Funds Index. The
average total return table shows returns for Class A shares with the maximum
sales charge deducted. No sales charge has been applied to the index and
average used for comparison in the table.  Again, Class I returns would have
been similar, except for lower expenses and no sales charges.  The Fund's past
performance does not necessarily indicate how the Fund will perform in the
future.

BAR CHART
Calendar year                  (Class A return at NAV)
% return

1988           1989             1990              1991         1998
___%            ___%            ___%              ___%          ___%

Best Quarter: (of periods shown) QX '9X
Worst Quarter: (of periods shown) QX '9X


Average annual total returns
for the periods ended December 31, 1998

                               1 year 5 years  10 years
CSIF Equity: Class A           __%      __%        __%
S&P 500 Index Monthly
          Reinvested           __%      __%        __%
Lipper Growth Funds            __%      __%        __%
Index     

 1 From inception (4/1/98) ___%;
 2 From inception (3/ /94) ____%








Calvert Capital Accumulation

Advisor                    Calvert Asset Management Company, Inc.
Subadvisor:                Brown Capital Management, Inc.
 
Objective

CWVF Capital Accumulation seeks to provide long-term capital appreciation by
investing primarily in mid-cap stocks that meet the Fund's investment and
social criteria.  This objective may be changed by the Fund's Board of
Trustees/Directors without shareholder approval.

Principal investment strategies -- investments are primarily in the common
stocks of mid-size companies.  Returns in the Fund will be mostly from the
changes in the price of the Fund's holdings (capital appreciation.) The Fund
currently defines mid-cap companies as those within the range of market
capitalizations of the S & P's Mid-cap 400 Index.  Stocks chosen for the Fund
combine growth and value characteristics or offer the opportunity to buy
growth at a reasonable price.

Principal risks: You could lose money on your investment in the Fund, or the
Fund could underperform for any of the following reasons:

The stock market goes down
The individual stocks in the Fund  do not perform as well as expected
The Fund is non-diversified.  Compared to other funds, the Fund may invest
more of its assets in a smaller number of companies. Gains or losses on a
single stock may have greater impact on the Fund.
An investment in the Fund is not a bank deposit and is not insured or
guaranteed by the Federal Deposit Insurance Corporation or any other
government agency.

Bar Chart and Performance Table

The bar chart and table below show the Fund's annual returns and its long-term
performance.  Because Class I shares were not offered prior to 1999, the chart
shows the performance of the Class A shares.  Class I returns would have been
similar, except for its lower expenses.  The table compares the Fund's
performance over time to that of the Standard & Poor's  Mid-Cap 400 Index.  It
also shows the Fund's returns compared to the Lipper Mid-Cap Funds Index. The
average total return table shows returns for Class A shares with the maximum
sales charge deducted. No sales charge has been applied to the index and
average used for comparison in the table.  Again, Class I returns would have
been similar, except for lower expenses and no sales charges.  The Fund's past
performance does not necessarily indicate how the Fund will perform in the
future.


BAR CHART

Calendar year                  (Class A return at NAV)
% return

1988            1989            1990          1991         1998
___%           ___%             ___%           ___%        ____%

Best Quarter: (of periods shown) QX '9X
Worst Quarter: (of periods shown) QX '9X

Average annual total returns
for the periods ended December 31, 1998

                                  1 year      5 years   10 years
CWVF Capital Accum: Class A         __%          __%      __%
S&P Mid-Cap 400 Index               __%          __%      __%
Lipper Mid-Cap Funds Index          __%          __%      __%

1 From inception (4/1/98) ___%;
2 From inception (3/ /94) ____%

Calvert World Values International Equity Fund

Advisor                    Calvert Asset Management Company, Inc.
Subadvisor:                Murray Johnstone International, Ltd.

Objective

CWVF International Equity seeks to provide a high total return consistent with
reasonable risk by investing primarily in a globally diversified portfolio of
stocks that meet the Fund's investment and social criteria.

Principal investment strategies: The Fund identifies those countries with
markets and economies that it believes currently provide the most favorable
climate for investing.  The Fund invests primarily in the common stocks of
mid- to large-cap companies using a value approach. The Fund invests primarily
in more developed economies and markets, with some investments in emerging
markets. No more than 5% of Fund assets are invested in the U.S. (excluding
High Social Impact and Special Equities investments).
 
Principal risks: You could lose money on your investment in the Fund, or the
Fund could underperform for any of the following reasons:

The stock markets (including those outside the U.S.) go down
The individual stocks in the Fund do not perform as well as expected
Foreign currency values go down versus the U.S. dollar

An investment in the Fund is not a bank deposit and is not insured or
guaranteed by the Federal Deposit Insurance Corporation or any other
government agency.

Bar Chart and Performance Table

The bar chart and table below show the Fund's annual returns and its long-term
performance. Because Class I shares were not offered prior to 1999, the chart
shows how the performance of the Class A shares. Class I returns would have
been similar, except for its lower expenses.  The table compares the Fund's
performance over time to that of the Morgan Stanley Capital International EAFE
Index.  It also shows the Fund's returns compared to the Lipper International
Funds Index. The average total return table shows returns for Class A shares
with the maximum sales charge deducted. No sales charge has been applied to
the index and average used for comparison in the table. Again, Class I returns
would have been similar, except for lower expenses and no sales charges.  The
Fund's past performance does not necessarily indicate how the Fund will
perform in the future.


BAR Chart
Calendar year                  (Class A return at NAV)
% return

1988            1989            1990          1991        1998
___%             ___%           ___%           ___%       ____%

Best Quarter: (of periods shown) QX '9X
Worst Quarter: (of periods shown) QX '9X

Average annual total returns
for the periods ended December 31, 1998

                                      1 year   5 years  10 years
CWVF International Eq.: Class A         __%      __%      __%
MSCI EAFE Index GD                      __%      __%      __%
Lipper International Funds Index        __%      __%      __%

1 From inception (4/1/98) ___%;
 2 From inception (3/ /94) ____%

Calvert New Vision Small Cap
 
Advisor                    Calvert Asset Management Company, Inc.
Subadvisor:                Awad Asset Management Company

Objective

New Vision Small Cap seeks to provide long-term capital appreciation by
investing primarily in small-cap stocks that meets the Fund's investment and
social criteria.  This objective may be changed by the Fund's Board of
Trustees/Directors without shareholder approval.

Principal Investment Strategies -- investments are primarily in the common
stocks of small-cap companies. Returns in the Fund will be mostly from the
changes in the price of the Fund's holdings (capital appreciation.) The Fund
currently defines small-cap companies as those with market capitalization of
$1 billion or less at the time the Fund initially invests.

Principal risks: You could lose money on your investment in the Fund, or the
Fund could underperform for any of the following reasons:

The stock market goes down
The individual stocks in the Fund do not  perform as well as expected
Prices of small-cap stocks may respond to market activity differently than
larger more established companies
 
An investment in the Fund is not a bank deposit and is not insured or
guaranteed by the Federal Deposit Insurance Corporation or any other
government agency.

Bar Chart and Performance Table

The bar chart and table below show the Fund's annual returns and its long-term
performance. Because Class I shares were not offered prior to 1999, the chart
shows the performance of the Class A shares. Class I returns would have been
similar, except for its lower expenses.  The table compares the Fund's
performance over time to that of the Russell 2000 Index.   It also shows the
Fund's returns compared to the Lipper Small-Cap Funds Index.  The average
total return table shows returns for Class A shares with the maximum sales
charge deducted.  No sales charge has been applied to the index and average
used for comparison in the table. Again, Class I returns would have been
similar, except for lower expenses and no sales charges.  The Fund's past
performance does not necessarily indicate how the Fund will perform in the
future.


BAR CHART
Calendar year                  (Class A return at NAV)
% return

1988        1989           1990        1991        1998
___%        ___%           ___%        ____%        ___%

Best Quarter: (of periods shown) QX '9X
Worst Quarter: (of periods shown) QX '9X


Average annual total returns
for the periods ended December 31, 1998

                                 1 year   5 years  10 years
New Vision Small Cap: Class A       __%     1        NA
Russell 2000 Index TR               __%     __%     __%
Lipper Small-Cap Funds
Index                               __%     __%     __%

1 From inception (       ) ___%;
2 From inception (      ) ____%
3 From inception (      ) ____%


CSIF Bond

Advisor:      Calvert Asset Management Company, Inc.

Objective
CSIF Bond seeks to provide as high a level of current income as is consistent
with prudent investment risk and preservation of capital through investment in
bonds and other straight debt securities meeting the Fund's investment and
social criteria.

Principal investment strategies:  The Fund uses an active strategy, seeking
relative value to earn incremental income.  The Fund typically invests at
least 65% of its assets in investment grade debt securities.

Principal risks  You could lose money on your investment in the Fund, or the
Fund could underperform , most likely for any of the following reasons:

The bond market goes down
The individual bonds in the Fund do not perform as well as expected
The Advisor's forecast as to interest rates is not correct
o    The Advisor's allocation among different sectors of the bond market does
not perform as well as expected

The Fund is non-diversified.  Compared to other funds, the Fund may invest
more of its assets in a smaller number of companies. Gains or losses on a
single stock may have greater impact on the Fund.
An investment in the Fund is not a bank deposit and is not insured or
guaranteed by the Federal Deposit Insurance Corporation or any other
government agency.

Bar Chart and Performance Table

The bar chart and table below show the Fund's annual returns and its long-term
performance. Because Class I shares were not offered prior to 1999, the chart
shows the performance of the Class A shares. Class I returns would have been
similar, except for its lower expenses.  The table compares the Fund's
performance over time to that of the Lehman Aggregate Bond Index.  It also
shows the Fund's returns compared to the Lipper Corporate Debt Funds A Rated
Index.  The average total return table shows returns for Class A shares with
the maximum sales charge deducted. No sales charge has been applied to the
index and average used for comparison in the table. Again, Class I returns
would have been similar, except for lower expenses and no sales charges.  The
Fund's past performance does not necessarily indicate how the Fund will
perform in the future.

BAR CHART
Calendar year                  (Class A return at NAV)
% return

1988             1989             1990               1991       1998
___%             ___%              ___%               ___%      ____%


Best Quarter: (of periods shown) QX '9X
Worst Quarter: (of periods shown) QX '9X



Average annual total returns
for the periods ended December 31, 1998

                               1 year  5 years 10 years
CSIF Bond: Class A             __%      __%       __%
Lehman Aggregate
Bond Index TR                  __%      __%      __%
Lipper Corporate Debt
   Funds A Rated Index         __%      __%      __%

1 From inception (4/1/98)    ____%
2 From inception (      98)  ____%



Fees and Expenses
This table describes the fees and expenses that you may pay if you buy and
 hold shares of a Fund.  Annual Fund operating expenses are deducted from
Fund assets.

CLASS I       Bal     Indx1     Eqty    Cap       Int'l   NV      Bd

Annual fund operating expenses
     Management fees
     Distribution and service (12b-1) fees
     Other expenses
     Total annual fund operating expenses


Explanation of Fees and Expenses Table

1 Expenses are based on estimates for the current fiscal year.

Annual Fund Operating Expenses are based on historical expenses.  Management
fees include the Subadvisory fees paid by the Advisor ("CAMCO") to the
Subadvisors, and, if applicable, the administrative fee paid by the Fund to
Calvert Administrative Services Company, an affiliate of CAMCO.  The
Management fees for CSIF Balanced include a performance adjustment which could
cause the fee to be as high as 0.85% or as low as 0.55% , depending on the
Fund's performance.  The Management fees for Calvert Capital Accumulation
include a performance adjustment which could cause the fee to be as high as
0.85% or as low as 0.75%, depending on the Fund's performance.

For the fiscal year ended  9/30/98 CAMCO waived fees and or reimbursed
expenses for certain Funds.  The net amount (after waiver/reimbursement) of
Annual Fund Operating Expenses actually paid by the Fund was: __%, __%, and
__% for Class A, Class B, and Class C.  This waiver/reimbursement arrangement
[is expected to continue through (date) or/may be terminated at any time by
CAMCO.] (Include if applicable for other Funds)

Example
This example is intended to help you compare the cost of investing in a Fund
with the cost of investing in other mutual funds.    The example assumes that:

You invest $10,000 in the Fund for the time periods indicated;
Your investment has a 5% return each year; and
The Fund's operating expenses remain the same.

Although your actual costs may be higher or lower, under these assumptions
your costs would be:


Number of Years Investment Class I
Is held

CSIF Balanced $___
     1        $___
     3        $___
     5        $___
     10       $___
 
CSIF Managed Index
     1        $___
     3        $___
     5        $___
     10       $___

CSIF Equity
     1        $___
     3        $___
     5        $___
     10       $___

CWVF Capital Accumulation
     1        $___
     3        $___
     5        $___
     10       $___

CWVF International Equity      .
     1        $___
     3        $___
     5        $___
     10       $___

New Vision Small Cap
     1        $___
     3        $___
     5        $___
     10       $___

CSIF Bond
     1        $___
     3        $___
     5        $___
     10       $___

Principal Investment Practices and Risks

The most concise description of each Fund's risk profile is under the risk-
return summary for each Fund.  The Funds are also permitted to invest
in certain other investments and to use certain investment techniques that
 have higher risks associated with them.  On the following pages are
brief descriptions of these other principal investments and techniques,
along with their risks.

For each of the investment practices listed, the table below shows each
Fund's limitations as a percentage of its assets and the principal types of
risk
 involved.  (See the pages following the table for a description of the types
 of risks).  Numbers in this table show maximum allowable amount only;
 for actual usage, consult the Fund's annual/semi-annual reports.

@    Fund currently uses
0    Permitted, but not typically used (% of assets allowable, if restricted)
- --   Not permitted
xN   Allowed up to x% of fund's net assets
xT   Allowed up to x% of Fund's total assets
NA   not applicable to this type of fund


Investment Practices
                                                 Mgd
Active Trading Strategy/Turnover involves    Bal.Index Eqty Int'l Cap NV  Bd  MM
selling a security soon after purchase.  An    @   0     0   0     0  0   @   NA
active trading strategy causes a fund to have
higher portfolio turnover compared to other
funds and higher transaction costs, such as
commissions and custodian and settlement fees,
and may increase a Fund's tax liability.
Risks:  Opportunity, Market and Transaction.

Temporary Defensive Positions.
During adverse market, economic or political   0   0     0    0    0   0  0  NA
conditions, the Fund may depart from its         (35T)                 (35T)
principal investment strategies by increasing                          
its investment in U.S. government securities
and other short-term interest-bearing
securities. Risks: Opportunity.

Conventional Securities

Foreign Securities. Securities issued by    25N  --    25N   @  25N  15T1 25N NA
companies located outside the U.S. and/or
traded primarily on a foreign exchange.
Risks:  Market, Currency, Transaction,
Liquidity, Information and Political.


Small Cap Stocks.  Investing in small         0   NA    0     0    0   @ NA  NA
companies involves greater risk than with more
established companies.  Small cap stock prices
are more volatile and the companies often have
limited product lines, markets, financial
resources, and management experience. Risks:
Market, Liquidity and Information.

Investment grade bonds.  Bonds rated BBB/Baa  0    NA   0     0    0   0  @  NA
or higher or comparable unrated bonds.  Risks:
Interest Rate, Market and Credit.
Below-investment grade bonds.  Bonds rated
below BBB/Baa or comparable unrated bonds are
considered junk bonds.  They are subject to
greater credit risk than investment grade
bonds. Risks:  Credit, Market, Interest Rate,
Liquidity and Information.

Below-investment grade bonds.  Bonds rated   20N NA  20N3 10N3 5N3 5N3  20N3 NA
below BBB/Baa or comparable unrated bonds are
considered junk bonds. They are subject to
greater credit risk than investment grade
bonds.  Risks:  Credit, Market, Interest Rate,
Liquidity and Information.


Unrated debt securities.  Bonds that have not  @  NA   0      0     0   0  0  @2
been rated by a recognized rating agency; the
Advisor has determined the credit quality based
on its own research.  Risks:  Credit, Market,
Interest Rate, Liquidity and Information.


Illiquid securities.  Securities which cannot 15N 15N 15N 15N 15N 15N  15N  15N
be readily sold because there is no active
market. Risks:  Liquidity, Market and
Transaction.


Unleveraged derivative securities              @   NA   0    0   0     0   @ @3
Asset-backed securities.  Securities are backed
by unsecured debt, such as credit card debt.
These securities are often guaranteed or
over-collateralized to enhance their credit
quality. Risks: Credit, Interest Rate and
Liquidity.

Mortgage-backed securities.  Securities are    @   NA    0    0   0     0  @ @4
backed by pools of mortgages, including
passthrough certificates, and other senior
classes of collateralized mortgage obligations
(CMOs). Risks:  Credit, Extension, Prepayment,
Liquidity and Interest Rate.

Participation interests.  Securities           0   NA    0    0   0     0  @ @5
representing an interest in another security or
in bank loans. Risks:  Credit, Interest Rate
and Liquidity.

Leveraged derivative instruments Currencyv     0   NA    0    5T  5T   -- 0  NA
contracts.  Contracts involving the right or
obligation to buy or sell a given amount of
foreign currency at a specified price and
future date. Risks:  Currency, Leverage,
Correlation, Liquidity and Opportunity.

Options on securities and indices.  Contracts  5T   5T   5T    5T  5T  5T 5T  NA
obligation to purchase or sell a security (or
the cash value, in the case of an option on an
index) at a specified price within a specified
time. In the case of selling (writing) options,
the Funds will write call options only if they
already own the security (if it is "covered").
Risks:  Interest Rate, Currency, Market,
Leverage, Correlation, Liquidity, Credit and
Opportunity.

Futures contract.  Agreement to buy or sell a  0    0   0    0   0   0   0    
specific amount of a commodity or financial   5N   5N  5N   5N  5N  5N  5N   NA 
instrument at a particular price on a specific                           
future date.  Risks:  Interest Rate, Currency,                     
Market, Leverage, Correlation, Liquidity and
Opportunity.

Structured securities                          0   NA   NA   NA   0   NA  0  NA
Indexed and/or leveraged mortgage-backed and
other debt securities, including principal-only
and interest-only securities, leveraged
floating rate securities, and others.  These
securities tend to be highly sensitive to
interest rate movements and their performance
may not correlate to these movements in a
conventional fashion. Risks:  Credit, Interest
Rate, Extension, Prepayment, Market, Leverage,
Liquidity and Correlation.


INSERT TABLE


The Funds have additional investment policies and restrictions that are not
principal to their investment strategies (for example, repurchase agreements,
real estate investment trusts, real estate investment trusts, borrowing,
pledging, and reverse repurchase agreements, securities lending, when-issued
securities, concentration and short sales.)  These policies and restrictions
are discussed in the SAI.

Types of Investment Risk

Correlation risk

This occurs when a Fund "hedges"- uses one investment to offset the Fund's
position in another.  If the two investments do not behave in relation to one
another the way Fund managers expect them to, then unexpected or undesired
results may occur.  For example, a hedge may eliminate or reduce gains as well
as offset losses.

Credit risk

The risk that the issuer of a security or the counterparty to an investment
contract may default or become unable to pay its obligations when due.

Currency risk

Currency risk occurs when a Fund buys or sells a security denominated in
foreign currency.  Foreign currencies "float" in value against the U.S.
dollar.  Adverse changes in foreign currency values can cause investment
losses when a Fund's investments are converted to U.S. dollars.

Extension risk

The risk that an unexpected rise in interest rates will extend the life of a
mortgage-backed security beyond the expected prepayment time, typically
reducing the security's value.

Information risk

The risk that information about a security or issuer might not be available,
complete, accurate or comparable.

Interest rate risk

The risk that changes in interest rates will adversely affect the value of an
investor's securities.  When interest rates rise, the value of fixed-income
securities will generally fall.  Conversely, a drop in interest rates will
generally cause an increase in the value of fixed-income securities.
Longer-term securities and zero coupon/"stripped" coupon securities ("strips")
are subject to greater interest rate risk.

Leverage risk

The risk that occurs in some securities or techniques which tend to magnify
the effect of small changes in an index or a market.  This can result in a
loss that exceeds the amount actually invested.


Liquidity risk

The risk that occurs when investments cannot be readily sold.  A Fund may have
to accept a less-than-desirable price to complete the sale of an illiquid
security or may not be able to sell it at all.

Management risk

This risk exists in all mutual funds and means that a Fund's portfolio
management practices might not work to achieve their desired result.

Market risk

The risk that exists in all mutual funds and means the risk that securities
prices in a market, a sector or an industry will fluctuate, and that such
movements might reduce an investment's value.

Opportunity risk

The risk of missing out on an investment opportunity because the assets needed
to take advantage of it are committed to less advantageous investments or
strategies.

Political risk

The risk that may occur with foreign investments, and means that the value of
an investment may be adversely affected by nationalization, taxation, war,
government instability or other economic or political actions or factors.

Prepayment risk

The risk that anticipated prepayments may occur, reducing the value of a
mortgage-backed security.

Transaction risk

The risk that a Fund may be delayed or unable to settle a transaction or that
commissions and settlement expenses may be higher than usual.

INVESTMENT SELECTION PROCESS

Investments are selected on the basis of their ability to contribute to the
dual objectives of financial soundness and social criteria.
Potential investments for a Fund are first selected for financial soundness
and then evaluated according to that Fund's social criteria.  To the greatest
extent possible, CSIF and CWVF seek to invest in companies that exhibit
positive accomplishments with respect to one or more of the social criteria.
Investments for all Funds must meet the minimum standards for all its
financial and social criteria.


Although each Fund's social criteria tend to limit the availability of
investment opportunities more than is customary with other investment
companies, CAMCO and the Subadvisors of the Funds believe there are sufficient
investment opportunities to permit full investment among issuers which satisfy
each Fund's investment and social objectives.

The selection of an investment by a Portfolio does not constitute endorsement
or validation by that Fund, nor does the exclusion of an investment
necessarily reflect failure to satisfy the Fund's social criteria. Investors
are invited to send a brief description of companies they believe might be
suitable for investment.

Socially Responsible Investment Criteria

The Funds invest in accordance with the philosophy that long-term rewards to
investors will come from those organizations whose products, services, and
methods enhance the human condition and the traditional American values of
individual initiative, equality of opportunity and cooperative effort.  In
addition, we believe that there are long-term benefits in an investment
philosophy that demonstrates concern for the environment, labor relations,
human rights and community relations.  Those enterprises that exhibit a social
awareness in these issues should be better prepared to meet future societal
needs.  By responding to social concerns, these enterprises should not only
avoid the liability that may be incurred when a product or service is
determined to have a negative social impact or has outlived its usefulness,
but also be better positioned to develop opportunities to make a profitable
contribution to society.  These enterprises should be ready to respond to
external demands and ensure that over the longer term they will be viable to
seek to provide a positive return to both investors and society as a whole.

Each Fund has developed social investment criteria, detailed below.  These
criteria represent standards of behavior which few, if any, organizations
totally satisfy.  As a matter of practice, evaluation of a particular
organization in the context of these criteria will involve subjective judgment
by CAMCO and the Subadvisors. All social criteria may be changed by the Board
of Trustees/Directors without shareholder approval.

Calvert Social Investment Fund

CSIF seeks to invest in companies that:

Deliver safe products and services in ways that sustain our natural
environment.  For example, CSIF looks for companies that produce energy from
renewable resources, while avoiding consistent polluters.


Manage with participation throughout the organization in defining and
achieving objectives. For example, CSIF looks for companies that offer
employee stock ownership or profit-sharing plans.

Negotiate fairly with their workers, provide an environment supportive of
their wellness, do not discriminate on the basis of race, gender, religion,
age, disability, ethnic origin, or sexual orientation, do not consistently
violate regulations of the EEOC, and provide opportunities for women,
disadvantaged minorities, and others for whom equal opportunities have often
been denied.  For example, CSIF considers both unionized and non-union firms
with good labor relations.

Foster awareness of a commitment to human goals, such as creativity,
productivity, self-respect and responsibility, within the organization and the
world, and continually recreates a context within which these goals can be
realized.  For example, CSIF looks for companies with an above average
commitment to community affairs and charitable giving.

CSIF will not invest in companies that the Advisor determines to be
significantly engaged in:

Production, or the manufacture of equipment, to produce nuclear energy

Business activities in support of repressive regimes

Manufacture of weapon systems

Manufacture of alcoholic beverages or tobacco products

Operation of gambling casinos

With respect to U.S. government securities, CSIF invests primarily in debt
obligations issued or guaranteed by agencies or instrumentalities of the U.S.
Government whose purposes further or are compatible with CSIF's social
criteria, such as obligations of the Student Loan Marketing Association,
rather than general obligations of the U.S. Government, such as Treasury
securities.

Calvert World Values International Equity Fund

The spirit of Calvert World Values International Equity Fund's social criteria
is similar to CSIF, but the application of the social analysis is
significantly different. International investing brings unique challenges in
terms of corporate disclosure, regulatory structures, environmental standards,
and differing national and cultural priorities. Due to these factors, the CWVF
social investment standards are less stringent than those of CSIF.

CWVF seeks to invest in companies that:

Achieve excellence in environmental management.  We select investments that
take positive steps toward preserving and enhancing our natural environment
through their operations and products.  We avoid companies with poor
environmental records.

Have positive labor practices.  We consider the International Labor
Organization's basic conventions on worker rights as a guideline for our labor
criteria.  We seek to invest in companies that hire and promote women and
ethnic minorities; respect the right to form unions; comply, at a minimum,
with domestic hour and wage laws; and provide good health and safety
standards.  We avoid companies that demonstrate a pattern of engaging in
forced, compulsory, or child labor.

CWVF avoids investing in companies that:

Contribute to human rights abuses in other countries1

Produce nuclear power or nuclear weapons, or have more than 10% of
revenues derived from the production or sale of weapons systems

Derive more than 10% of revenues from the production of alcohol or tobacco
products, but actively seeks to invest in companies whose products or services
improve the quality of or access to health care, including public health and
preventative medicine

Calvert World Values Capital Accumulation Fund
Calvert New Vision Small Cap Fund

The Funds carefully review company policies and behavior regarding social
issues important to quality of life such as:

environment
employee relations
product criteria
weapons systems
nuclear energy
human rights

Both Funds will avoid investing in companies that have:

Significant or historical patterns of violating environmental regulations, or
otherwise have an egregious environmental record

Significant or historical patterns of discrimination against employees on the
basis of race, gender, religion, age, disability or sexual orientation, or
that have major labor-management disputes

Nuclear power plant operators and owners, or manufacturers of key
components in the nuclear power process

Significantly engaged in weapons production( including weapons systems
contractors and major nuclear weapons systems contractors)

Significantly involved in the manufacture of tobacco or alcohol products

Products or offer services that, under proper use, are considered harmful

The Advisor will seek to review companies' overseas operations consistent
with the social criteria stated above.

While Capital Accumulation and New Vision may invest in companies that exhibit
positive social characteristics, they make no explicit claims to seek out
companies with such practices.

High Social Impact Investments - CSIF Balanced, Bond and Equity, Calvert World
Values International Equity, Capital Accumulation and New Vision

High Social Impact Investments is a program that targets a percentage of the
Fund's assets (up to 1% for each of CSIF Balanced, CSIF Equity and
CSIF Bond and New Vision and up to 3% for each of CWVF International Equity
and CWVF Capital Accumulation) to directly support the growth of
community-based organizations for the purposes of promoting business creation,
housing development, and economic and social development of urban and rural
communities. These types of investments offer a rate of return below the
then-prevailing market rate, and are considered illiquid and unrated and
below-investment grade. They also involve a greater risk of default or price
decline than investment grade securities. However, they have a significant
social return by making a tremendous difference in our local communities.

The Funds have received an exemptive order to permit them to invest those
assets allocated for investment in high social impact investments through the
purchase of Community Investment Notes from the Calvert Social Investment
Foundation. The Calvert Social Investment Foundation is a non-profit
organization, legally distinct from Calvert Group, organized as a charitable
foundation for the purpose of increasing public awareness and knowledge
of the concept of socially responsible investing. It has instituted the
Calvert Community Investments program to raise assets from individual
investors and then invest these assets directly in non-profit or
not-for-profit community development organizations that focus on low income
housing, economic development and business development in urban and rural
communities.

Special Equities - CSIF Balanced and Calvert World Values International
Equity

CSIF Balanced and CWVF International Equity each have a Special Equities
investment program that allows the Fund to promote especially promising
approaches to social goals through privately placed investments.  The
investments are generally venture capital investments in small, untried
enterprises.  The Special Equities Committee of each Fund identifies,
evaluates, and selects the Special Equities investments.   Special Equities
involve a high degree of risk-- they are subject to liquidity, information,
and if a debt investment, credit risk.  Special Equities are valued under the
direction and control of the Fund's Board.

About Calvert Group

Calvert Asset Management Company, Inc.(4550 Montgomery Avenue, Suite 1000N,
Bethesda, MD  20814) ("CAMCO") is the Funds' investment advisor and provides
day-to-day investment management services to the Funds.  It has been managing
mutual funds since 1976.  CAMCO is the investment advisor for over 25 mutual
funds, including the first and largest family of socially screened funds.  As
of December 31, 1998, CAMCO had over $____ billion in assets under management.


CAMCO uses a team approach to its management of CSIF Bond (since February
1997) and the fixed-income assets of CSIF Balanced Portfolio (June 1995).
Reno J. Martini, Senior Vice President and Chief Investment Officer, heads
this team and oversees the management of all Calvert Funds for CAMCO.  Mr.
Martini has over 18 years of experience in the investment industry and has
been the head of CAMCO's asset management team since 1985.

Subadvisors and Portfolio Managers

Brown Capital Management, Inc., 809 Cathedral Street, Baltimore, Maryland, has
managed part of the equity investments of CSIF Balanced since 1996, and
Capital Accumulation since 1994.  In 1997, Brown Capital became the sole
Subadvisor for Capital Accumulation.  The firm has over $3.6 billion in assets
under management.  It uses a bottom-up approach that incorporates
growth-adjusted price earnings, concentrating on mid-/large-cap growth stocks.

Eddie C. Brown, founder and President of Brown Capital Management, Inc., heads
the portfolio management team for Capital Accumulation and Brown Capital's
portion of CSIF Balanced.  He brings over 24 years of management experience to
the Funds, and has held positions with T. Rowe Price Associates and Irwing
Management Company.  Mr. Brown is a frequent panelist on "Wall Street Week
with Louis Rukeyser" and is a member of the Wall Street Week Hall of Fame.

NCM Capital Management Group, Inc.,  103 West Main Street, Durham, NC 27701,
has managed part of the equity investments of CSIF Balanced since 1995.   The
firm has over $__ billion in assets under management.  NCM is one of the
largest minority-owned investment management firms in the country and provides
products in equity fixed income and balanced portfolio management.  It is also
one of the industry leaders in the employment and training of minority and
women investment professionals.

NCM's portfolio management team consists of several members, headed by Maceo
K. Sloan.  Mr. Sloan has more than __ years of experience in the investment
industry, and is a frequent panelist on Wall Street Week with Louis Rukeyser.

STATE STREET GLOBAL ADVISORS (SSgA); 225 Franklin St., Boston, MA, was
established in 1978 as an investment management division of the State Street
Bank and Trust Company.  SSgA is a pioneer in the development of domestic and
international index funds, and has managed CSIF Managed Index since its
inception.  The firm currently manages over $400 billion in assets, including
$120 billion in index and enhanced index products.

SSgA's portfolio management team consists of several members, headed by Arlene
Rockefeller. She joined SSgA in 1982, with 10 years experience in investment
computer systems.  Ms. Rockefeller is currently Principal and Unit Head of
Global Enhanced Equities.  She manages a variety of SSgA's equity and tax-free
funds.

ATLANTA CAPITAL MANAGEMENT COMPANY, LLCLA; Two Midtown Plaza, Suite 1600, 1360
Peachtree Street, Atlanta, GA  30309 has managed CSIF Equity since September
1998.  The firm has $2.8 billion under management.

Daniel W. Boone, III, C.F.A. heads the Atlanta portfolio management team for
CSIF Equity.  He is a senior Partner and senior investment professional for
Atlanta Capital.  He has been with the firm since 1976.  He specializes in
equity portfolio management and research.  Before joining the firm, he held
positions with the international firm of Lazard, Freres in New York, and
Wellington Management Company.  Mr. Boone has earned a MBA from the Wharton
School of University of Pennsylvania, where he graduated with distinction, and
a B.A. from Davidson College.

MURRAY JOHNSTONE INTERNATIONAL, LTD, 875 North Michigan Ave., Suite 3415,
Chicago, IL  60611.  The firm has __________ in assets, and has managed
Calvert World Values International Equity Fund since its inception.

Andrew Preston heads the portfolio management team for International Equity.
He joined Murray Johnstone International in 1985, and has held positions as
investment analyst in the United Kingdom and U.S. Department, and Fund Manager
in the Japanese Department.  He was appointed director of the company in
1993.  Prior to joining Murray Johnstone, he was a member of the Australian
Foreign Service and attended University in Australia and Japan.

AWAD Asset Management Company (AWAD); 250 Park Avenue, New York, NY 10177, a
subsidiary of Raymond James & Associates, has managed the New Vision Small Cap
Fund since 1997.  The firm has over $800 million in assets under management
and specializes in the management of small-capitalization growth stocks.  They
emphasize a growth-at-a-reasonable-price investment philosophy.

James Awad, President of Awad, founded the firm in 1992.  He heads the
portfolio management team for New Vision Small Cap.  Mr. Awad has more than 30
years experience in the investment business, holding positions with firms such
as Neuberger & Berman and First Investors Corporation.

Each of the Funds has obtained an exemptive order from the Securities and
Exchange Commission to permit the Fund, pursuant to approval by the Board of
Trustees/Directors, to enter into and materially amend contracts with the
Fund's Subadvisor without shareholder approval. See "Investment Advisor and
Subadvisor" in the SAI for further details.

Advisory Fees

     The following table shows the aggregate annual advisory fee paid to CAMCO
by each Fund for the most recent fiscal year as a percentage of that Fund's
average daily net assets .

Fund                                        Advisory Fee 1 
CSIF Balanced                                    0.--% 2
CSIF Managed Index                               0.60% 3, 4
CSIF Equity                                      0.--% 2
CSIF Bond                                        0.--% 2
CSIF Money Market                                0.--%
CWVF International Equity                        -.--% 2
CWVF Capital Accumulation                        0.--% 2
TCF New Vision Small Cap                         0.--% 2




1  CAMCO waived part of its advisory fee for the following Funds;  the full
contractual rate each Fund is obligated to pay CAMCO is: CSIF Bond, 0.65%
(list others if applicable.)
2  These advisory agreements were changed by a vote of shareholders in
_________ 1999.  The new advisory fee will be:  CSIF, Balanced, 0.375%; CSIF
Equity, 0.45%; CSIF Bond, 0.30%; CWVF International Equity, 0.70%; CWVF
Capital Accumulation, 0.60%; and TCF New Vision Small Cap, 0.70%.
3  CSIF Managed Index has not had a full year of operations.  Its advisory
agreement provides for a fee of 0.60% of the Portfolio's first $500 million of
average daily net assets and 0.55% of any such assets over $500 million.
4 CSIF Managed Index has a recapture provision which allows CAMCO to recapture
from the Fund in a later year any fees CAMCO waives or expenses it assumes,
subject to certain limitations.

CSIF Balanced has a performance adjustment which could cause the fee to be as
high as 0.85% or low as 0.55%, depending on its performance relative to the
relevant index (CAMCO:  Lehman Aggregate Bond; NCM:  Russell 3000, Brown:  S&P
500).  CWVF Capital Accumulation has a performance adjustment which could
cause the fee to be as high as 0.85% or as low as 0.75%, depending on its
performance relative to the S&P 400 Midcap Index.

A Word About the Year 2000 (Y2K) and Our Computer Systems

Like other mutual funds, CAMCO and its service providers use computer systems
for all aspects of our business -- processing shareholder and fund
transactions, fund accounting, executing trades, and pricing securities just
to name a few.  Many current software programs cannot distinguish between the
year 2000 and the year 1900.  This can cause problems with retirement plan
distributions, dividend payment software, transaction software, and numerous
other areas that could impact the Funds.  Calvert Group has been reviewing all
of its computer systems for Y2K compliance.  Although, at this time, there can
be no assurance that there will be no negative impact on the Funds, the
Advisor, the underwriter, transfer agent and custodian have advised the Funds
that they have been actively working on any necessary changes to their
computer systems to prepare for Y2K and expect that their systems, and those
of their outside service providers, will be adapted in time for that event.
For more information, please visit our website at www.calvertgroup.com.

CAMCO, and its affiliates may pay certain broker-dealers and/or other persons,
for the sale and distribution of the securities or for services to the Fund.
Payments may include additional compensation based on assets held through that
firm beyond the regularly scheduled rates, and finder's fees. All payments
will be in compliance with the rules of the National Association of Securities
Dealers, Inc.



HOW TO OPEN AN ACCOUNT

Complete and sign an application for each new account.  Be sure to specify
Class I.  For more information, contact
Minimum To Open an Account  $1,000,000      Minimum additional investments -


Wire Funds to:
 

Important - How Shares are Priced
The price of shares is based on each Fund's net asset value ("NAV"). NAV is
computed by adding the value of a Fund's holdings plus other assets,
subtracting liabilities, and then dividing the result by the number of shares
outstanding. If a Fund has more than one class of shares, the NAV of each
class will be different, depending on the number of shares outstanding for
each class.

Portfolio securities and other assets are valued based on market quotations,
except that securities maturing within 60 days are valued at amortized cost.
CSIF Money Market is valued according to the "amortized cost" method, which is
intended to stabilize the NAV at $1 per share. If market quotations are not
readily available, securities are valued by a method that the Fund's Board of
Trustees/Directors believes accurately reflects fair value.

The NAV is calculated as of the close of each business day, which coincides
with the closing of the regular session of the New York Stock Exchange
("NYSE") (normally 4 p.m. ET). Each Fund is open for business each day the
NYSE is open.

Some Funds hold securities that are primarily listed on foreign exchanges that
trade on days when the NYSE is closed. These Funds do not price shares on days
when the NYSE is closed, even if foreign markets may be open. As a result, the
value of the Fund's shares may change on days when you will not be able to buy
or sell your shares.

When Your Account Will Be Credited
Your purchase will be processed at the next NAV calculated after your order is
received and accepted. All of your purchases must be made in US dollars and
checks must be drawn on US banks. No cash will be accepted. Each Fund reserves
the right to suspend the offering of shares for a period of time or to reject
any specific purchase order. As a convenience, check purchases received at
Calvert's office in Bethesda, Maryland will be sent by overnight delivery to
the Transfer Agent and will be credited the next business day upon receipt.
Any check purchase received without an investment slip may cause delayed
crediting. If your check does not clear your bank, your purchase will be
canceled and you will be charged a $10 fee plus any costs incurred. Check or
electronic funds transfer purchases will be on hold for up to 10 business
days. All purchases will be confirmed and credited to your account in full and
fractional shares (rounded to the nearest 1/1000th of a share).

OTHER CALVERT GROUP FEATURES

CALVERT INFORMATION NETWORK
For 24 hour performance and account information call 800-368-2745 or visit
http://www.calvertgroup.com
You can obtain current performance and pricing information, verify account
balances, and authorize certain transactions with the convenience of one phone
call, 24 hours a day.

ACCOUNT SERVICES
By signing up for services when you open your account, you avoid having to
obtain a signature guarantee. If you wish to add services at a later date, a
signature guarantee to verify your signature may be obtained from any bank,
trust company and savings and loan association, credit union, broker-dealer
firm or member of a domestic stock exchange. A notary public cannot provide a
signature guarantee.

CALVERT MONEY CONTROLLER
Calvert Money Controller allows you to purchase or sell shares by electronic
funds transfer without the time delay of mailing a check or the added expense
of a wire. Use this service to transfer up to $300,000 electronically. Allow
one or two business days after you place your request for the transfer to take
place. Money transferred to purchase new shares will be subject to a hold of
up to 10 business days before redemption requests will be honored. Transaction
requests must be received by 4 p.m. ET. You may request this service on your
initial account application.


TELEPHONE TRANSACTIONS
You may purchase, redeem, or exchange shares, wire funds and use Calvert Money
Controller by telephone if you have pre-authorized service instructions. You
receive telephone privileges automatically when you open your account unless
you elect otherwise. For our mutual protection, the Fund, the shareholder
servicing agent and their affiliates use precautions such as verifying
shareholder identity and recording telephone calls to confirm instructions
given by phone. A confirmation statement is sent for most transactions; please
review this statement and verify the accuracy of your transaction immediately.

EXCHANGES
Calvert Group offers a wide variety of investment options that includes common
stock funds, tax-exempt and corporate bond funds, and money market funds (call
your broker or Calvert representative for more information). We make it easy
for you to purchase shares in other Calvert funds if your investment goals
change. The exchange privilege offers flexibility by allowing you to exchange
shares on which you have already paid a sales charge from one mutual fund to
another at no additional charge.

Complete and sign an account application, taking care to register your new
account in the same name and taxpayer identification number as your existing
Calvert account(s). Exchange instructions may then be given by telephone if
telephone redemptions have been authorized and the shares are not in
certificate form.

Before you make an exchange, please note the following:
Each exchange represents the sale of shares of one Fund and the purchase of
shares of another. Therefore, you could realize a taxable gain or loss.

You may exchange shares acquired by reinvestment of dividends or distributions
into another Calvert Fund at no additional charge.

Shares may only be exchanged for shares of the same class of another Calvert
Fund.

No CDSC is imposed on exchanges of shares subject to a CDSC at the time of the
exchange. The applicable CDSC is imposed at the time the shares acquired by
the exchange are redeemed.

Shareholders (and those managing multiple accounts) who make two purchases and
two exchange redemptions of shares of the same Fund during any six-month
period will be given written notice and may be prohibited from placing
additional investments. This policy does not prohibit a shareholder from
redeeming shares of any Fund, and does not apply to trades solely between
money market funds.

Each Fund reserves the right to terminate or modify the exchange privilege
with 60 days' written notice.

COMBINED GENERAL MAILINGS (Householding)
Multiple accounts with the same social security number will receive one
mailing per household of information such as prospectuses and semi-annual and
annual reports. You may request further grouping of accounts to receive fewer
mailings. Separate statements will be generated for each separate account and
will be mailed in one envelope for each combination above.

SPECIAL SERVICES AND CHARGES
Each Fund pays for shareholder services but not for special services that are
required by a few shareholders, such as a request for a historical transcript
of an account or a stop payment on a draft. You may be required to pay a fee
for these special services; for example, the fee for stop payments is $25.

If you are purchasing shares through a program of services offered by a
broker/dealer or financial institution, you should read the program materials
together with this Prospectus. Certain features may be modified in these
programs, and the broker/dealer or financial institution may impose charges
for their services.

MINIMUM ACCOUNT BALANCE
Please maintain a balance in each of your Fund accounts of at least $1,000,000
per Portfolio.  If the balance in your account falls below the minimum during
a month, a fee of $____ may be charged to your account.  If due to
redemptions, the account falls below the minimum, your account may be closed
and the proceeds mailed to the address of record.  You will be given a notice
that your account is below the minimum and will be closed after 30 days if the
balance is not brought up to the required minimum amount.

DIVIDENDS, CAPITAL GAINS AND TAXES

Each Fund pays dividends from its net investment income as shown below. Net
investment income consists of interest income, net short-term capital gains,
if any, and dividends declared and paid on investments, less expenses.
Distributions of net short-term capital gains (treated as dividends for tax
purposes) and net long-term capital gains, if any, are normally paid once a
year; however, the Funds do not anticipate making any such distributions
unless available capital loss carryovers have been used or have expired.
Dividend and distribution payments will vary between classes.

CSIF Money Market               Accrued daily, paid monthly
CSIF Bond                       Paid monthly
CSIF Balanced                   Paid quarterly
CSIF Equity                     Paid annually
CSIF Managed Index              Paid annually
CWVF International Equity       Paid annually
CWVF Capital Accumulation       Paid annually
TCF New Vision Small Cap        Paid annually

Dividend payment options
Dividends and any distributions are automatically reinvested in the same Fund
at NAV (without sales charge), unless you elect to have amounts of $10 or more
paid in cash (by check or by Calvert Money Controller). Dividends and
distributions from any Calvert Group Fund may be automatically invested in an
identically registered account in any other Calvert Group Fund at NAV. If
reinvested in the same account, new shares will be purchased at NAV on the
reinvestment date, which is generally 1 to 3 days prior to the payment date.
You must notify the Funds in writing to change your payment options. If you
elect to have dividends and/or distributions paid in cash, and the US Postal
Service cannot deliver the check, or if it remains uncashed for an extended
period, it, as well as future dividends and distributions, will be reinvested
in additional shares. No dividends will accrue on amounts represented by
uncashed distribution or redemption checks.

Buying a Dividend (Not Applicable to Money Market Funds)
At the time of purchase, the share price of each class may reflect
undistributed income, capital gains or unrealized appreciation of securities.
Any income or capital gains from these amounts which are later distributed to
you are fully taxable. On the record date for a distribution, share value is
reduced by the amount of the distribution. If you buy shares just before the
record date ("buying a dividend") you will pay the full price for the shares
and then receive a portion of the price back as a taxable distribution.

Federal Taxes
In January, each Fund will mail you Form 1099-DIV indicating the federal tax
status of dividends and any capital gain distributions paid to you during the
past year. Generally, dividends and distributions are taxable in the year they
are paid. However, any dividends and distributions paid in January but
declared during the prior three months are taxable in the year declared.
Dividends and distributions are taxable to you regardless of whether they are
taken in cash or reinvested. Dividends, including short-term capital gains,
are taxable as ordinary income. Distributions from long-term capital gains are
taxable as long-term capital gains, regardless of how long you have owned
shares.

For Non-Money Market Funds
You may realize a capital gain or loss when you sell or exchange shares. This
capital gain or loss will be short- or long-term, depending on how long you
have owned the shares which were sold. In January, these Funds will mail you
Form 1099-B indicating the total amount of all sales, including exchanges. You
should keep your annual year-end account statements to determine the cost
(basis) of the shares to report on your tax returns.

Other Tax Information
In addition to federal taxes, you may be subject to state or local taxes on
your investment, depending on the laws in your area. You will be notified to
the extent, if any, that dividends reflect interest received from US
government securities. Such dividends may be exempt from certain state income
taxes.

Taxpayer Identification Number
If we do not have your correct Social Security or Taxpayer Identification
Number ("TIN") and a signed certified application or Form W-9, Federal law
requires us to withhold 31% of your reportable dividends, and possibly 31% of
certain redemptions. In addition, you may be subject to a fine by the Internal
Revenue Service. You will also be prohibited from opening another account by
exchange. If this TIN information is not received within 60 days after your
account is established, your account may be redeemed (closed) at the current
NAV on the date of redemption. Calvert Group reserves the right to reject any
new account or any purchase order for failure to supply a certified TIN.

HOW TO SELL SHARES

You may redeem all or a portion of your shares on any day your Fund is open
for business.  Your shares will be redeemed at the next NAV calculated after
your redemption request is received and accepted.  (The proceeds will normally
be sent to you on the next business day, but if making immediate payment could
adversely affect your Fund, it may take up to seven (7) days to make payment..
The Funds have the right to redeem shares in assets other than cash for
redemption amounts exceeding, in any 90-day period, $250,000 or 1% of the net
asset value of the affected Fund, whichever is less. When the NYSE is closed
(or when trading is restricted) for any reason other than its customary
weekend or holiday closings, or under any emergency circumstances as
determined by the Securities and Exchange Commission, redemptions may be
suspended or payment dates postponed.

Follow these suggestions to ensure timely processing of your redemption
request:

By Telephone
You may redeem shares from your account by telephone and have your money
mailed to your address of record or electronically transferred or wired to a
bank you have previously authorized.

Written Requests
Calvert Group, P.O. Box 419544, Kansas City, MO 64141-6544
Your letter should include your account number and fund and the number of
shares or the dollar amount you are redeeming. Please provide a daytime
telephone number, if possible, for us to call if we have questions. If the
money is being sent to a new bank, person, or address other than the address
of record, your letter must be signature guaranteed.

Corporations and Associations
Your letter of instruction and corporate resolution should be signed by
person(s) authorized to act on the account, accompanied by signature
guarantee(s).

Trusts
Your letter of instruction should be signed by the Trustee(s) (as Trustee(s)),
with a signature guarantee. (If the Trustee's name is not registered on your
account, please provide a copy of the trust document, certified within the
last 60 days.)

FINANCIAL HIGHLIGHTS

The financial highlights table is intended to help you understand the Funds'
financial performance for the past 5 years (or if shorter, the period of the
Fund's operations).  Certain information reflects financial results for a
single share, by Fund and Class.  The total returns in the table represent the
rate that an investor would have earned (or lost) on an investment in a Fund
(assuming reinvestment of all dividends and distributions), and does not
reflect any applicable front- or back-end sales charge. This information has
been audited by PricewaterhouseCoopers, LLP whose report, along with a Fund's
financial statements, are included in the Fund's annual report, which is
available upon request.
[insert financial highlights info for CSIF Managed Index Class I.]


To Open an Account:
800-368-2748

Performance and Prices:
Calvert Information Network
24 hours, 7 days a week
800-368-2745

Service for Existing Accounts:
Shareholders  800-368-2745
Brokers  800-368-2746

TDD for Hearing-Impaired:
800-541-1524

Branch Office:
4550 Montgomery Avenue
Suite 1000N
Bethesda, Maryland 20814

Registered, Certified or
Overnight Mail:
Calvert Group
c/o NFDS, 6th Floor
1004 Baltimore
Kansas City, MO 64105

Calvert Group Web-Site
Address:  http://www.calvertgroup.com

PRINCIPAL UNDERWRITER
Calvert Distributors, Inc.
4550 Montgomery Avenue
Suite 1000N
Bethesda, Maryland 20814



OUTSIDE BACK COVER PAGE (REQUIRED INFORMATION)

For investors who want more information about the Funds, the following
documents are available free upon request:

Annual/Semi-Annual Reports:  Additional information about each Fund's
investments is available in the Fund's Annual and Semi-Annual reports to
shareholders.  In each Fund's annual report, you will find a discussion of the
market conditions and investment strategies that significantly affected the
Fund's performance during its last fiscal year.

Statement of Additional Information (SAI):  The SAI for each Fund provides
more detailed information about the Fund and is incorporated into this
prospectus by reference.

You can get free copies of reports and SAIs, request other information and
discuss your questions about the Funds by contacting your broker, or the Funds
at:



Calvert Group
4550 Montgomery Ave, Suite 1000N
Bethesda, Md. 20814

Telephone: 1-800-368-2745

Calvert Group Web-Site
Address: http://www.calvertgroup.com

You can review the Funds' reports and SAIs at the public Reference Room of the
Securities and Exchange Commission.  You can get text only copies:

For a fee, by writing to or calling the Public Reference Room of the
Commission, Washington, D.C. 20549-6009, Telephone:  1-800-SEC-0330.

Free from the Commission's Internet website at http://www.sec.gov.

Investment Company Act file: no.811-________  (CSIF)
                             no.811- ________ (CWVF International Equity and
Capital Accumulation)
                             no.811- ________ (New Vision)


- --------
8CWVF may invest in companies that operate in countries with poor human rights
records if we believe the companies are making a positive contribution.
<PAGE>



PROSPECTUS
January 31, 1999







         Calvert Income Fund











These securities have not been approved
or disapproved by the Securities and
Exchange Commission or any State
Securities Commission, nor has the
Federal or any State Securities
Commission passed on the accuracy or
adequacy of this prospectus.  Any
representation to the contrary is a
criminal offense.





                               TABLE OF CONTENTS

About the Fund:
     Investment objective, strategy, past performance
     Fees and Expenses
     Principal Investment Practices and Risks
About Social Investing:
     Socially Responsible Investment Criteria
     Investment Selection Process
     High Social Impact Investments
     Special Equities
About Your Investment
     Portfolio Manager
     Advisory Fees
How to Buy Shares
     Getting Started
     Choosing a Share Class
     Calculation of CDSC/Waiver
     Distribution and Service Fees
     Account Application
     Important - How Shares are Priced
     When Your Account Will be Credited
     Other Calvert Group Features (Exchanges, Minimum Account Balance, etc.)
     Dividends, Capital Gains and Taxes
     How to Sell Shares
     Financial Highlights
     Exhibit A. Reduced Sales Charges (Class A)
     Exhibit B- Service Fees and Other Arrangements with Dealers

Calvert Income Fund

Advisor:                            Calvert Asset Management Company, Inc.

Objective
Calvert Income Fund seeks to maximize long-term income, to the extent
consistent with prudent investment management and preservation of capital,
through investment in bonds and other income producing securities.

Principal investment strategies:  The Fund uses an active strategy, seeking
relative value to earn incremental income.  The Fund typically invests at
least 65% of its assets in investment grade debt securities.

Principal risks:  You could lose money on your investment in the Fund, or the
Fund could underperform, most likely for any of the following reasons:

      The bond market goes down
      The individual bonds in the Fund do not perform as well as expected
      The Advisor's forecast as to interest rates is not correct
      The Advisor's allocation among different sectors of the bond market does
     not perform as well as expected
      The Fund is non-diversified. Compared to other funds, the Fund may
     invest more of its assets in a smaller number of companies. Gains or
     losses on a singe stock may have greater impact on the Fund
     An investment in the Fund is not a bank deposit and is not insured or
guaranteed by the Federal Deposit Insurance Corporation or any other
government agency.

Bar Chart and Performance Table
The bar chart and table below show the Fund's annual returns and its long-term
performance.  The chart shows how the performance of the Class A shares has
varied from year to year.  The table compares the Fund's performance over time
to that of the Lehman Aggregate Bond Index .  This is a widely recognized,
unmanaged index of bond prices.  It also shows the Fund's returns compared to
the Lipper Corporate Debt Funds BBB Rated Index, a composite index of the
annual return of mutual funds that have an investment goal similar to that of
the Fund.  The Fund's past performance does not necessarily indicate how the
Fund will perform in the future.

The return for the Fund's other classes of shares offered by this prospectus
will differ from the Class A returns shown in the bar chart, depending upon
the expenses of that Class.  The bar chart does not reflect any sales charge
that you may be required to pay upon purchase or redemption of the Fund's
shares.  Any sales charge will reduce your return.  The average total return
table shows returns with the maximum sales charge deducted. No sales charge
has been applied to the index and average used for comparison in the table.

                                   BAR CHART
Calendar year                 (Class A return at NAV)
% return

    1988             1989           1990       1991     1998
   ______%          _______%         _____%    _____%   _____%


Best Quarter (of periods shown): QX '9X
Worst Quarter (of periods shown): QX '9X

Average annual total returns
for the periods ended September 30, 1998

                                                     1 year   5 years  10 years
Class A                                              ____%      __%      __%
Class B                                                1        NA       NA
Class C                                                2        NA       NA
Class I                                                3        NA       NA
Lehman Aggregate
     Bond Index TR                                     __%      __%      __%
Lipper Corporate Debt
        Funds BBB Rated Index                          __%      __%      __%

1 From inception (__/__/__) ____%
2 From inception (__/__/__) ____%
3 From inception (__/__/__) ____%

Fees and Expenses
This table describes the fees and expenses that you may pay if you buy
and hold shares of the Fund.  Shareholder fees are paid directly from
your account; annual Fund operating expenses are deducted from Fund assets.

CLASS A
Shareholder fees
         Maximum sales charge (load) imposed on               3.75%
         purchases (as a percentage of offering price)
         Maximum deferred sales charge (load)                 None1
         (as a percentage of purchase or redemption
         proceeds, whichever is lower)

Annual fund operating expenses
         Management fees
         Distribution and service (12b-1) fees
         Other expenses
         Total annual fund operating expenses

CLASS B
Shareholder fees
         Maximum sales charge (load) imposed on               None
         purchases (as a percentage of offering price)
         Maximum deferred sales charge (load)                 4%3
         (as a percentage of purchase or redemption
         proceeds, whichever is lower)


Annual fund operating expenses
         Management fees
         Distribution and service (12b-1) fees
         Other expenses
         Total annual fund operating expenses

CLASS C
Shareholder fees
         Maximum sales charge (load) imposed one              None
         purchases (as a percentage of offering price)
         Maximum deferred sales charge (load)                 1%4
         (as a percentage of purchase or redemption
         proceeds, whichever is lower)
 
Annual fund operating expenses
         Management fees
         Distribution and service (12b-1) fees
         Other expenses
         Total annual fund operating expenses

CLASS I
Shareholder fees
         Maximum sales charge (load) imposed on               None
         purchases (as a percentage of offering price)
         Maximum deferred sales charge (load)                 None
         (as a percentage of purchase or redemption
         proceeds, whichever is lower)

Annual fund operating expenses
         Management fees
         Distribution and service (12b-1) fees
         Other expenses
         Total annual fund operating expenses

Explanation of Fees and Expenses Table
1  Purchases of Class A shares of $1 million or more are not subject to
 front-end sales charges, but may be subject to a 1.0% contingent deferred
sales charge on shares redeemed within 1 year of purchase.
 (See "How to Buy Shares - Class A)
3  A contingent deferred sales charge is imposed on the proceeds of Class B
shares redeemed within 4 years, subject to certain exceptions.  The charge is
a percentage of net asset value at the time of purchase or redemption,
whichever is less, and declines from 4% in the first year that shares are
held, to 3% in the second, 2% in the third year, and 1% in the fourth year.
There is no charge on redemptions of Class B shares held for more than four
years.  See "Calculation of Contingent Deferred Sales Charge"
4  A contingent deferred sales charge is imposed on the proceeds of Class C
shares redeemed within one year.  The charge is a percentage of net asset
value at the time of purchase or redemption, whichever is less.  See
"Calculation of Contingent Deferred Sales Charge"


Annual Fund Operating Expenses are based on historical expenses,
 except Other Expenses for Class B, C and I which are estimates.
Management fees include the administrative fee paid by the Fund
to Calvert Administrative Services Company, an affiliate of Calvert Asset
Management Company, Inc. ("CAMCO").

The Fund's Rule 12b-1 fees include an asset-based sales charge.
Thus, long-term shareholders in the Fund may pay more in total sales
charges than the economic equivalent of the maximum front-end sales
charge permitted by rules of the National Association of Securities
Dealers, Inc. (the "NASD").

Example
This example is intended to help you compare the cost of investing in a Fund
with the cost of investing in other mutual funds.    The example assumes that:

          You invest $10,000 in the Fund for the time periods indicated;
          Your investment has a 5% return each year; and
          The Fund's operating expenses remain the same.

     Although your actual costs may be higher or lower, under these
assumptions your costs would be:



Number of Years Investment is Held  Class A            Class B     Class B
                                                       No Redem.    W/Redem.
Year 1                                $___             $___        $___
Year 3                                $___             $___        $___
Year 5                                $___             $___        $___
Year 10                               $___             $___        $___


                                      Class C           Class C
                                      W/Redem.         No Redem.   Class I
Year 1                                $___             $___        $___
Year 3                                $___             $___        $___
Year 5                                $___             $___        $___
Year 10                               $___             $___        $___


Principal Investment Practices and Risks
The most concise description of the Fund's risk profile is under the risk-
return summary.  The Fund is also permitted to invest in certain other
investments and to use certain investment techniques that have higher
risks associated with them.  On the following pages are brief descriptions
of these other principal investments and techniques, along with their risks.

For each of the investment practices listed, the table below shows the
Fund's limitations as a percentage of its assets and the principal types of
risk involved.  (See the pages following the table for a description of the
types of risks).  Numbers in this table show maximum allowable amount
only; for actual usage, consult the Fund's annual/semi-annual reports.

         @        Fund currently uses
         0        Permitted, but not typically used (% of assets allowable, if
restricted)
         --       Not permitted
         xN       Allowed up to x% of fund's net assets
         xT       Allowed up to x% of Fund's total assets
         NA       Not applicable to this type of fund

Investment Practices

Active Trading Strategy/Turnover involves selling a security soon
after purchase.  An active trading strategy causes a fund to have       @
higher portfolio turnover compared to other funds and higher
transaction costs, such as commissions and custodian and settlement
fees, and may increase a Fund's tax liability.  Risks:  Opportunity,
Market and Transaction.

Temporary Defensive Positions.
During adverse market, economic or political conditions, the Fund may   0
depart from its principal investment strategies by increasing its
investment in U.S. government securities and other short-term
interest-bearing securities. Risks: Opportunity.

Conventional Securities
                                                                        20N
Foreign Securities. Securities issued by companies located outside
the U.S. and/or traded primarily on a foreign exchange. Risks:
Market, Currency, Transaction, Liquidity, Information and Political.

Investment grade bonds.  Bonds rated BBB/Baa or higher or comparable
unrated bonds.  Risks:  Interest Rate, Market and Credit.               @
Below-investment grade bonds.  Bonds rated below BBB/Baa or             35N
comparable unrated bonds are considered junk bonds.  They are subject
to greater credit risk than investment grade bonds. Risks:  Credit,
Market, Interest Rate, Liquidity and Information.


Unrated debt securities.  Bonds that have not been rated by a
recognized rating agency; the Advisor has determined the credit
quality based on its own research.  Risks:  Credit, Market, Interest
Rate, Liquidity and Information.                                        @

Illiquid securities.  Securities which cannot be readily sold because
there is no active market. Risks:  Liquidity, Market and Transaction.   15N

Unleveraged derivative securities
Asset-backed securities.  Securities are backed by unsecured debt,      @
such as credit card debt.  These securities are often guaranteed or
over-collateralized to enhance their credit quality. Risks: Credit,
Interest Rate and Liquidity.

Mortgage-backed securities.  Securities are backed by pools of
mortgages, including passthrough certificates, and other senior         @
classes of collateralized mortgage obligations (CMOs). Risks:
Credit, Extension, Prepayment, Liquidity and Interest Rate.

Participation interests.  Securities representing an interest in
another security or in bank loans. Risks:  Credit, Interest Rate and    0
Liquidity.

Leveraged derivative instruments Currency contracts.  Contracts
involving the right or obligation to buy or sell a given amount of
foreign currency at a specified price and future date. Risks:  Currency,   0
Leverage, Correlation, Liquidity and Opportunity.

Options on securities and indices.  Contracts giving the holder the
right but not the obligation to purchase or sell a security (or the cash   5T
value, in the case of an option on an index) at a specified price within
a specified time. In the case of selling (writing) options, the Fund
will write call options only if they already own the security (if it is
"covered"). Risks:  Interest Rate, Currency, Market, Leverage,
Correlation, Liquidity, Credit and  Opportunity.
Futures contract.  Agreement to buy or sell a specific amount of a
commodity or financial instrument at a particular price on a specific
future date.  Risks:  Interest Rate, Currency, Market, Leverage,           0
Correlation, Liquidity and Opportunity.                                    5N

Structured securities
Indexed and/or leveraged mortgage-backed and other debt securities,
including principal-only and interest-only securities, leveraged           0
floating rate securities, and others.  These securities tend to be
highly sensitive to interest rate movements and their performance may
not correlate to these movements in a conventional fashion. Risks:
Credit, Interest Rate, Extension, Prepayment, Market, Leverage,
Liquidity and Correlation.


The Fund has additional investment policies and restrictions that are not
principal to its investment strategies (for example, repurchase
agreements, borrowing, pledging, and reverse repurchase agreements,
securities lending, when-issued securities, and short sales.)  These
policies and restrictions are discussed in the SAI.

Types of Investment Risk

Correlation risk

This occurs when a Fund "hedges"- uses one investment to offset the Fund's
position in another.  If the two investments do not behave in relation to one
another the way Fund managers expect them to, then unexpected or undesired
results may occur.  For example, a hedge may eliminate or reduce gains as well
as offset losses.

Credit risk

The risk that the issuer of a security or the counterparty to an investment
contract may default or become unable to pay its obligations when due.

Currency risk

Currency risk occurs when a Fund buys or sells a security denominated in
foreign currency.  Foreign currencies "float" in value against the U.S.
dollar.  Adverse changes in foreign currency values can cause investment
losses when a Fund's investments are converted to U.S. dollars.

Extension risk

The risk that an unexpected rise in interest rates will extend the life of a
mortgage-backed security beyond the expected prepayment time, typically
reducing the security's value.

Information risk

The risk that information about a security or issuer might not be available,
complete, accurate or comparable.

Interest rate risk

The risk that changes in interest rates will adversely affect the value of an
investor's securities.  When interest rates rise, the value of fixed-income
securities will generally fall.  Conversely, a drop in interest rates will
generally cause an increase in the value of fixed-income securities.
Longer-term securities and zero coupon/"stripped" coupon securities ("strips")
are subject to greater interest rate risk.

Leverage risk

The risk that occurs in some securities or techniques which tend to magnify
the effect of small changes in an index or a market.  This can result in a
loss that exceeds the amount actually invested.

Liquidity risk

The risk that occurs when investments cannot be readily sold.  A Fund may
have to accept a less-than-desirable price to complete the sale of an illiquid
security or may not be able to sell it at all.

Management risk

This risk exists in all mutual funds and means that a Fund's portfolio
management practices might not work to achieve their desired result.

Market risk

The risk that exists in all mutual funds and means the risk that securities
prices in a market, a sector or an industry will fluctuate, and that such
movements might reduce an investment's value.

Opportunity risk

The risk of missing out on an investment opportunity because the assets needed
to take advantage of it are committed to less advantageous investments or
strategies.

Political risk

The risk that may occur with foreign investments, and means that the
value of an investment may be adversely affected by nationalization, taxation,
war, government instability or other economic or political actions or factors.

Prepayment risk

The risk that anticipated prepayments may occur, reducing the value of a
mortgage-backed security.

Transaction risk

The risk that a Fund may be delayed or unable to settle a transaction or that
commissions and settlement expenses may be higher than usual.

About Calvert Group
CAMCO (4550 Montgomery Avenue, Suite 1000N, Bethesda, MD  20814) is the Fund's
investment advisor and provides day-to-day investment management services to
the Fund.  It has been managing mutual funds since 1976.  CAMCO is the
investment advisor for over 25 mutual funds, including the first and largest
family of socially screened funds.  As of December 31, 1998, CAMCO had over
$____ billion in assets under management.

CAMCO uses a team approach to its management of the Fund.  Since February 11,
1995, investment selections for the Fund have been made by a committee of the
Advisor's fixed-income portfolio managers.
Reno J. Martini, Senior Vice President and Chief Investment Officer, heads
this team and oversees the management of all Calvert Funds for CAMCO.  Mr.
Martini has over 18 years of experience in the investment industry and has
been the head of CAMCO's asset management team since 1985.

Advisory Fees
The Advisor receives a fee based on a percentage of the Fund's assets.  For
its services, under its advisory agreement for the most recent fiscal year,
the Advisor receives an investment advisory fee of 0.35% of the Fund's average
daily net assets.

A Word About the Year 2000 (Y2K) and Our Computer Systems
Like other mutual funds, CAMCO and its service providers use computer systems
for all aspects of our business -- processing shareholder and fund
transactions, fund accounting, executing trades, and pricing securities just
to name a few.  Many current software programs cannot distinguish between the
year 2000 and the year 1900.  This can cause problems with retirement plan
distributions, dividend payment software, transaction software, and numerous
other areas that could impact the Fund.  Calvert Group has been reviewing all
of its computer systems for Y2K compliance.  Although, at this time, there can
be no assurance that there will be no negative impact on the Fund, the
Advisor, the underwriter, transfer agent and custodian have advised the Fund
that they have been actively working on any necessary changes to their
computer systems to prepare for Y2K and expect that their systems, and those
of their outside service providers, will be adapted in time for that event.
For more information, please visit our website at www.calvertgroup.com.


                               SHAREHOLDER GUIDE

                               HOW TO BUY SHARES

GETTING STARTED - BEFORE YOU OPEN AN ACCOUNT.
You have a few decisions to make before you open an account in a mutual fund.

      First, decide which fund or funds best suits your needs and your goals.
      Second, decide what kind of account you want to open. Calvert offers
     individual, joint, trust, Uniform Gifts/Transfers to Minor Accounts,
     Traditional and Roth IRAs, Qualified Profit-Sharing and Money Purchase
     Plans, SIMPLE IRAs, SEP-IRAs, 403(b)(7) accounts, and several other types
     of accounts. Minimum investments are lower for the retirement plans.
      Then decide which class of shares is best for you.
      You should make this decision carefully, based on:
          the amount you wish to invest;
          the length of time you plan to keep the investment; and
          the Class expenses.

Choosing a Share Class

The Fund offers four different Classes (Class A, B, C, or I). This chart shows
the difference in the Classes and the general types of investors who may be
interested in each Class:

Class A:          Class B: Deferred     Class C:        Class I: No Sales
Front-End Sales   Sales Charge for 4    Deferred        Charge
Charge            years                 Sales Charge
                                        for 1 year
For all           For investors who     For investors   For investors who are
investors,        plan to hold the      who are         investing $1 million
particularly      shares at least 4     investing for   or more.
those investing   years. The expenses   at least one
a substantial     of this class are     year, but
amount who plan   higher than Class     less than
to hold the       A, because of the     four years.
shares for a      12b-1 fee.            The expenses
long period of                          of this Class
time.                                   are higher
                                        than Class A,
                                        because of
                                        the 12b-1 fee.

Sales charge on   No sales charge on    No sales        No sales charge.
each purchase     each purchase, but    charge on
of (3.75% or      if you sell your      each
less),            shares within 4       purchase, but
depending on      years, you will pay   if you sell
the amount you    a deferred sales      shares within
invest.           charge of 4% or       1 year, then
                  less on shares you    you will pay
                  sell.                 a deferred
                                        sales charge
                                        of 1% at that
                                        time.

Class A shares    Class B shares have   Class C         No annual 12b-1 fee.
have an annual    an annual 12b-1 fee   shares have
12b-1 fee of up   of 1.00%.             an annual
to 0.50%.                               12b-1 fee of
                                        1.00%.

Class A shares    Your shares will      Class C         Class I shares have
have lower        automatically         shares have     the lowest annual
annual expenses   convert to Class A    higher annual   expenses of all
due to a lower    shares after 4        expenses than   classes.
12b-1 fee.        years, reducing       Class A and
                  your future annual    there is no
                  expenses.             automatic
                                        conversion to
                                        Class A.

                  If you are            If you are
                  investing more than   investing
                  $250,000, you         more than
                  should invest in      $1,000,000,
                  Class A or C.         you should
                                        invest in
                                        Class I.

Class A
If you choose Class A, you will pay a sales charge at the time of each
purchase. This table shows the charges both as a percentage of offering price
and as a percentage of the amount you invest. The term "offering price"
includes the front-end sales charge. If you invest more, the sales charge will
be lower. For example, if you invest more than $50,0005, or if your cumulative
purchases or the value in your account is more than $50,000, then the sales
charge is reduced to 3.00%

Your investment in Class A shares      Sales Chg. % of   % of Amount
                                       offering price    Invested
Less than $50,000                      3.75%             3.90%
$50,000 but less than $100,000         3.00%             3.09%
$100,000 but less than $250,000        2.25%             2.30%
$250,000 but less than $500,000        1.75%             1.78%
$500,000 but less than $1,000,000      1.00%             1.01%
$1,000,000 and over                    None*             None*

* Purchases of $1,000,000 or more may be subject to a one year CDSC of 1.00%.
See the "Calculation of Contingent Deferred Sales Charge and Waiver of Sales
Charges."

The Class A front-end sales charge may be waived for certain purchases or
investors, such as participants in certain group retirement plans or other
qualified groups and clients of registered investment advisers. For details on
these and other purchases that may qualify for a reduced sales charge, see
Exhibit A.

Class B
If you choose Class B, there is no front-end sales charge like Class A, but if
you sell the shares within the first 4 years, you will have to pay a
"contingent deferred" sales charge ("CDSC"). This means that you do not have to
pay the sales charge unless you sell your shares within the first 4 years
after purchase. Keep in mind that the longer you hold the shares, the less you
will have to pay in deferred sales charges.

Time Since Purchase                     CDSC %
1st year                                4%
2nd year                                3%
3rd year                                2%
4th year                                1%
After 5 years                           None

Calculation of Contingent Deferred Sales Charge and Waiver of Sales Charges
The CDSC will not be charged on shares you received as dividends or from
capital gains distributions or on any capital appreciation (gain in the value)
of shares that are sold.

Shares that are not subject to the CDSC will be redeemed first, followed by
shares you have held the longest. The CDSC is calculated by determining the
share value at both the time of purchase and redemption and then multiplying
whichever value is less by the percentage that applies as shown above. For
example, if you invested $5,000 one year again Class B shares, and it is now
worth $5,750, the CDSC will be calculated by taking the lesser of the two
values ($5,000), and multiplying it by 4%, for a CDSC of $200. If you choose
to sell only part of your shares, the capital appreciation for those shares
only is included in the calculation, rather than the capital appreciation for
the entire account.

The CDSC on Class B Shares will be waived in the following circumstances:
      Redemption upon the death or disability of the shareholder, plan
     participant, or beneficiary.6
      Minimum required distributions from retirement plan accounts for
     shareholders 70 1/2 and older.7
      The return of an excess contribution or deferral amounts, pursuant to
     sections 408(d)(4) or (5), 401(k)(8), 402(g)(2), or 401(m)(6) of the
     Internal Revenue Code.
      Involuntary redemptions of accounts under procedures set forth by the
     Fund's Board of Trustees.
      A single annual withdrawal under a systematic withdrawal plan of up to
     10% per year of the shareholder's account balance.8

Class C

If you choose Class C, there is no front-end sales charge like Class A, but if
you sell the shares within the first year, you will have to pay a 1% CDSC.
Class C may be a good choice for you if you plan to buy shares and hold them
for at least 1 year, but not more than five or six years.

Class I
If you choose Class I, there is no sales charge, nor a Distribution Plan. The
minimum initial investment is $1 million; minimum subsequent investment is
$25,000. Class I shares require a minimum account balance of $1 million.
Purchases must be by bank wire.

More on Comparison of Classes
The Example at the beginning of this prospectus compares the expenses of each
class, with and without redemptions. The Example includes both direct expenses
that you pay, such as the sales charges, and indirect expenses that are paid
by the Fund. The indirect expenses include management, shareholder servicing,
and 12b-1 fees. These fees may vary from class to class and can impact your
total return. Consider your investment goals and time period for investing to
help decide which class is best for you.

Distribution and Service Fees
The Fund has adopted a plan under Rule 12b-1 of the Investment Company Act of
1940 that allows it to pay distribution fees for the sale and distribution of
its shares. The distribution plan also pays service fees to persons (such as
your financial professional) for services provided to shareholders. Because
these fees are paid out of a Fund's assets on an ongoing basis, over time,
these fees will increase the cost of your investment and may cost you more
than paying other types of sales charges.  Please see Exhibit B for more
service fee information.

The table below shows the maximum annual percentage payable under the
distribution plan, and the amount actually paid by the Fund for the most
recent fiscal year. The fees are based on average daily net assets of the
particular Class.

Maximum Payable Under Plan/Amount Actually Paid

Class A           Class B           Class C          Class I

0.50%/0.15%       1.00%/1.00%       1.00%/1.00%      N/A

                        NEXT STEP - ACCOUNT APPLICATION

Complete and sign an application for each new account. When multiple classes
of shares are offered, please specify which class you wish to purchase. For
more information, contact your broker or our shareholder services department
at 800-368-2748.

FOR CLASS A, B, OR C
Minimum To Open an Account              Minimum additional
                                        Investments
$2,000                                  $250

Please make your check payable          Calvert Group
to the Fund and mail it to:             PO Box ______ (new accounts -- include
application)
                                        PO Box ______ (subsequent investments
                                        -- include investment slip)
                                        Kansas City, MO 64141-6544

By Registered,                          Calvert Group
Certified, or                           c/o NFDS, 6th Floor
Overnight Mail                          1004 Baltimore
                                        Kansas City, MO 64105-1807

At the Calvert Office                   Visit the Calvert Office to make
investments by check.
                                        See the back cover page for the
address.


FOR CLASS I
Minimum To Open an Account          Minimum additional
                                    Investments
$1 million                          $25,000

Wire investments to:                    State Street Bank and Trust Company
                                        Boston MA
                                        ABA# 011000028
                                        FBO: Calvert Income Fund
                                        Wire Account #_____________
                                        Your name and account number

Important - How Shares are Priced
The price of shares is based on the Fund's net asset value ("NAV"). NAV is
computed by adding the value of a Fund's holdings plus other assets,
subtracting liabilities, and then dividing the result by the number of shares
outstanding. If a Fund has more than one class of shares, the NAV of each
class will be different, depending on the number of shares outstanding for
each class.

Portfolio securities and other assets are valued based on market quotations,
except that securities maturing within 60 days are valued at amortized cost.
If market quotations are not readily available, securities are valued by a
method that the Fund's Board of Trustees believes accurately reflects fair
value.

The NAV is calculated as of the close of each business day, which coincides
with the closing of the regular session of the New York Stock Exchange
("NYSE") (normally 4 p.m. ET). The Fund is open for business each day the NYSE
is open.

The Fund may hold securities that are primarily listed on foreign exchanges
that trade on days when the NYSE is closed. The Fund does not price shares on
days when the NYSE is closed, even if foreign markets may be open. As a
result, the value of the Fund's shares may change on days when you will not be
able to buy or sell your shares.

When Your Account Will Be Credited
Your purchase will be processed at the next NAV calculated after your order is
received and accepted. All of your purchases must be made in US dollars and
checks must be drawn on US banks. No cash will be accepted. The Fund reserves
the right to suspend the offering of shares for a period of time or to reject
any specific purchase order. As a convenience, check purchases received at
Calvert's office in Bethesda, Maryland will be sent by overnight delivery to
the Transfer Agent and will be credited the next business day upon receipt.
Any check purchase received without an investment slip may cause delayed
crediting. If your check does not clear your bank, your purchase will be
canceled and you will be charged a $10 fee plus any costs incurred. Check or
electronic funds transfer purchases will be on hold for up to 10 business
days. All purchases will be confirmed and credited to your account in full and
fractional shares (rounded to the nearest 1/1000th of a share).

                          OTHER CALVERT GROUP FEATURES

CALVERT INFORMATION NETWORK
For 24 hour performance and account information call 800-368-2745 or visit
http://www.calvertgroup.com
You can obtain current performance and pricing information, verify account
balances, and authorize certain transactions with the convenience of one phone
call, 24 hours a day.

ACCOUNT SERVICES
By signing up for services when you open your account, you avoid having to
obtain a signature guarantee. If you wish to add services at a later date, a
signature guarantee to verify your signature may be obtained from any bank,
trust company and savings and loan association, credit union, broker-dealer
firm or member of a domestic stock exchange. A notary public cannot provide a
signature guarantee.

CALVERT MONEY CONTROLLER
Calvert Money Controller allows you to purchase or sell shares by electronic
funds transfer without the time delay of mailing a check or the added expense
of a wire. Use this service to transfer up to $300,000 electronically. Allow
one or two business days after you place your request for the transfer to take
place. Money transferred to purchase new shares will be subject to a hold of
up to 10 business days before redemption requests will be honored. Transaction
requests must be received by 4 p.m. ET. You may request this service on your
initial account application.

TELEPHONE TRANSACTIONS
You may purchase, redeem, or exchange shares, wire funds and use Calvert Money
Controller by telephone if you have pre-authorized service instructions. You
receive telephone privileges automatically when you open your account unless
you elect otherwise. For our mutual protection, the Fund, the shareholder
servicing agent and their affiliates use precautions such as verifying
shareholder identity and recording telephone calls to confirm instructions
given by phone. A confirmation statement is sent for most transactions; please
review this statement and verify the accuracy of your transaction immediately.

EXCHANGES
Calvert Group offers a wide variety of investment options that includes common
stock funds, tax-exempt and corporate bond funds, and money market funds (call
your broker or Calvert representative for more information). We make it easy
for you to purchase shares in other Calvert funds if your investment goals
change. The exchange privilege offers flexibility by allowing you to exchange
shares on which you have already paid a sales charge from one mutual fund to
another at no additional charge.

Complete and sign an account application, taking care to register your new
account in the same name and taxpayer identification number as your existing
Calvert account(s). Exchange instructions may then be given by telephone if
telephone redemptions have been authorized and the shares are not in
certificate form.

Before you make an exchange, please note the following:
Each exchange represents the sale of shares of one Fund and the purchase of
shares of another. Therefore, you could realize a taxable gain or loss.

You may exchange shares acquired by reinvestment of dividends or distributions
into another Calvert Fund at no additional charge.

Shares may only be exchanged for shares of the same class of another Calvert
Fund.

No CDSC is imposed on exchanges of shares subject to a CDSC at the time of the
exchange. The applicable CDSC is imposed at the time the shares acquired by
the exchange are redeemed.

Shareholders (and those managing multiple accounts) who make two purchases and
two exchange redemptions of shares of the same Fund during any six-month
period will be given written notice and may be prohibited from placing
additional investments. This policy does not prohibit a shareholder from
redeeming shares of any Fund, and does not apply to trades solely between
money market funds.

The Fund reserves the right to terminate or modify the exchange privilege with
60 days' written notice.

COMBINED GENERAL MAILINGS (Householding)
Multiple accounts with the same social security number will receive one
mailing per household of information such as prospectuses and semi-annual and
annual reports. You may request further grouping of accounts to receive fewer
mailings. Separate statements will be generated for each separate account and
will be mailed in one envelope for each combination above.

SPECIAL SERVICES AND CHARGES
The Fund pays for shareholder services but not for special services that are
required by a few shareholders, such as a request for a historical transcript
of an account or a stop payment on a draft. You may be required to pay a fee
for these special services; for example, the fee for stop payments is $25.

If you are purchasing shares through a program of services offered by a
broker/dealer or financial institution, you should read the program materials
together with this Prospectus. Certain features may be modified in these
programs, and the broker/dealer or financial institution may impose charges
for their services.

                       DIVIDENDS, CAPITAL GAINS AND TAXES

The Fund pays dividends from its net investment income on a monthly basis. Net
investment income consists of interest income, net short-term capital gains,
if any, and dividends declared and paid on investments, less expenses.
Distributions of net short-term capital gains (treated as dividends for tax
purposes) and net long-term capital gains, if any, are normally paid once a
year; however, the Fund does not anticipate making any such distributions
unless available capital loss carryovers have been used or have expired.
Dividend and distribution payments will vary between classes; dividend
payments are anticipated to be generally higher for Class A shares.

Dividend payment options
Dividends and any distributions are automatically reinvested in the same Fund
at NAV (without sales charge), unless you elect to have amounts of $10 or more
paid in cash (by check or by Calvert Money Controller). Dividends and
distributions from any Calvert Group Fund may be automatically invested in an
identically registered account in any other Calvert Group Fund at NAV. If
reinvested in the same account, new shares will be purchased at NAV on the
reinvestment date, which is generally 1 to 3 days prior to the payment date.
You must notify the Fund in writing to change your payment options. If you
elect to have dividends and/or distributions paid in cash, and the US Postal
Service cannot deliver the check, or if it remains uncashed for an extended
period, it, as well as future dividends and distributions, will be reinvested
in additional shares. No dividends will accrue on amounts represented by
uncashed distribution or redemption checks.

Buying a Dividend
At the time of purchase, the share price of each class may reflect
undistributed income, capital gains or unrealized appreciation of securities.
Any income or capital gains from these amounts which are later distributed to
you are fully taxable. On the record date for a distribution, share value is
reduced by the amount of the distribution. If you buy shares just before the
record date ("buying a dividend") you will pay the full price for the shares
and then receive a portion of the price back as a taxable distribution.

Federal Taxes
In January, the Fund will mail you Form 1099-DIV indicating the federal tax
status of dividends and any capital gain distributions paid to you during the
past year. Generally, dividends and distributions are taxable in the year they
are paid. However, any dividends and distributions paid in January but
declared during the prior three months are taxable in the year declared.
Dividends and distributions are taxable to you regardless of whether they are
taken in cash or reinvested. Dividends, including short-term capital gains,
are taxable as ordinary income. Distributions from long-term capital gains are
taxable as long-term capital gains, regardless of how long you have owned
shares.

You may realize a capital gain or loss when you sell or exchange shares. This
capital gain or loss will be short- or long-term, depending on how long you
have owned the shares which were sold. In January, the Fund will mail you Form
1099-B indicating the total amount of all sales, including exchanges. You
should keep your annual year-end account statements to determine the cost
(basis) of the shares to report on your tax returns.

Other Tax Information
In addition to federal taxes, you may be subject to state or local taxes on
your investment, depending on the laws in your area. You will be notified to
the extent, if any, that dividends reflect interest received from US
government securities. Such dividends may be exempt from certain state income
taxes.

Taxpayer Identification Number
If we do not have your correct Social Security or Taxpayer Identification
Number ("TIN") and a signed certified application or Form W-9, Federal law
requires us to withhold 31% of your reportable dividends, and possibly 31% of
certain redemptions. In addition, you may be subject to a fine by the Internal
Revenue Service. You will also be prohibited from opening another account by
exchange. If this TIN information is not received within 60 days after your
account is established, your account may be redeemed (closed) at the current
NAV on the date of redemption. Calvert Group reserves the right to reject any
new account or any purchase order for failure to supply a certified TIN.

                               HOW TO SELL SHARES

You may redeem all or a portion of your shares on any day your Fund is open
for business, provided the amount requested is not on hold. When you purchase
by check or with Calvert Money Controller (electronic funds transfer), the
purchase will be on hold for up to 10 business days from the date of receipt.
During the hold period, any redemptions will be held until the Transfer Agent
is reasonably satisfied that the purchase payment has been collected.

Your shares will be redeemed at the next NAV calculated after your redemption
request is received and accepted (less any applicable CDSC). The proceeds will
normally be sent to you on the next business day, but if making immediate
payment could adversely affect your Fund, it may take up to seven (7) days to
make payment. Calvert Money Controller redemptions generally will be credited
to your bank account on the second business day after your phone call. The
Fund has the right to redeem shares in assets other than cash for redemption
amounts exceeding, in any 90-day period, $250,000 or 1% of the net asset value
of the Fund, whichever is less. When the NYSE is closed (or when trading is
restricted) for any reason other than its customary weekend or holiday
closings, or under any emergency circumstances as determined by the Securities
and Exchange Commission, redemptions may be suspended or payment dates
postponed.

Follow these suggestions to ensure timely processing of your redemption
request:

By Telephone
You may redeem shares from your account by telephone and have your money
mailed to your address of record or electronically transferred or wired to a
bank you have previously authorized. A charge of $5 may be imposed on wire
transfers of less than $1,000. Class I redemptions must be made by wire.


Written Requests
For Class A, B, or C, mail to: Calvert Group, P.O. Box 419544, Kansas City, MO
64141-6544
For Class I, mail to: Calvert  Institutional  Marketing  Group,  4550 Montgomery
Avenue, Bethesda, Maryland 20814

Your letter should include your account number and fund and the number of
shares or the dollar amount you are redeeming. Please provide a daytime
telephone number, if possible, for us to call if we have questions. If the
money is being sent to a new bank, person, or address other than the address
of record, your letter must be signature guaranteed.

Systematic Check Redemptions
If you maintain an account with a balance of $10,000 or more, you may have up
to two (2) redemption checks for a fixed amount sent to you on the 15th of the
month, simply by sending a letter with all information, including your account
number, and the dollar amount ($100 minimum). If you would like a regular
check mailed to another person or place, your letter must be signature
guaranteed. Unless they otherwise qualify for a waiver, Class B or Class C
shares redeemed by Systematic Check Redemption will be subject to the
Contingent Deferred Sales Charge.

Corporations and Associations
Your letter of instruction and corporate resolution should be signed by
person(s) authorized to act on the account, accompanied by signature
guarantee(s).

Trusts
Your letter of instruction should be signed by the Trustee(s) (as Trustee(s)),
with a signature guarantee. (If the Trustee's name is not registered on your
account, please provide a copy of the trust document, certified within the
last 60 days.)

Through your Dealer
Your dealer must receive your request before the close of regular trading on
the NYSE to receive that day's NAV. Your dealer will be responsible for
furnishing all necessary documentation to Calvert Group and may charge you for
services provided.

                              FINANCIAL HIGHLIGHTS

     The financial highlights table is intended to help you understand the
Fund's financial performance for the past 5 years.  Certain information
reflects financial results for a single share by Class.  The total returns in
the table represent the rate that an investor would have earned (or lost) on
an investment in a Fund (assuming reinvestment of all dividends and
distributions), and does not reflect any applicable front- or back-end sales
charge. This information has been audited by PricewaterhouseCoopers, L.L.P.
whose report, along with the Fund's financial statements, are included in the
Fund's annual report, which is available upon request.

[Insert financial highlights info for past 5 fiscal years per Class]


                                   EXHIBIT A
                      REDUCED SALES CHARGES (CLASS A ONLY)

You may qualify for a reduced sales charge through several purchase plans
available. You must notify the Fund at the time of purchase to take advantage
of the reduced sales charge.

Rights of Accumulation can be applied to several accounts
Class A sales charge breakpoints are automatically calculated for each account
based on the higher of cost or current value of shares previously purchased.
This privilege can be applied to a family group or other qualified group9 upon
request. Shares could then be purchased at the reduced sales charge which
applies to the entire group; that is, based on the higher of cost or current
value of shares previously purchased and currently held by all the members of
the group.

Letter of Intent
If you (or your group, as described above) plan to purchase $50,000 or more of
Calvert Fund shares over the next 13 months, your sales charge may be reduced
through a "Letter of Intent." You pay the lower sales charge applicable to the
total amount you plan to invest over the 13-month period, excluding any money
market fund purchases, instead of the higher 4.75% sales charge. Part of your
shares will be held in escrow, so that if you do not invest the amount
indicated, you will have to pay the sales charge applicable to the smaller
investment actually made. For more information, see the SAI.

Retirement Plans Under Section 457, Section 403(b)(7), or Section 401(k)
There is no sales charge on shares purchased for the benefit of a retirement
plan under section 457 of the Internal Revenue Code of 1986, as amended
("Code"), or for a plan qualifying under section 403(b) or 401(k) of the Code
if, at the time of purchase, (i) Calvert Group has been notified in writing
that the 403(b) or 401(k) plan has at least 200 eligible employees and is not
sponsored by a K-12 school district, or (ii) the cost or current value of
shares a 401(k) plan has in Calvert Group of Funds (except money market funds)
is at least $1 million.

Neither the Fund, nor Calvert Distributors, Inc. ("CDI"), nor any affiliate
thereof will reimburse a plan or participant for any sales charges paid prior
to receipt of such written communication and confirmation by Calvert Group.
Plan administrators should send requests for the waiver of sales charges based
on the above conditions to: Calvert Group Retirement Plans, 4550 Montgomery
Avenue, Suite 1000N, Bethesda, Maryland 20814.

Other Circumstances
There is no sales charge on shares of any Fund of the Calvert Group of Funds
sold to (i) current or retired Directors, Trustees, or Officers of the Calvert
Group of Funds, employees of Calvert Group, Ltd. and its affiliates, or their
family members; (ii) CSIF Advisory Council Members, directors, officers, and
employees of any subadvisor for the Calvert Group of Funds, employees of
broker/dealers distributing the Fund's shares and immediate family members of
the Council, subadvisor, or broker/dealer; (iii) Purchases made through a
Registered Investment Advisor; (iv) Trust departments of banks or savings
institutions for trust clients of such bank or institution, (v) Purchases
through a broker maintaining an omnibus account with the Fund, provided the
purchases are made by (a) investment advisors or financial planners placing
trades for their own accounts (or the accounts of their clients) and who
charge a management, consulting, or other fee for their services; or (b)
clients of such investment advisors or financial planners who place trades for
their own accounts if such accounts are linked to the master account of such
investment advisor or financial planner on the books and records of the broker
or agent; or (c) retirement and deferred compensation plans and trusts,
including, but not limited to, those defined in section 401(a) or section
403(b) of the I.R.C., and "rabbi trusts."

Dividends and Capital Gain Distributions from other Calvert Group Funds
You may prearrange to have your dividends and capital gain distributions from
another Calvert Group Fund automatically invested in another account with no
additional sales charge.

Purchases made at NAV
If you make a purchase at NAV, you may exchange that amount to another Calvert
Group Fund at no additional sales charge.

Reinstatement Privilege
If you redeem shares and then within 30 days decide to reinvest in the same
Fund, you may do so at the net asset value next computed after the
reinvestment order is received, without a sales charge. You may use the
reinstatement privilege only once. The Fund reserves the right to modify or
eliminate this privilege.

                                   EXHIBIT B
                   SERVICE FEES AND ARRANGEMENTS WITH DEALERS

Calvert Distributors, Inc., the Fund's underwriter, pays dealers a commission,
or reallowance (expressed as a percentage of the offering price for Class A,
and a percentage of amount invested for Class B and C) when you purchase
shares of the Fund.  CDI also pays dealers an ongoing service fee while you
own shares of the Fund (expressed as an annual percentage rate of average
daily net assets held in Calvert accounts by that dealer).  The table below
shows the amount of payment which differs depending on the Class.

Maximum Commission/Service Fees

Class A           Class B               Class C*
3.00%/0.25%       3.00%/0.25%           1.00%/1.00%

*Class C pays dealers a service fee of 0.25% and additional compensation of
0.75% for a total of 1.00%.

Occasionally, CDI may reallow to dealers the full Class A front-end sales
charge. CDI may also pay additional concessions, including non-cash
promotional incentives, such as merchandise or trips, to brokers employing
registered representatives who have sold or are expected to sell a minimum
dollar amount of shares of the Fund and/or shares of other Funds underwritten
by CDI. CDI may make expense reimbursements for special training of a broker's
registered representatives, advertising or equipment, or to defray the
expenses of sales contests. CAMCO, CDI, or their affiliates may pay certain
broker-dealers and/or other persons, for the sale and distribution of the
securities or for services to the Fund.   Payments may include additional
compensation based on assets held through that firm beyond the regularly
scheduled rates, and finder's fees. All payments will be in compliance with
the rules of the National Association of Securities Dealers, Inc.


                              To Open an Account:
                                  800-368-2748

                            Performance and Prices:
                          Calvert Information Network
                            24 hours, 7 days a week
                                  800-368-2745

                         Service for Existing Accounts:
                           Shareholders 800-368-2745
                              Brokers 800-368-2746

                           TDD for Hearing-Impaired:
                                  800-541-1524

                                 Branch Office:
                             4550 Montgomery Avenue
                                  Suite 1000N
                            Bethesda, Maryland 20814

                            Registered, Certified or
                                Overnight Mail:
                                 Calvert Group
                              c/o NFDS, 6th Floor
                                 1004 Baltimore
                             Kansas City, MO 64105

                             Calvert Group Web-Site
                      Address: http://www.calvertgroup.com

                             PRINCIPAL UNDERWRITER
                           Calvert Distributors, Inc.
                             4550 Montgomery Avenue
                                  Suite 1000N
                            Bethesda, Maryland 20814


     OUTSIDE BACK COVER PAGE (REQUIRED INFORMATION)

     For investors who want more information about the Fund, the following
documents are available free upon request:

     Annual/Semi-Annual Reports:  Additional information about the Fund's
investments is available in the Fund's Annual and Semi-Annual reports to
shareholders.  In the Fund's annual report, you will find a discussion of the
market conditions and investment strategies that significantly affected the
Fund's performance during its last fiscal year.

     Statement of Additional Information (SAI):  The SAI for the Fund provides
more detailed information about the Fund and is incorporated into this
prospectus by reference.

     You can get free copies of reports and the SAI, request other information
and discuss your questions about the Fund by contacting your broker, or the
Fund at:



Calvert Group
4550 Montgomery Ave, Suite 1000N
Bethesda, Md. 20814

Telephone: 1-800-368-2745

Calvert Group Web-Site
Address: http://www.calvertgroup.com

     You can review the Fund's reports and SAI at the public Reference Room of
the Securities and Exchange Commission.  You can get text only copies:

     For a fee, by writing to or calling the Public Reference Room of the
Commission, Washington, D.C. 20549-6009, Telephone:  1-800-SEC-0330.

     Free from the Commission's Internet website at http://www.sec.gov.

Investment Company Act file:  no.811-_________

- --------
5 This is called "Rights of Accumulation." The sales charge is calculated by
taking into account not only the dollar amount of the new purchase of shares,
but also the higher of cost or current value of shares you have previously
purchased in Calvert Group Funds that impose sales charges. This automatically
applies to your account for each new purchase of Class A shares.
6 "Disability" means a total disability as evidenced by a determination by the
federal Social Security Administration.
7 The maximum amount subject to this waiver is based only upon the
shareholder's Calvert Group retirement accounts.
8 This systematic withdrawal plan requires a minimum account balance of
$50,000 to be established.
9 A "qualified group" is one which:
1.    has been in existence for more than six months, and
2.    has a purpose other than acquiring shares at a discount, and
3.    satisfies uniform criteria which enable CDI and brokers offering shares
     to realize economies of scale in distributing such shares.
A qualified group must have more than 10 members, must be available to arrange
for group meetings between representatives of CDI or brokers distributing
shares, must agree to include sales and other materials related to the Funds
in its publications and mailings to members at reduced or no cost to CDI or
brokers. A pension plan is not a qualified group for rights of accumulation.
<PAGE>


                                THE CALVERT FUND
                       CALVERT NEW VISION SMALL CAP FUND
                4550 Montgomery Avenue, Bethesda, Maryland 20814

                      Statement of Additional Information
                                January 31, 1999

New Account       (800) 368-2748    Shareholder
Information:      (301) 951-4820    Services: (800) 368-2745
Broker            (800) 368-2746    TDD for the Hearing-
Services:         (301) 951-4850    Impaired:  (800) 541-1524

         This Statement of Additional  Information  ("SAI") is not a prospectus.
Investors  should read the Statement of Additional  Information  in  conjunction
with  the  Fund's   Prospectus  dated  January  31,  1999.  The  Fund's  audited
financial   statements   included   in  its  most   recent   Annual   Report  to
Shareholders,  are expressly incorporated by reference,  and made a part of this
SAI.  The  prospectus  and the most  recent  shareholder  report may be obtained
free of charge by writing the Fund at the above address or calling the Fund.


                             TABLE OF CONTENTS

Investment Policies and Risks                       2
Investment Restrictions                             7
Dividends, Distributions and Taxes                  8
Net Asset Value                                     9
Calculation of Total Return                         10
Purchase and Redemption of Shares                   11
Advertising                                         11
Trustees, Officers, and Advisory Council            11
Investment Advisor and Subadvisor                   14
Method of Distribution                              15
Transfer and Shareholder Servicing Agents           16
Fund Transactions                                   17
Independent Accountants and Custodians              18
General Information                                 18
Control Persons & Principal Holders of Securities   18
Appendix                                            19



                         INVESTMENT POLICIES AND RISKS

SMALL CAP ISSUERS
         The  securities of small cap issuers may be less  actively  traded than
the securities of larger issuers,  may trade in a more limited  volume,  and may
change in value more abruptly than securities of larger companies.
         Information  concerning these  securities may not be readily  available
so  that  the  companies  may be  less  actively  followed  by  stock  analysts.
Small-cap  issuers  do not  usually  participate  in market  rallies to the same
extent  as more  widely-known  securities,  and they  tend to have a  relatively
higher percentage of insider ownership.
         Investing  in smaller,  new issuers  generally  involves  greater  risk
than investing in larger,  established  issuers.  Companies in which the Fund is
likely  to  invest  may  have  limited  product  lines,   markets  or  financial
resources and may lack  management  depth.  The securities in such companies may
also have  limited  marketability  and may be subject to more  abrupt or erratic
market movements than securities of larger,  more  established  companies or the
market averages in general.

reit
         The Fund also may invest in real estate investment trusts ("REITs"),
including equity REITs, which own real estate properties, and mortgage REITs,
which make construction, development, and long-term mortgage loans. The value
of an equity REIT may be affected by changes in the value of the underlying
property, while a mortgage REIT may be affected by the quality of the credit
extended. The performance of both types of REITs depends upon conditions in
the real estate industry, management skills, and the amount of cash flow. The
risks associated with REITs include default by borrowers, self-liquidation,
failure to qualify as a pass-through entity under the Federal tax law, failure
to qualify as an exempt entity under the 1940 Act, and the fact that REITs are
not diversified.

Foreign Securities
         Investments  in foreign  securities  may  present  risks not  typically
involved in  domestic  investments.  The Fund may  purchase  foreign  securities
directly,  on foreign  markets,  or those  represented  by  American  Depositary
Receipts   ("ADRs"),   or  other  receipts   evidencing   ownership  of  foreign
securities,  such as  International  Depository  Receipts and Global  Depositary
Receipts.  ADRs are US  dollar-denominated  and traded in the US on exchanges or
over  the  counter.  By  investing  in ADRs  rather  than  directly  in  foreign
issuers'  stock,  the Fund may possibly  avoid some currency and some  liquidity
risks.  The  information  available  for ADRs is subject to the more uniform and
more  exacting  accounting,  auditing and financial  reporting  standards of the
domestic market or exchange on which they are traded.
         Additional  costs may be  incurred  in  connection  with  international
investment  since  foreign   brokerage   commissions  and  the  custodial  costs
associated with maintaining  foreign  portfolio  securities are generally higher
than in the  United  States.  Fee  expense  may  also be  incurred  on  currency
exchanges  when the Fund  changes  investments  from one  country  to another or
converts foreign securities holdings into U.S. dollars.
         United States Government  policies have at times, in the past,  through
imposition of interest  equalization taxes and other  restrictions,  discouraged
certain investments abroad by United States investors.
         Since  investments  in  securities  of  issuers  domiciled  in  foreign
countries  usually involve  currencies of the foreign  countries,  and since the
Fund may temporarily hold funds in foreign  currencies  during the completion of
investment  programs,  the value of the assets of the Fund as measured in United
States  dollars may be affected  favorably or  unfavorably by changes in foreign
currency exchange rates and exchange control  regulations.  For example,  if the
value of the foreign  currency in which a security is  denominated  increases or
declines  in  relation  to the  value  of the  U.S.  dollar,  the  value  of the
security in U.S.  dollars  will  increase or decline  correspondingly.  The Fund
will  conduct  its  foreign  currency  exchange  transactions  either  on a spot
(i.e.,  cash) basis at the spot rate prevailing in the foreign  exchange market,
or  through  entering  into  forward  contracts  to  purchase  or  sell  foreign
currencies.  A forward  foreign  currency  contract  involves an  obligation  to
purchase  or sell a specific  currency  at a future  date which may be any fixed
number of days from the date of the contract  agreed upon by the  parties,  at a
price  set at the  time of the  contract.  These  contracts  are  traded  in the
interbank  market  conducted  directly  between currency traders (usually large,
commercial  banks) and their  customers.  A forward  foreign  currency  contract
generally  has no deposit  requirement,  and no  commissions  are charged at any
stage for trades.
         The Fund may enter into  forward  foreign  currency  contracts  for two
reasons.  First,  the Fund may desire to preserve the United States dollar price
of a security  when it enters  into a  contract  for the  purchase  or sale of a
security  denominated  in a foreign  currency.  The Fund may be able to  protect
itself  against  possible  losses  resulting  from  changes in the  relationship
between  the United  States  dollar  and  foreign  currencies  during the period
between  the  date  the  security  is  purchased  or sold  and the date on which
payment  is made  or  received  by  entering  into a  forward  contract  for the
purchase or sale,  for a fixed  amount of dollars,  of the amount of the foreign
currency involved in the underlying security transactions.
         Second,  when the Advisor or  Subadvisor  believes that the currency of
a  particular  foreign  country  may suffer a  substantial  decline  against the
United States dollar,  the Fund enters into a forward foreign currency  contract
to  sell,  for a fixed  amount  of  dollars,  the  amount  of  foreign  currency
approximating  the  value  of some  or all of the  Fund's  portfolio  securities
denominated  in such  foreign  currency.  The  precise  matching  of the forward
foreign  currency  contract  amounts and the value of the  portfolio  securities
involved  will  not  generally  be  possible  since  the  future  value  of  the
securities  will change as a consequence  of market  movements  between the date
the forward  contract is entered  into and the date it matures.  The  projection
of  short-term  currency  market  movement  is  difficult,  and  the  successful
execution of this short-term  hedging  strategy is uncertain.  Although  forward
foreign  currency  contracts  tend to minimize the risk of loss due to a decline
in the  value of the  hedged  currency,  at the same time they tend to limit any
potential  gain which might result should the value of such  currency  increase.
The Fund  does not  intend to enter  into  such  forward  contracts  under  this
circumstance on a regular or continuous basis.
         Eurocurrency  Conversion Risk.  European  countries that are members of
the  European  Monetary  Union have agreed to use a common  currency  unit,  the
"euro,"  beginning  in  1999.  Currently,  each of these  countries  has its own
currency  unit.  Although  the Advisor and  Subadvisors  do not  anticipate  any
problems  in  conversion  from the old  currencies  to the  euro,  there  may be
issues  involved in settlement,  valuation,  and numerous other areas that could
impact the Fund.  Calvert has been  reviewing  all of its  computer  systems for
Eurocurrency  conversion  compliance.  There can be no assurance that there will
be no  negative  impact  on the  Fund,  however,  the  Advisor,  Subadvisor  and
custodian  have  advised  the Fund that they have been  actively  working on any
necessary  changes to their computer systems to prepare for the conversion,  and
expect that their systems,  and those of their outside service  providers,  will
be adapted in time for that event.

temporary defensive positions
         For temporary defensive purposes - which may include a lack of
adequate purchase candidates or an unfavorable market environment - the Fund
may invest in cash or cash equivalents. Cash equivalents include instruments
such as, but not limited to, U.S. government and agency obligations,
certificates of deposit, banker's acceptances, time deposits commercial paper,
short-term corporate debt securities, and repurchase agreements.

Repurchase Agreements
         The  Fund  may  purchase   debt   securities   subject  to   repurchase
agreements,  which are  arrangements  under which the Fund buys a security,  and
the seller  simultaneously  agrees to  repurchase  the  security  at a specified
time and  price  reflecting  a market  rate of  interest.  The Fund  engages  in
repurchase  agreements  in order to earn a higher  rate of return  than it could
earn  simply  by  investing  in  the  obligation  which  is the  subject  of the
repurchase agreement.  Repurchase agreements are not, however,  without risk. In
the  event  of the  bankruptcy  of a  seller  during  the  term of a  repurchase
agreement,  a legal  question  exists as to whether the Fund would be deemed the
owner of the  underlying  security  or would be deemed  only to have a  security
interest  in and  lien  upon  such  security.  The  Fund  will  only  engage  in
repurchase  agreements with recognized  securities  dealers and banks determined
to  present  minimal  credit  risk  by  the  Advisor  under  the  direction  and
supervision  of the Fund's  Board of Trustees.  In addition,  the Fund will only
engage in repurchase  agreements  reasonably designed to secure fully during the
term of the agreement  the seller's  obligation  to  repurchase  the  underlying
security  and will monitor the market value of the  underlying  security  during
the term of the  agreement.  If the value of the  underlying  security  declines
and is not at least equal to the  repurchase  price due the Fund pursuant to the
agreement,  the Fund will require the seller to pledge additional  securities or
cash to secure  the  seller's  obligations  pursuant  to the  agreement.  If the
seller   defaults  on  its  obligation  to  repurchase  and  the  value  of  the
underlying  security declines,  the Fund may incur a loss and may incur expenses
in  selling  the  underlying  security.  Repurchase  agreements  are  always for
periods  of less than one year.  Repurchase  agreements  not  terminable  within
seven days are considered illiquid.

Reverse Repurchase Agreements
         The Fund may also  engage in  reverse  repurchase  agreements.  Under a
reverse  repurchase   agreement,   the  Fund  sells  securities  to  a  bank  or
securities  dealer and agrees to repurchase  those securities from such party at
an agreed upon date and price  reflecting  a market rate of  interest.  The Fund
invests the proceeds from each reverse  repurchase  agreement in  obligations in
which it is  authorized  to  invest.  The Fund  intends  to enter into a reverse
repurchase  agreement  only  when  the  interest  income  provided  for  in  the
obligation  in which the Fund  invests  the  proceeds  is expected to exceed the
amount the Fund will pay in interest to the other  party to the  agreement  plus
all costs associated with the  transactions.  The Fund does not intend to borrow
for leverage  purposes.  The Fund will only be permitted to pledge assets to the
extent necessary to secure borrowings and reverse repurchase agreements.
         During the time a reverse  repurchase  agreement  is  outstanding,  the
Fund will  maintain in a segregated  custodial  account an amount of cash,  U.S.
Government  securities or other liquid,  high-quality  debt securities  equal in
value to the  repurchase  price.  The Fund  will  mark to  market  the  value of
assets held in the segregated  account,  and will place additional assets in the
account  whenever  the  total  value  of the  account  falls  below  the  amount
required under applicable regulations.
         The Fund's  use of  reverse  repurchase  agreements  involves  the risk
that the other party to the  agreements  could become  subject to  bankruptcy or
liquidation  proceedings  during the period the agreements are  outstanding.  In
such event,  the Fund may not be able to repurchase  the  securities it has sold
to that other party.  Under those  circumstances,  if at the  expiration  of the
agreement  such  securities  are of greater value than the proceeds  obtained by
the Fund  under the  agreements,  the Fund may have been  better  off had it not
entered  into  the  agreement.   However,  the  Fund  will  enter  into  reverse
repurchase  agreements  only with banks and dealers  which the Advisor  believes
present  minimal  credit risks under  guidelines  adopted by the Fund's Board of
Trustees.  In  addition,  the Fund bears the risk that the  market  value of the
securities  it sold may  decline  below the  agreed-upon  repurchase  price,  in
which case the dealer may request the Fund to post additional collateral.

Non-Investment Grade Debt Securities
         Non-investment   grade  debt   securities   are  lower   quality   debt
securities  (generally  those  rated  BB or  lower  by  S&P  or Ba or  lower  by
Moody's,  known  as  "junk  bonds").  These  securities  have  moderate  to poor
protection   of   principal   and  interest   payments   and  have   speculative
characteristics.  (See  Appendix  for  a  description  of  the  ratings.)  These
securities  involve  greater risk of default or price declines due to changes in
the issuer's  creditworthiness than  investment-grade  debt securities.  Because
the market for  lower-rated  securities  may be thinner and less active than for
higher-rated  securities,  there  may  be  market  price  volatility  for  these
securities and limited  liquidity in the resale market.  Market prices for these
securities may decline  significantly in periods of general economic  difficulty
or  rising  interest  rates.  Unrated  debt  securities  may fall into the lower
quality  category.  Unrated  securities  usually are not  attractive  to as many
buyers as rated securities are, which may make them less marketable.
         The quality  limitation  set forth in the Fund's  investment  policy is
determined  immediately  after  the  Fund's  acquisition  of a  given  security.
Accordingly,   any  later  change  in  ratings  will  not  be  considered   when
determining whether an investment complies with the Fund's investment policy.
         When  purchasing  high-yielding  securities,   rated  or  unrated,  the
Advisors  prepare  their own  careful  credit  analysis  to attempt to  identify
those issuers whose financial  condition is adequate to meet future  obligations
or is expected to be adequate in the future.  Through Fund  diversification  and
credit  analysis,  investment  risk can be  reduced,  although  there  can be no
assurance that losses will not occur.

Derivatives
         The Fund  can use  various  techniques  to  increase  or  decrease  its
exposure to changing  security  prices,  interest  rates,  or other factors that
affect security  values.  These techniques may involve  derivative  transactions
such as buying and selling  options and futures  contracts and leveraged  notes,
entering into swap agreements,  and purchasing indexed securities.  The Fund can
use these practices  either as substitution or as protection  against an adverse
move in the Fund to adjust the risk and return  characteristics  of the Fund. If
the Advisor and/or Subadvisor  judges market  conditions  incorrectly or employs
a strategy that does not  correlate  well with a Fund's  investments,  or if the
counterparty to the transaction  does not perform as promised,  these techniques
could result in a loss.  These  techniques may increase the volatility of a Fund
and may involve a small  investment  of cash  relative to the  magnitude  of the
risk assumed. Derivatives are often illiquid.

Options and Futures Contracts
         The Fund may,  in  pursuit  of its  respective  investment  objectives,
purchase  put and call  options  and  engage  in the  writing  of  covered  call
options  and  secured put  options on  securities  which meet the Fund's  social
criteria,  and employ a variety of other  investment  techniques.  Specifically,
the  Fund may also  engage  in the  purchase  and  sale of  stock  index  future
contracts,   foreign   currency   futures   contracts,   interest  rate  futures
contracts, and options on such futures, as described more fully below.
         The Fund may  engage in such  transactions  only to hedge the  existing
positions.  It  will  not  engage  in such  transactions  for  the  purposes  of
speculation or leverage.  Such investment  policies and techniques may involve a
greater  degree of risk than  those  inherent  in more  conservative  investment
approaches.
         The  Fund  may  write  "covered  options"  on  securities  in  standard
contracts  traded on  national  securities  exchanges.  The Fund may write  such
options in order to receive the  premiums  from  options that expire and to seek
net gains from closing purchase transactions with respect to such options.

Put and Call Options.  The Fund may purchase put and call  options,  in standard
contracts  traded on national  securities  exchanges,  on  securities of issuers
which meet the Fund's  social  criteria.  The Fund will  purchase  such  options
only to hedge against  changes in the value of securities  the Fund hold and not
for the purposes of speculation  or leverage.  By buying a put, the Fund has the
right to sell the  security at the  exercise  price,  thus  limiting its risk of
loss  through  a  decline  in the  market  value of the  security  until the put
expires.  The  amount  of any  appreciation  in  the  value  of  the  underlying
security  will be  partially  offset by the amount of the  premium  paid for the
put option and any related  transaction  costs.  Prior to its expiration,  a put
option  may be sold in a closing  sale  transaction  and any profit or loss from
the sale will  depend on whether  the amount  received  is more or less than the
premium paid for the put option plus the related transaction costs.
         The Fund  may  purchase  call  options  on  securities  which  they may
intend  to  purchase   and  which  meet  the  Fund's   social   criteria.   Such
transactions  may be  entered  into in order to limit the risk of a  substantial
increase  in the  market  price  of the  security  which  the  Fund  intends  to
purchase.  Prior to its expiration,  a call option may be sold in a closing sale
transaction.  Any  profit or loss from such a sale will  depend on  whether  the
amount  received is more or less than the premium  paid for the call option plus
the related transaction costs.

Covered  Options.  The Fund may write  only  covered  options on equity and debt
securities in standard contracts traded on national securities  exchanges.  This
means that,  in the case of call  options,  so long as the Fund is  obligated as
the writer of a call option,  the Fund will own the underlying  security subject
to the  option  and,  in the case of put  options,  the Fund will,  through  its
custodian,  deposit and maintain  either cash or securities  with a market value
equal to or greater than the exercise price of the option.
         When the  Fund  writes a  covered  call  option,  the  Fund  gives  the
purchaser  the right to purchase  the  security at the call option  price at any
time  during  the life of the  option.  As the  writer of the  option,  the Fund
receives  a  premium,   less  a  commission,   and  in  exchange   foregoes  the
opportunity  to profit  from any  increase in the market  value of the  security
exceeding  the call option price.  The premium  serves to mitigate the effect of
any  depreciation  in the market  value of the  security.  Writing  covered call
options  can  increase  the income of the Fund and thus  reduce  declines in the
net asset  value per share of the Fund if  securities  covered  by such  options
decline  in value.  Exercise  of a call  option by the  purchaser  however  will
cause the Fund to forego future  appreciation  of the securities  covered by the
option.
         When the Fund  writes a covered  put  option,  it will gain a profit in
the  amount  of the  premium,  less a  commission,  so long as the  price of the
underlying  security  remains  above  the  exercise  price.  However,  the  Fund
remains  obligated to purchase  the  underlying  security  from the buyer of the
put  option  (usually  in the event the price of the  security  falls  below the
exercise  price)  at any time  during  the  option  period.  If the price of the
underlying  security  falls  below the  exercise  price,  the Fund may realize a
loss in the amount of the  difference  between the  exercise  price and the sale
price of the security, less the premium received.
         The Fund  may  purchase  securities  which  may be  covered  with  call
options  solely on the basis of  considerations  consistent  with the investment
objectives  and policies of the Fund. The Fund's  turnover may increase  through
the exercise of a call  option;  this will  generally  occur if the market value
of a "covered"  security  increases  and the Fund has not entered into a closing
purchase transaction.
         Risks  Related  to  Options  Transactions.  The Fund can  close out its
respective  positions  in  exchange-traded  options  only on an  exchange  which
provides  a  secondary  market  in such  options.  Although  the Fund  intend to
acquire  and  write  only  such  exchange-traded  options  for  which an  active
secondary  market  appears  to  exist,  there  can be no  assurance  that such a
market will exist for any particular  option  contract at any  particular  time.
This  might  prevent  the Fund from  closing an options  position,  which  could
impair the Fund's  ability to hedge  effectively.  The  inability to close out a
call  position may have an adverse  effect on liquidity  because the Fund may be
required to hold the  securities  underlying the option until the option expires
or is exercised.

Futures  Transactions.  The Fund may purchase and sell  futures  contracts,  but
only when,  in the  judgment  of the  Advisor,  such a position  acts as a hedge
against market changes which would  adversely  affect the securities held by the
Fund.  These  futures  contracts  may  include,  but are not limited to,  market
index  futures  contracts  and  futures  contracts  based  on  U.S.   Government
obligations.
         A futures  contract  is an  agreement  between  two  parties to buy and
sell a  security  on a future  date  which has the  effect of  establishing  the
current  price for the  security.  Although  futures  contracts  by their  terms
require  actual  delivery  and  acceptance  of  securities,  in most  cases  the
contracts  are  closed  out before the  settlement  date  without  the making or
taking of delivery  of  securities.  Upon buying or selling a futures  contract,
the Fund  deposits  initial  margin with its  custodian,  and  thereafter  daily
payments  of  maintenance  margin  are made to and from  the  executing  broker.
Payments  of  maintenance  margin  reflect  changes in the value of the  futures
contract,  with the Fund being  obligated  to make such  payments if its futures
position  becomes less  valuable  and  entitled to receive such  payments if its
positions become more valuable.
         The Fund may only  invest in futures  contracts  to hedge its  existing
investment  positions and not for income  enhancement,  speculation  or leverage
purposes.  Although  some of the  securities  underlying a futures  contract may
not necessarily meet the Fund's social  criteria,  any such hedge position taken
by the Fund will not  constitute a direct  ownership  interest in the underlying
securities.
         Futures   contracts   are   designed  by  boards  of  trade  which  are
designated  "contracts  markets" by the  Commodity  Futures  Trading  Commission
("CFTC").  As series of a registered  investment  company,  the Fund is eligible
for exclusion from the CFTC's  definition of "commodity pool operator,"  meaning
that the  Fund may  invest  in  futures  contracts  under  specified  conditions
without  registering  with  the  CFTC.  Futures  contracts  trade  on  contracts
markets  in a  manner  that is  similar  to the way a  stock  trades  on a stock
exchange  and  the  boards  of  trade,  through  their  clearing   corporations,
guarantee performance of the contracts.

Options  on  Futures  Contracts.  The Fund may  purchase  and  write put or call
options  and sell call  options  on  futures  contracts  in which the Fund could
otherwise  invest  and which are  traded on a U.S.  exchange  or board of trade.
The Fund may also enter into closing  transactions  with respect to such options
to terminate an existing  position;  that is, to sell a put option already owned
and to buy a call option to close a position  where the Fund has already  sold a
corresponding call option.
         The Fund may only  invest in  options  on  futures  contracts  to hedge
their respective existing  investment  positions and not for income enhancement,
speculation or leverage  purposes.  Although some of the  securities  underlying
the futures  contract  underlying the option may not necessarily meet the Fund's
social  criteria,  any such hedge position taken by the Fund will not constitute
a direct ownership interest in the underlying securities.
         An option on a futures  contract  gives the  purchaser  the  right,  in
return for the premium paid, to assume a position in a futures  contract-a  long
position  if the  option  is a call  and a short  position  if the  option  is a
put-at a specified  exercise  price at any time during the period of the option.
The Fund will pay a premium for such options  purchased or sold.  In  connection
with such options  bought or sold,  the Fund will make initial  margin  deposits
and make or receive  maintenance  margin  payments which reflect  changes in the
market  value  of such  options.  This  arrangement  is  similar  to the  margin
arrangements applicable to futures contracts described above.

Put  Options  on  Futures  Contracts.  The  purchase  of put  options on futures
contracts is analogous to the sale of futures  contracts  and is used to protect
the Fund  against  the risk of  declining  prices.  The  Fund may  purchase  put
options and sell put  options on futures  contracts  that are  already  owned by
the Fund.  The Fund will only  engage in the  purchase  of put  options  and the
sale of covered put options on market index futures for hedging purposes.

Call  Options  on  Futures  Contracts.  The  sale of  call  options  on  futures
contracts is analogous to the sale of futures  contracts  and is used to protect
the Fund against the risk of declining  prices.  The purchase of call options on
futures contracts is analogous to the purchase of a futures  contract.  The Fund
may only buy call  options  to close an  existing  position  where  the Fund has
already sold a  corresponding  call option,  or for a cash hedge.  The Fund will
only  engage in the sale of call  options and the  purchase  of call  options to
cover for hedging purposes.

Writing  Call  Options  on Futures  Contracts.  The  writing of call  options on
futures  contracts  constitutes a partial hedge against  declining prices of the
securities  deliverable  upon exercise of the futures  contract.  If the futures
contract price at expiration is below the exercise  price,  the Fund will retain
the full amount of the option  premium  which  provides a partial  hedge against
any decline that may have occurred in the Fund's securities holdings.

Risks of Options and Futures  Contracts.  If the Fund has sold  futures or takes
options  positions to hedge  against  decline in the market and the market later
advances,  the Fund may suffer a loss on the futures  contracts or options which
it  would  not  have  experienced  if it had  not  hedged.  Correlation  is also
imperfect  between  movements in the prices of futures  contracts  and movements
in prices of the securities  which are the subject of the hedge.  Thus the price
of the  futures  contract or option may move more than or less than the price of
the  securities  being hedged.  Where the Fund has sold futures or taken options
positions  to hedge  against  decline in the market,  the market may advance and
the  value  of the  securities  held in the Fund may  decline.  If this  were to
occur,  the Fund might lose money on the futures  contracts  or options and also
experience a decline in the value of its securities.
         The Fund can close out futures  positions  only on an exchange or board
of trade which  provides a secondary  market in such futures.  Although the Fund
intend  to  purchase  or sell only such  futures  for which an active  secondary
market  appears  to exist,  there can be no  assurance  that such a market  will
exist for any particular  futures  contract at any particular  time.  This might
prevent the Fund from closing a futures  position,  which could require the Fund
to make  daily  cash  payments  with  respect  to its  position  in the event of
adverse price movements.
         Options on futures  transactions  bear  several  risks apart from those
inherent  in options  transactions  generally.  The Fund's  ability to close out
its options  positions in futures  contracts  will depend upon whether an active
secondary  market for such options  develops and is in existence at the time the
Fund seek to close its  positions.  There can be no assurance that such a market
will  develop or exist.  Therefore,  the Fund might be required to exercise  the
options to realize any profit.

LENDING FUND SECURITIES
         The  Fund  may  lend its  securities  to  member  firms of the New York
Stock  Exchange  and  commercial  banks with  assets of one  billion  dollars or
more,  provided  the value of the  securities  loaned will not exceed 33 1/3% of
assets.  Any such  loans  must be  secured  continuously  in the form of cash or
cash  equivalents  such as US Treasury bills.  The amount of the collateral must
on a current  basis equal or exceed the market  value of the loaned  securities,
and the Fund must be able to terminate  such loans upon notice at any time.  The
Fund  will  exercise  its  right  to  terminate  a  securities  loan in order to
preserve its right to vote upon matters of importance  affecting  holders of the
securities.
         The  advantage of such loans is that the Fund  continues to receive the
equivalent  of the  interest  earned or  dividends  paid by the  issuers  on the
loaned  securities  while  at the  same  time  earning  interest  on the cash or
equivalent  collateral  which may be  invested  in  accordance  with the  Fund's
investment objective, policies and restrictions.
         Securities  loans  are  usually  made  to   broker-dealers   and  other
financial  institutions  to facilitate  their  delivery of such  securities.  As
with any  extension  of  credit,  there  may be risks of delay in  recovery  and
possibly  loss of rights in the loaned  securities  should the  borrower  of the
loaned  securities fail  financially.  However,  the Fund will make loans of its
securities  only to those firms the  Advisor or  Subadvisor  deems  creditworthy
and only on terms the  Advisor  believes  should  compensate  for such risk.  On
termination  of the loan,  the borrower is obligated to return the securities to
the Fund.  The Fund will  recognize  any gain or loss in the market value of the
securities  during the loan period.  The Fund may pay reasonable  custodial fees
in connection with the loan.

                            INVESTMENT RESTRICTIONS

Fundamental Investment Restrictions
The foregoing investment objective and the following investment restrictions
may not be changed without the consent of the holders of a majority of
outstanding shares of the Portfolio. A majority of the shares means the lesser
of (i) 67% of the shares represented at a meeting at which more than 50% of
the outstanding shares are represented or (ii) more than 50% of the
outstanding shares.

The Fund may not:
         1.       Issue senior securities or borrow money, except
         from banks for temporary or emergency purposes and then only
         as permitted by law, in an amount up to 33 1/3% of the value
         of its total assets or as permitted by law and except by
         engaging in reverse repurchase agreements, where allowed. In
         order to secure any permitted borrowings and reverse
         repurchase agreements under this section, the Fund may
         pledge, mortgage or hypothecate its assets.
         2.       Underwrite the  securities of other  issuers,  except
         as  permitted  by the  Board of  Trustees,  within  applicable
         law,  and except to the  extent  that in  connection  with the
         disposition  of its  portfolio  securities,  the  Fund  may be
         deemed to be an underwriter.
         3.       Invest directly in commodities, commodities futures
         contracts, or real estate, although it may invest in
         securities which are secured by real estate or real estate
         mortgages and securities of issuers which invest or deal in
         commodities, commodity futures, real estate or real estate
         mortgages.
         4.       Make loans of more than one-third of the total
         assets of the Fund, or as permitted by law, other than
         through the purchase of money market instruments and
         repurchase agreements or by the purchase of bonds,
         debentures or other debt securities.
         5.       Concentrate 25% or more of the value of its assets
         in any one industry, or as permitted by law; provided,
         however, that there is no limitation with respect to
         investments in obligations issued or guaranteed by the
         United States Government or its agencies and
         instrumentalities, and repurchase agreements secured
         thereby, and there is no limitation with respect to
         investments in money market instruments of banks.

NONFUNDAMENTAL INVESTMENT RESTRICTIONS
         The Fund has adopted the following  operating  (i.e.,  non-fundamental)
investment  policy  and  restriction  which  may  be  changed  by the  Board  of
Trustees without shareholder approval. The Fund may not:

         1.       Invest,  in the aggregate,  more than 15% of its net assets in
         illiquid securities.
         2.       Make  short  sales  of  securities  or  purchase  any
         securities  on  margin  except as  provided  with  respect  to
         options, futures contracts and options on future contracts.
         3.       Enter  into a  futures  contract  or an  option  on a  futures
         contract if the  aggregate  initial  margins and  premiums  required to
         establish these positions would exceed 5% of the Fund's net assets.
         4.       Purchase  a put or call  option  on a  security  (including  a
         straddle  or  spread)  if  the  value  of  that  option  premium,  when
         aggregated  with the premiums on all other options on  securities  held
         by the Fund, would exceed 5% of the Fund's total assets.

         Any  investment  restriction  which  involves a maximum  percentage  of
securities  or assets shall not be  considered  to be violated  unless an excess
over the  applicable  percentage  occurs  immediately  after an  acquisition  of
securities or utilization of assets and results therefrom.

                      DIVIDENDS, DISTRIBUTIONS, AND TAXES

         The Fund intends to qualify as  regulated  investment  companies  under
Subchapter M of the  Internal  Revenue  Code.  If for any reason the Fund should
fail to qualify,  it would be taxed as a corporation  at the Fund level,  rather
than passing through its income and gains to shareholders.
         Distributions  of realized  net capital  gains,  if any,  are  normally
paid  once a  year;  however,  the  Fund  does  not  intend  to  make  any  such
distributions  unless available capital loss carryovers,  if any, have been used
or have  expired.  As of  ___________,  the Fund had tax-loss  carryforwards  of
$___________.
         Generally,   dividends   (including   short-term   capital  gains)  and
distributions  are  taxable  to the  shareholder  in the  year  they  are  paid.
However,  any dividends and  distributions  paid in January but declared  during
the prior three months are taxable in the year declared.
         The Fund is required to withhold 31% of any  reportable  dividends  and
long-term   capital  gain   distributions   paid  and  31%  reportable  of  each
redemption  transaction  occurring in the Balanced,  Equity and Bond  Portfolios
if:  (a)  the   shareholder's   social   security   number  or  other   taxpayer
identification  number ("TIN") is not provided or an obviously  incorrect TIN is
provided;  (b) the shareholder  does not certify under penalties of perjury that
the TIN provided is the  shareholder's  correct TIN and that the  shareholder is
not subject to backup  withholding  under section  3406(a)(1)(C) of the Internal
Revenue   Code   because  of   underreporting   (however,   failure  to  provide
certification  as to the application of section  3406(a)(1)(C)  will result only
in backup  withholding  on dividends,  not on  redemptions);  or (c) the Fund is
notified  by  the  Internal  Revenue  Service  that  the  TIN  provided  by  the
shareholder  is incorrect or that there has been  underreporting  of interest or
dividends by the shareholder.  Affected  shareholders will receive statements at
least annually specifying the amount withheld.
         In  addition,  the Fund is required to report to the  Internal  Revenue
Service the following  information  with respect to each redemption  transaction
occurring in the Fund:(a) the shareholder's  name,  address,  account number and
taxpayer  identification  number; (b) the total dollar value of the redemptions;
and (c) the Fund's identifying CUSIP number.
         Certain  shareholders are, however,  exempt from the backup withholding
and broker reporting  requirements.  Exempt shareholders include:  corporations;
financial institutions;  tax-exempt organizations;  individual retirement plans;
the U.S.,  a State,  the  District of  Columbia,  a U.S.  possession,  a foreign
government,  an  international  organization,   or  any  political  subdivision,
agency or instrumentality of any of the foregoing;  U.S. registered  commodities
or securities  dealers;  real estate investment  trusts;  registered  investment
companies;  bank common trust funds; certain charitable trusts;  foreign central
banks of issue.  Non-resident  aliens,  certain foreign partnerships and foreign
corporations  are  generally not subject to either  requirement  but may instead
be subject to withholding  under  sections 1441 or 1442 of the Internal  Revenue
Code.  Shareholders  claiming  exemption  from  backup  withholding  and  broker
reporting should call or write the Fund for further information.
         Many  states do not tax the  portion of the Fund's  dividends  which is
derived  from  interest  on  U.S.  Government  obligations.   State  law  varies
considerably   concerning  the  tax  status  of  dividends   derived  from  U.S.
Government  obligations.  Accordingly,  shareholders  should  consult  their tax
advisors  about the tax status of dividends and  distributions  from the Fund in
their respective jurisdictions.
         Dividends  paid by the Fund may be eligible for the dividends  received
deduction  available  to corporate  taxpayers.  Information  concerning  the tax
status of dividends and distributions and the amount of dividends  withheld,  if
any, is mailed annually to Fund shareholders.
         Investors  should  note  that  they  may be  required  to  exclude  the
initial sales  charge,  if any, paid on the purchase of Fund shares from the tax
basis of those  shares  if the  shares  are  exchanged  for  shares  of  another
Calvert  Group Fund within 90 days of purchase.  This  requirement  applies only
to the extent that the  payment of the  original  sales  charge on the shares of
the Fund  causes a  reduction  in the  sales  charge  otherwise  payable  on the
shares of the Calvert  Group Fund  acquired in the  exchange,  and investors may
treat sales charges  excluded from the basis of the original  shares as incurred
to acquire the new shares.

                                NET ASSET VALUE

         The public  offering  price of the shares of the Fund is the respective
net asset  value per share  (plus,  for  Class A shares,  the  applicable  sales
charge).  The net asset value  fluctuates  based on the respective  market value
of the  Fund's  investments.  The net asset  value  per share for each  class is
determined  every  business  day at the close of the regular  session of the New
York Stock Exchange  (normally  4:00 p.m.  Eastern time) and at such other times
as may be  necessary  or  appropriate.  The Fund  does not  determine  net asset
value on  certain  national  holidays  or other days on which the New York Stock
Exchange is closed:  New Year's Day,  Martin Luther King Day,  Presidents'  Day,
Good Friday,  Memorial Day,  Independence Day, Labor Day,  Thanksgiving Day, and
Christmas  Day. The Fund's net asset value per share is  determined  by dividing
total  net  assets  (the  value  of its  assets  net of  liabilities,  including
accrued expenses and fees) by the number of shares outstanding for that class.
         The  assets  of the Fund are  valued as  follows:  (a)  securities  for
which  market  quotations  are readily  available  are valued at the most recent
closing  price,  mean  between  bid and  asked  price,  or yield  equivalent  as
obtained  from one or more market  makers for such  securities;  (b)  securities
maturing  within  60 days may be valued  at cost,  plus or minus  any  amortized
discount or premium,  unless the Board of  Trustees  determines  such method not
to be  appropriate  under the  circumstances;  and (c) all other  securities and
assets for which  market  quotations  are not readily  available  will be fairly
valued  by the  Advisor  in good  faith  under the  supervision  of the Board of
Trustees.  Equity  options are valued at the last sale price;  if not available,
then the previous  day's sales price is used.  If the bid price is higher or the
asked  price is lower  than the  previous  last sales  price,  the higher bid or
lower  asked  prices may be used.  Exchange  traded  fixed  income  options  are
valued at the last sale price  unless  there is no sale  price,  in which  event
current  prices  provided  by market  makers  are used.  Over-the-counter  fixed
income options are valued based upon current  prices  provided by market makers.
Financial  futures are valued at the settlement  price  established  each day by
the board of trade or exchange on which they are traded.

Net Asset Value and Offering Price Per Share, As of 9/30/98

         Net asset value per share
         ($3,259,982/208,338 shares)                          $15.65
         Maximum sales charge, Class A
         (4.75% of offering price)                              0.78
         Offering price per share, Class A                    $16.43

         Class B net asset value and offering price per share
         ($__________/__________ shares)                      $00.00

         Class C net asset value and offering price per share
         ($318,234/20,368 shares)                             $15.62

                          CALCULATION OF TOTAL RETURN

         The Fund may  advertise  "total  return."  Total  return is  calculated
separately  for each  class.  . Total  return  differs  from yield in that yield
figures  measure  only the income  component  of the Fund's  investments,  while
total  return  includes  not only the  effect of income  dividends  but also any
change in net asset  value,  or  principal  amount,  during the  stated  period.
Total  return  is  computed  per  class by  taking  the  total  number of shares
purchased by a hypothetical  $1,000  investment  after  deducting any applicable
sales charge,  adding all  additional  shares  purchased  within the period with
reinvested  dividends and  distributions,  calculating the value of those shares
at the  end of the  period,  and  dividing  the  result  by the  initial  $1,000
investment.  For periods of more than one year, the  cumulative  total return is
then  adjusted for the number of years,  taking  compounding  into  account,  to
calculate average annual total return during that period.
         Total return is computed according to the following formula:

                                P(1 + T)n = ERV

where P = a  hypothetical  initial  payment of  $1,000;  T = total  return;  n =
number  of  years;  and ERV = the  ending  redeemable  value  of a  hypothetical
$1,000 payment made at the beginning of the period.
         Total  return is  historical  in nature and is not intended to indicate
future  performance.  All total return  quotations  reflect the deduction of the
maximum  sales  charge  ("return  with  maximum  load"),  except  quotations  of
"return  without  maximum  load," (or "without  CDSC") which do not deduct sales
charge.  Thus, in the formula above,  for return  without  maximum load, P = the
entire  $1,000  hypothetical   initial  investment  and  does  not  reflect  the
deduction  of  any  sales   charge;   for  return  with  maximum  load,  P  =  a
hypothetical  initial  investment  of  $1,000  less any  sales  charge  actually
imposed  at the  beginning  of the  period  for which the  performance  is being
calculated.
         Return  for  the  Funds'  shares  for  the  period  from  inception  to
September 30, 1998, are as follows:

Periods Ended      Class A                   Class B            Class C
September 30, 1998 Total Return              Total Return      Total Return
                   With/Without Maximum Load With/Without CDSC With/Without CDSC
 
New Vision
Since Inception    0%      0%                  0%     0%         0%      N/A

                       PURCHASE AND REDEMPTION OF SHARES

         Investments  in the Fund made by mail,  bank wire or  electronic  funds
transfer,  or through the Fund's branch office or brokers  participating  in the
distribution  of Fund  shares,  are credited to a  shareholder's  account at the
public  offering  price  which is the net  asset  value  next  determined  after
receipt by the Fund, plus the sales charge,  if applicable,  as set forth in the
Fund's  Prospectus.  Certain  Class B and  Class C shares  may be  subject  to a
contingent  deferred  sales  charge  which is  subtracted  from  the  redemption
proceeds (see  Prospectus,  "Calculation  of Contingent  Deferred  Sales Charges
and Waiver of Sales Charges").
         All  purchases  of  Fund  shares  will be  confirmed  and  credited  to
shareholder  accounts  in full and  fractional  shares  (rounded  to the nearest
1/1000th of a share).  Share  certificates  will not be issued unless  requested
in  writing  by the  investor.  No  charge  will be made for  share  certificate
requests.  No certificates  will be issued for fractional  shares. A service fee
of $10.00,  plus any costs  incurred by the Fund,  will be charged to  investors
whose purchase checks are returned for insufficient funds.
         To change  redemption  instructions  already given,  shareholders  must
send a notice  to  Calvert  Group,  with a voided  copy of a check  for the bank
wiring  instructions to be added, to c/o NFDS, P.O. Box 419544,  Kansas City, MO
64141-6544.  If a voided check does not accompany the request,  then the request
must be  signature  guaranteed  by a commercial  bank,  trust  company,  savings
association  or  member  firm  of  any  national  securities   exchange.   Other
documentation may be required from  corporations,  fiduciaries and institutional
investors.
         The  right  of  redemption  may be  suspended  or the  date of  payment
postponed  for any period  during  which the New York Stock  Exchange  is closed
(other than  customary  weekend and holiday  closings),  when trading on the New
York Stock  Exchange is  restricted,  or an emergency  exists,  as determined by
the  Commission,  or if the  Commission  has ordered a suspension of trading for
the protection of shareholders.
         Redemption  proceeds are normally paid in cash.  However,  the Fund has
the right to redeem  shares in assets  other  than cash for  redemption  amounts
exceeding,  in any 90-day  period,  $250,000 or 1% of the net asset value of the
Fund, whichever is less.

                                  ADVERTISING

         The Fund or its  affiliates  may provide  information  such as, but not
limited   to,  the   economy,   investment   climate,   investment   principles,
sociological   conditions  and  political   ambiance.   Discussion  may  include
hypothetical  scenarios  or  lists  of  relevant  factors  designed  to aid  the
investor in  determining  whether  the Fund is  compatible  with the  investor's
goals.  The Fund may list its holdings or give examples of  securities  that may
have been considered for inclusion in the Fund, whether held or not.
         The Fund or its  affiliates  may supply  comparative  performance  data
and rankings  from  independent  sources such as  Donoghue's  Money Fund Report,
Bank  Rate  Monitor,  Money,  Forbes,  Lipper  Analytical  Services,  Inc.,  CDA
Investment  Technologies,   Inc.,  Wiesenberger  Investment  Companies  Service,
Mutual Fund  Values  Morningstar  Ratings,  Mutual  Fund  Forecaster,  Barron's,
Nelson's  and The Wall  Street  Journal.  The Fund may also cite to any  source,
whether in print or on-line,  such as Bloomberg,  in order to acknowledge origin
of  information,   and  may  provide  biographical  information  on,  or  quote,
portfolio  managers  or Fund  officers.  The  Fund  may  compare  itself  or its
portfolio holdings to other  investments,  whether or not issued or regulated by
the  securities  industry,  including,  but  not  limited  to,  certificates  of
deposit and Treasury notes.
         Calvert Group is the nation's  leading  family of socially  responsible
mutual  funds,  both in terms of socially  responsible  mutual fund assets under
management,  and number of socially  responsible  mutual fund portfolios offered
(source:  Social  Investment Forum,  December 31, 1997).  Calvert Group was also
the first to offer a family of socially responsible mutual fund portfolios.

                    TRUSTEES, OFFICERS, AND ADVISORY COUNCIL
      The  Fund's  Board  of  Trustees  supervises  the  Fund's  activities  and
reviews its contracts with companies that provide it with services.

         RICHARD L. BAIRD, JR.,  Trustee.  Mr. Baird is Executive Vice President
for the Family Health Council,  Inc. in Pittsburgh,  Pennsylvania,  a non-profit
corporation which provides family planning services,  nutrition,  maternal/child
health  care,  and  various   health   screening   services.   Mr.  Baird  is  a
trustee/director  of each of the  investment  companies in the Calvert  Group of
Funds,  except for Calvert  Variable  Series,  Inc.,  Calvert New World Fund and
Calvert  World  Values  Fund.  DOB:  05/09/48.   Address:  211  Overlook  Drive,
Pittsburgh, Pennsylvania 15216.
         FRANK H. BLATZ, JR., Esq.,  Trustee.  Mr. Blatz is a partner in the law
firm of Snevily,  Ely,  Williams,  Gurrieri & Blatz.  He was  formerly a partner
with  Abrams,  Blatz,  Gran,  Hendricks  & Reina,  P.A. He is also a director of
Calvert Variable Series,  Inc. DOB:  10/29/35.  Address:  308 East Broad Street,
Westfield, New Jersey 07091.
         FREDERICK T. BORTS, M.D., Trustee. Dr. Borts is a radiologist with
Kaiser Permanente. Prior to that, he was a radiologist at Bethlehem Medical
Imaging in Allentown, Pennsylvania. DOB: 07/23/49. Address: 16 Iliahi Street,
Honolulu, Hawaii, 96817.
         *CHARLES E. DIEHL,  Trustee.  Mr. Diehl is Vice President and Treasurer
Emeritus of the George  Washington  University,  and has retired from University
Support  Services,  Inc. of Herndon,  Virginia.  He is also a Director of Acacia
Mutual  Life  Insurance  Company.  DOB:  10/13/22.  Address:  1658 Quail  Hollow
Court, McLean, Virginia 22101.
         DOUGLAS E. FELDMAN,  M.D.,  Trustee.  Dr.  Feldman  practices  head and
neck  reconstructive  surgery in the Washington,  D.C.,  metropolitan area. DOD:
05/23/48. Address: 7536 Pepperell Drive, Bethesda, Maryland 20817.
         PETER W. GAVIAN,  CFA,  Trustee.  Mr.  Gavian is President of Corporate
Finance of  Washington,  Inc.  Formerly,  he was a  principal  of Gavian De Vaux
Associates,  an investment banking firm. DOB: 12/08/32.  Address:  3005 Franklin
Road North, Arlington, Virginia 22201.
         JOHN G. GUFFEY,  JR.,  Trustee.  Mr.  Guffey is chairman of the Calvert
Social  Investment  Foundation,  organizing  director of the  Community  Capital
Bank  in   Brooklyn,   New  York,   and  a  financial   consultant   to  various
organizations.  In addition,  he is a director of the Community  Bankers  Mutual
Fund of Denver,  Colorado,  a director of Ariel  Funds,  and the  Treasurer  and
Director of Silby,  Guffey,  and Co.,  Inc., a venture  capital firm. Mr. Guffey
is a trustee/director  of each of the other investment  companies in the Calvert
Group of Funds,  except for Calvert Variable Series,  Inc. and Calvert New World
Fund. DOB: 05/15/48. Address: 7205 Pomander Lane, Chevy Chase, Maryland 20815.
         *BARBARA J. KRUMSIEK,  President and Trustee.  Ms.  Krumsiek  serves as
President,  Chief  Executive  Officer and Vice Chairman of Calvert  Group,  Ltd.
and as an officer and  director of each of its  affiliated  companies.  She is a
director of Calvert-Sloan  Advisers,  L.L.C., and a trustee/director  of each of
the  investment  companies  in the  Calvert  Group of  Funds.  Prior to  joining
Calvert  Group,  Ms.  Krumsiek  served  as Senior  Vice  President  of  Alliance
Capital LP's Mutual Fund Division. DOB: 08/09/52.
         M.  CHARITO  KRUVANT,  Trustee.  Ms.  Kruvant is  President  and CEO of
Creative  Associates  International,  Inc.,  a firm  that  specializes  in human
resources  development,  information  management,  public  affairs  and  private
enterprise  development.  She is also a director of Acacia Federal Savings Bank.
DOB: 12/08/45. Address: 5301 Wisconsin Avenue, N.W., Washington, D.C. 20015.
         ARTHUR J. PUGH,  Trustee.  Mr. Pugh is a Director  of Calvert  Variable
Series,  Inc.,  and serves as a director of Acacia  Federal  Savings Bank.  DOB:
09/24/37. Address: 4823 Prestwick Drive, Fairfax, Virginia 22030.
         *DAVID R. ROCHAT,  Senior Vice  President  and Trustee.  Mr.  Rochat is
Executive Vice President of Calvert Asset  Management  Company,  Inc.,  Director
and  Secretary of Grady,  Berwald and Co.,  Inc.,  and Director and President of
Chelsea  Securities,  Inc. DOB:  10/07/37.  Address:  Box 93,  Chelsea,  Vermont
05038.
         *D. WAYNE SILBY,  Esq.,  Trustee.  Mr. Silby is a  trustee/director  of
each of the  investment  companies  in the  Calvert  Group of Funds,  except for
Calvert  Variable  Series,  Inc.  and  Calvert  New  World  Fund.  Mr.  Silby is
Executive  Chairman of  GroupServe,  an internet  company  focused on  community
building  collaborative  tools,  and an officer,  director  and  shareholder  of
Silby,  Guffey &  Company,  Inc.,  which  serves as  general  partner of Calvert
Social Venture  Partners  ("CSVP").  CSVP is a venture capital firm investing in
socially  responsible  small  companies.  He is also a Director of Acacia Mutual
Life  Insurance  Company.  DOB:  07/20/48.  Address:  1715  18th  Street,  N.W.,
Washington, D.C. 20009.
         RENO J. MARTINI,  Senior Vice President.  Mr. Martini is a director and
Senior Vice  President of Calvert  Group,  Ltd.,  and Senior Vice  President and
Chief Investment Officer of Calvert Asset Management  Company,  Inc. Mr. Martini
is also a director  and  President  of  Calvert-Sloan  Advisers,  L.L.C.,  and a
director and officer of Calvert New World Fund. DOB: 1/13/50.
         RONALD M. WOLFSHEIMER,  CPA, Treasurer.  Mr. Wolfsheimer is Senior Vice
President  and  Chief  Financial   Officer  of  Calvert  Group,   Ltd.  and  its
subsidiaries  and an officer of each of the other  investment  companies  in the
Calvert  Group of Funds.  Mr.  Wolfsheimer  is Vice  President  and Treasurer of
Calvert-Sloan  Advisers,  L.L.C., and a director of Calvert  Distributors,  Inc.
DOB: 07/24/47.
         WILLIAM  M.  TARTIKOFF,   Esq.,  Vice  President  and  Secretary.   Mr.
Tartikoff  is an  officer of each of the  investment  companies  in the  Calvert
Group of Funds,  and is Senior Vice  President,  Secretary,  and General Counsel
of Calvert Group,  Ltd.,  and each of its  subsidiaries.  Mr.  Tartikoff is also
Vice President and Secretary of  Calvert-Sloan  Advisers,  L.L.C., a director of
Calvert  Distributors,   Inc.,  and  is  an  officer  of  Acacia  National  Life
Insurance Company. DOB: 08/12/47.
         DANIEL  K.  HAYES,  Vice  President.  Mr.  Hayes is Vice  President  of
Calvert Asset Management  Company,  Inc., and is an officer of each of the other
investment  companies  in the  Calvert  Group of Funds,  except for  Calvert New
World Fund, Inc. DOB: 09/09/50.
         SUSAN  WALKER  BENDER,  Esq.,   Assistant  Secretary.   Ms.  Bender  is
Associate  General Counsel of Calvert Group,  Ltd. and an officer of each of its
subsidiaries and Calvert-Sloan  Advisers,  L.L.C. She is also an officer of each
of the other investment companies in the Calvert Group of Funds. DOB: 01/29/59.
         KATHERINE STONER, Esq., Assistant Secretary. Ms. Stoner is Associate
General Counsel of Calvert Group and an officer of each of its subsidiaries
and Calvert-Sloan Advisers, L.L.C. She is also an officer of each of the other
investment companies in the Calvert Group of Funds. DOB: 10/21/56.
         LISA CROSSLEY, Esq., Assistant Secretary and Compliance Officer. Ms.
Newton is Associate General Counsel of Calvert Group and an officer of each of
its subsidiaries and Calvert-Sloan Advisers, L.L.C. She is also an officer of
each of the other investment companies in the Calvert Group of Funds. DOB:
12/31/61.
         IVY WAFFORD  DUKE,  Esq.,  Assistant  Secretary.  Ms. Duke is Assistant
Counsel  of  Calvert  Group  and an  officer  of  each of its  subsidiaries  and
Calvert-Sloan  Advisers,  L.L.C.  She is also an  officer  of each of the  other
investment  companies in the Calvert  Group of Funds and  Secretary and provides
counsel  to the  Calvert  Social  Investment  Foundation.  Prior to  working  at
Calvert Group,  Ms. Duke was an Associate in the Investment  Management Group of
the Business and Finance Department at Drinker Biddle & Reath. DOB: 9/7/68.

         The address of Trustees and Officers, unless otherwise noted, is 4550
Montgomery Avenue, Suite 1000N, Bethesda, Maryland 20814. Trustees and
Officers as a group own less than 1% of the Portfolio's outstanding shares.
Trustees marked with an *, above, are "interested persons" of the Fund, under
the Investment Company Act of 1940.
         Each of the  above  trustees  and  officers  is a  director/trustee  or
officer of each of the  investment  companies in the Calvert Group of Funds with
the exception of Calvert Social  Investment  Fund, of which only Messrs.  Baird,
Guffey  and  Silby and Ms.  Krumsiek  are among  the  trustees,  Acacia  Capital
Corporation,  of which only Messrs.  Blatz,  Diehl and Pugh and Ms. Krumsiek are
among the  directors,  Calvert  World Values Fund,  Inc.,  of which only Messrs.
Guffey and Silby and Ms.  Krumsiek  are among the  directors,  and  Calvert  New
World  Fund,  Inc.,  of which  only Ms.  Krumsiek  and Mr.  Martini is among the
directors.
         The Audit Committee of the Board is composed of Messrs.  Baird,  Blatz,
Feldman,  Guffey  and Pugh,  and Ms.  Kruvant.  The  Board's  Investment  Policy
Committee is composed of Messrs. Borts, Diehl, Gavian, Rochat and Silby.
         Messrs.  Baird,  Guffey  and  Silby  serve  on the High  Social  Impact
Investments  Committee  which assists the Fund in  identifying,  evaluating  and
selecting  investments  in  securities  that  offer a rate of  return  below the
then-prevailing  market  rate  and that  present  attractive  opportunities  for
furthering  the Fund's  social  criteria.  They also  serve,  together  with Ms.
Krumsiek, on the Calvert Social Investment foundation Board.
         Trustees of the Fund not affiliated with the Fund's Advisor may elect
to defer receipt of all or a percentage of their fees and invest them in any
fund in the Calvert Family of Funds through the Trustees Deferred Compensation
Plan. Deferral of the fees is designed to maintain the parties in the same
position as if the fees were paid on a current basis. Management believes this
will have a negligible effect on the Fund's assets, liabilities, net assets,
and net income per share.


                          Trustee Compensation Table

Fiscal Year  1998       Aggregate           Pension           Total
(unaudited numbers)     Compensation        or                Compensation
                        from                Retirement        from
                        Registrant          Benefits          Registrant
                        for Service         Accrued           and Fund
                        as Trustee          as Part of        Complex
                                            Registrant        paid to
                                            Expenses*         Trustee**
Name of Trustee

   
Richard L. Baird, Jr.   $_____             $0               $_____
Frank H. Blatz, Jr.     $_____             $_____           $_____
Frederick T. Borts      $_____             $0               $_____
Charles E. Diehl        $_____             $_____           $_____
Douglas E. Feldman      $_____             $0               $_____
Peter W. Gavian         $_____             $_____           $_____
John G. Guffey, Jr.     $_____             $0               $_____
M. Charito Kruvant      $_____             $0               $_____
Arthur J. Pugh          $_____             $_____           $_____ 
D. Wayne Silby          $_____             $0               $_____
                                                            
*Messrs. Blatz, Diehl, Gavian and Pugh have chosen to defer a portion of
their compensation. As of September 30, 1998, total deferred compensation,
including dividends and capital appreciation, was $________, $______,
$______, and $______, for each trustee, respectively.
**As of December 31, 1998, the Fund Complex consists of nine (9) registered
investment companies. 



                       INVESTMENT ADVISOR AND SUBADVISOR

                  The Fund's  Investment  Advisor is  Calvert  Asset  Management
Company,  Inc.,  4550  Montgomery  Avenue,  1000N,  Bethesda,  Maryland 20814, a
subsidiary  of Calvert  Group Ltd.,  which is a subsidiary of Acacia Mutual Life
Insurance Company of Washington,  D.C. ("Acacia Mutual").  Effective on or about
January 1, 1999,  Acacia  Mutual  will  merge  with and become a  subsidiary  of
Ameritas  Acacia  Mutual  Holding  Company.  Under the  Advisory  Contract,  the
Advisor  provides  investment  advice to the Fund and  oversees  its  day-to-day
operations,  subject to direction  and control by the Fund's Board of Directors.
The Advisor provides the Funds with investment  supervision and management,  and
office space;  furnishes  executive and other  personnel to the Funds;  and pays
the  salaries  and  fees  of all  Trustees/Directors  who are  employees  of the
Advisor  or  its  affiliates.   The  Fund  pays  all  other  administrative  and
operating expenses,  including:  custodial,  registrar,  dividend disbursing and
transfer   agency  fees;   administrative   service  fees;   federal  and  state
securities   registration  fees;  salaries,   fees  and  expenses  of  trustees,
executive  officers  and  employees  of the Fund,  who are not  employees of the
Advisor  or of its  affiliates;  insurance  premiums;  trade  association  dues;
legal and audit  fees;  interest,  taxes and other  business  fees;  expenses of
printing  and mailing  reports,  notices,  prospectuses,  and proxy  material to
shareholders;  annual shareholders' meeting expenses;  and brokerage commissions
and other costs associated with the purchase and sale of portfolio securities.
         The Advisor may  voluntarily  defer its fees or assume  expenses of the
Fund. For fiscal year 1998,  the Advisor  reimbursed the Fund $________ for fees
and  expenses.  The Advisor may  recapture  from  (charge to) the Fund  (through
December 31, 1999) for such  expenses  incurred,  provided  that such  recapture
would not cause the Fund's  aggregate  expenses  to exceed  the  annual  expense
limit.  The Advisor may  voluntarily  agree to further  defer its fees or assume
Fund  expenses  from  January 1, 1997  through  December  31, 1998  ("Additional
Deferral/Assumption  Period").  If so, the Advisor may  recapture  from  (charge
to)  the  Fund  for  any  such   expenses   incurred   during   the   Additional
Deferral/Assumption  Period,  provided that such  recapture  would not cause the
Fund's  aggregate  expenses to exceed the annual  expense  limit,  and that such
recapture  shall be made to the  Advisor  only  from the  two-year  period  from
January 1, 1999 through  December 31, 2000.  Each year's  current  advisory fees
(incurred  in that year) will be paid in full before any  recapture  for a prior
year is applied.  Recapture then will be applied  beginning with the most recent
year first.
         For its  services,  the Advisor  receives  an annual base fee,  payable
monthly,  of 0.70%  of the  Fund's  average  daily  net  assets.  There  were no
expenses reimbursed or fees voluntarily waived.

Subadvisor
         Awad Asset Mangement  Company & Associates  ("AWAD"),  is controlled by
raymond  James.  It receives a subadvisory  fee,  paid by the Advisor.  The base
rate is 0.40% of the Fund's average daily net assets.

         The Fund has  received  an  exemptive  order to permit the Fund and the
Advisor  to  enter  into  and  materially   amend  the  Investment   Subadvisory
Agreement  without  shareholder  approval.  Within 90 days of the  hiring of any
Subadvisor  or  the  implementation  of any  proposed  material  changed  in the
Investment  Subadvisory  Agreement,  the  Fund  will  furnish  its  shareholders
information  about the new Subadvisor or Investment  Subadvisory  Agreement that
would be  included  in a proxy  statement.  Such  information  will  include any
change in such  disclosure  caused by the  addition of a new  Subadvisor  or any
proposed  material change in the Investment  Subadvisory  Agreement of the Fund.
The Fund will meet this condition by providing  shareholders,  within 90 days of
the hiring of the  Subadvisor or  implementation  of any material  change to the
terms of an Investment Subadvisory  Agreement,  with an information statement to
this effect.
         The  advisory  fees  paid to the  Advisor  by the Fund  for the  fiscal
years ended September 30, 1996,  1997, and 1998 were  $__________,  $__________,
and $_________, respectively.
         Calvert  Administrative  Services Company ("CASC"), an affiliate of the
Advisor,  has  been  retained  by the  Fund to  provide  certain  administrative
services  necessary to the conduct of its affairs,  including the preparation of
regulatory filings and shareholder  reports.  For providing such services,  CASC
receives an annual  administrative  service fee payable monthly (as a percentage
of net assets) as follows:

                                       Class A, B, and C      Class I
         New Vision Small Cap               0.30%             0.15%

         For fiscal  years  1996,  1997,  and 1998,  New Vision  paid  $_______,
$_______,  and  $_______,  respectively,  to CASC in  administrative  fees.  For
those Funds with multiple classes,  investment  advisory fees are allocated as a
Portfolio-level expense based on net assets.

                             METHOD OF DISTRIBUTION

         Calvert Distributors, Inc. ("CDI") is the principal underwriter and
distributor for the Fund. Under the terms of its underwriting agreement with
the Funds, CDI markets and distributes the Fund's shares and is responsible
for preparing advertising and sales literature, and printing and mailing
prospectuses to prospective investors.
         Pursuant to Rule 12b-1 under the  Investment  Company Act of 1940,  the
Fund has adopted  Distribution  Plans (the  "Plans")  which  permits the Fund to
pay certain  expenses  associated  with the  distribution  of its  shares.  Such
expenses  may not  exceed,  on an  annual  basis,  0.25% of the  Fund's  Class A
average daily net assets.
         Expenses  under the  Fund's  Class B and Class C Plans may not  exceed,
on an annual  basis,  1.00% of the average daily net assets of Class B and Class
C,  respectively.  Class A Distribution Plans reimburse CDI only for expenses it
incurs,  while  the Class B and C  Distribution  Plans  compensate  CDI at a set
rate regardless of CDI's expenses.
         The  Fund's   Distribution   Plans  were   approved  by  the  Board  of
Directors,  including  the  Directors  who are not  "interested  persons" of the
Fund (as that term is defined  in the  Investment  Company  Act of 1940) and who
have no direct or indirect  financial  interest in the operation of the Plans or
in any  agreements  related to the Plans.  The selection  and  nomination of the
Directors  who are not  interested  persons  of the  Fund  is  committed  to the
discretion of such  disinterested  Directors.  In  establishing  the Plans,  the
Directors  considered  various factors  including the amount of the distribution
expenses.  The Directors  determined that there is a reasonable  likelihood that
the Plans will benefit the Fund and its shareholders.
         The  Plans  may  be   terminated   by  vote  of  a   majority   of  the
non-interested  Trustees  who have no direct or indirect  financial  interest in
the Plans,  or by vote of a majority of the  outstanding  shares of the affected
of the Fund.  If the Fund  should  ever  switch to a new  principal  underwriter
without  terminating  the Class B Plan,  the fee would be  prorated  between CDI
and  the  new  principal  underwriter.  Any  change  in  the  Plans  that  would
materially  increase the distribution  cost to a Portfolio  requires approval of
the shareholders of the affected class;  otherwise,  the Plans may be amended by
the Trustees,  including a majority of the non-interested  Trustees as described
above.  The  Plans  will  continue  in  effect  for  successive  one-year  terms
provided that such  continuance  is  specifically  approved by (i) the vote of a
majority  of the  Trustees  who are  not  parties  to the  Plans  or  interested
persons  of any  such  party  and  who  have no  direct  or  indirect  financial
interest in the Plans,  and (ii) the vote of a majority  of the entire  Board of
Trustees.
         Apart from the Plans, the Advisor and CDI, at their own expense, may
incur costs and pay expenses associated with the distribution of shares of the
Fund.
CDI,  makes a continuous  offering of the Fund's  securities on a "best efforts"
basis.  Under the terms of the agreement,  CDI is entitled to receive,  pursuant
to the  Distribution  Plans, a distribution  fee and a service fee from the Fund
based on the average daily net assets of each  Portfolio's  respective  Classes.
These fees are paid pursuant to the Fund's  Distribution  Plan. The Distribution
Plan Expenses  (includes both  distribution  fees and services fees) paid by the
Fund (all  classes) to CDI for the fiscal year ended  September  30,  1998,  was
$________.

         Of the  distribution  expenses  paid by  Class A Shares  of New  Vision
Small Cap in fiscal year 1998,  $________,  was used to  compensate  dealers for
their share distribution  promotional services.  $________, for the printing and
mailing of  prospectuses  and sales  materials to investors  (other than current
shareholders), and the remainder partially financed advertising.
         Of the  distribution,  expenses  paid by Class B Shares of the  Capital
Accumulation Fund in fiscal year 1998, $________ was used for _____________.
         Of the  distribution,  expenses  paid by Class C Shares of the  Capital
Accumulation Fund in fiscal year 1998, $________ was used for _____________.

TCF New Vision Small Cap Fund
Class A shares are offered at net asset value plus a front-end sales charge as
follows:

                                    As a % of    As a % of    Allowed to
Amount of                           offering     net amount   Brokers as a % of
Investment                          price        invested     offering price
Less than $50,000                   4.75%        4.99%        4.00%
$50,000 but less than $100,000      3.75%        3.90%        3.00%
$100,000 but less than $250,000     2.75%        2.83%        2.25%
$250,000 but less than $500,000     1.75%        1.78%        1.25%
$500,000 but less than $1,000,000   1.00%        1.01%        0.80%
$1,000,000 and over                 0.00%        0.00%        0.00%

         CDI  receives  any  front-end  sales  charge or CDSC paid. A portion of
the front-end  sales charge may be reallowed to dealers.  The  aggregate  amount
of sales charges  (gross  underwriting  commissions)  and for Class A only,  the
amount  retained by CDI (i.e.,  not  reallowed to dealers) for the last 3 fiscal
years are:

                                    Class A
                                    Gross/Net        Class B           Class C
         Fiscal Year             96   97  98       96  97   98       96  97  98

         New Vision Small Cap    X/X  X/X X/X      NA  NA   X        X   X   X

         Fund  Trustees  and certain  other  affiliated  persons of the Fund are
exempt  from the sales  charge  since the  distribution  costs  are  minimal  to
persons already  familiar with the Fund.  Other groups (e.g.,  group  retirement
plans) are exempt due to  economies of scale in  distribution.  See Exhibit A to
the Prospectus.


                    TRANSFER AND SHAREHOLDER SERVICING AGENT

         National  Financial  Data  Services,  Inc.  ("NFDS"),  a subsidiary  of
State  Street  Bank & Trust,  has been  retained  by the Fund to act as transfer
agent  and  dividend   disbursing   agent.   These   responsibilities   include:
responding  to certain  shareholder  inquiries and  instructions,  crediting and
debiting  shareholder  accounts for purchases and redemptions of Fund shares and
confirming  such  transactions,  and daily updating of  shareholder  accounts to
reflect declaration and payment of dividends.
         Calvert Shareholder  Services,  Inc. ("CSSI"),  a subsidiary of Calvert
Group,  Ltd.,  and  Acacia  Mutual,  has  been  retained  by the  Fund to act as
shareholder  servicing agent.  Shareholder  servicing  responsibilities  include
responding  to  shareholder   inquiries  and   instructions   concerning   their
accounts,  entering  any  telephoned  purchases  or  redemptions  into  the NFDS
system,  maintenance  of  broker-dealer  data,  and preparing  and  distributing
statements  to  shareholders  regarding  their  accounts.   Calvert  Shareholder
Services, Inc. was the sole transfer agent prior to January 1, 1998.
         For  these  services,  NFDS  and  Calvert  Shareholder  Services,  Inc.
Receive a fee based on the number of shareholder accounts and transactions.

                               FUND TRANSACTIONS

         Fund  transactions  are  undertaken on the basis of their  desirability
from  an  investment  standpoint.   The  Fund's  Advisor  and  Subadvisors  make
investment  decisions  and the choice of brokers and dealers under the direction
and supervision of the Fund's Board of Trustees.
         Broker-dealers  who  execute  Fund  transactions  on behalf of the Fund
are selected on the basis of their  execution  capability and trading  expertise
considering,  among other factors,  the overall  reasonableness of the brokerage
commissions,   current  market  conditions,   size  and  timing  of  the  order,
difficulty of execution, per share price, etc.
         For the last three fiscal years,  total brokerage  commissions paid are
as follows:

                                    1996             1997              1998
         New Vision Small Cap

         For the last three fiscal years,  the Fund paid  brokerage  commissions
         to Raymond  James,  an  affiliated  person of the Fun's  Subadvisor  as
         follows:

                                    1996             1997              1998
         New Vision Small Cap       NA               NA                $____


         While the Fund's  subadvisors  select brokers primarily on the basis of
best  execution,  in some cases the  Advisor  may ask the  Subadvisor  to direct
transactions  to brokers  based on the  quality and amount of the  research  and
research-related   services  which  the  brokers  provide  the  Advisor.   These
services are of the type described in Section 28(e) of the  Securities  Exchange
Act of 1934,  and are  designed  primarily  to assist the Advisor in  monitoring
the investment  activities of the subadvisor of the Fund. Such services  include
portfolio    attribution    systems,    return-based    style   analysis,    and
trade-execution  analysis.  It is the policy of the Advisor  that such  research
services  will be used for the  benefit of Fund as well as other  Calvert  Group
funds and managed accounts.
         For the fiscal year ended March 31, 1998,  the Fund directed  brokerage
for research services in the following amounts:

   Fund                     Amount of Transactions         Commissions

    New Vision Small Cap    $                              $
 

         For the fiscal  year ended  September  30,  1998,  aggregate  brokerage
commission  paid  to  Raymond  James  represented  ____%  of  the  Fund's  total
commission and ___% of the Fund's dollar amount of commission transactions.



                     INDEPENDENT ACCOUNTANT AND CUSTODIANS

      PricewaterhouseCoopers,   L.L.P.,  has  been  selected  by  the  Board  of
Directors  to serve as  independent  accountants  for fiscal  year  1999.  State
Street Bank & Trust  Company,  N.A.,  225  Franklin  Street,  Boston,  MA 02110,
serves  as  custodian  of  the  Fund's  investments.   First  National  Bank  of
Maryland,  25 South Charles  Street,  Baltimore,  Maryland  21203 also serves as
custodian of certain of the Fund's cash assets.  The custodians  have no part in
deciding the Fund's  investment  policies or the choice of  securities  that are
to be purchased or sold for the Fund.

                              GENERAL INFORMATION

         The New  Vision  Small  Cap Fund is a series of The  Calvert  Fund (the
"Trust"),   an  open-end   management   investment   company   organized   as  a
Massachusetts  business  trust on March 15,  1982.  The  Fund's  Declaration  of
Trust  contains  an express  disclaimer  of  shareholder  liability  for acts or
obligations  of the Fund. The  shareholders  of a  Massachusetts  business trust
might,  however,  under  certain  circumstances,  be held  personally  liable as
partners  for  its   obligations.   The   Declaration   of  Trust  provides  for
indemnification  and  reimbursement  of  expenses  out of  Fund  assets  for any
shareholder   held   personally   liable  for   obligations  of  the  Fund.  The
Declaration  of Trust also  provides that the Fund shall,  upon request,  assume
the  defense  of  any  claim  made  against  any  shareholder  for  any  act  or
obligation  of the Fund and satisfy any judgment  thereon.  The  Declaration  of
Trust further  provides that the Fund may maintain  appropriate  insurance  (for
example,   fidelity  bonding  and  errors  and  omissions   insurance)  for  the
protection of the Fund,  its  shareholders,  trustees,  officers,  employees and
agents  to  cover  possible  tort and  other  liabilities.  Thus,  the risk of a
shareholder  incurring  financial  loss on account of  shareholder  liability is
limited to  circumstances  in which  both  inadequate  insurance  exists and the
Fund itself is unable to meet its obligations.
         Each share represents an equal  proportionate  interest with each other
share and is  entitled to such  dividends  and  distributions  out of the income
belonging  to such  class  as  declared  by the  Board.  The  Fund  offers  four
separate  classes of shares:  Class A, Class B, Class C, and Class I. Each class
represents  interests  in the same  portfolio  of  investments  but,  as further
described in the  prospectus,  each class is subject to differing  sales charges
and expenses,  which  differences  will result in differing net asset values and
distributions.  Upon any  liquidation  of the Fund,  shareholders  of each class
are  entitled  to share  pro rata in the net  assets  belonging  to that  series
available for distribution.
         The Fund is not  required  to hold  annual  shareholder  meetings,  but
special   meetings  may  be  called  for  certain   purposes  such  as  electing
Directors/Trustees,  changing  fundamental  policies,  or approving a management
contract.  As a  shareholder,  you receive one vote for each share of a Fund you
own. Matters affecting  classes  differently,  such as Distribution  Plans, will
be voted on separately by class.

              CONTROL PERSONS AND PRINCIPAL HOLDERS OF SECURITIES

         The  following  persons  own more  than 25% of the  outstanding  voting
securities (all classes  combined) of, or are otherwise  deemed to control,  the
Fund shown as of __________ (a date not more than 30 days prior to filing):

         Name                                    Address               % held


       The  following  persons  own  5% or  more  of  the  outstanding  voting
securities of any Class of the Fund:

         Name                                    Address               % held


                                    APPENDIX

CORPORATE BOND AND COMMERCIAL PAPER RATINGS
Corporate Bonds:
Description of Moody's Investors Service Inc.'s/Standard & Poor's bond ratings:
         Aaa/AAA:  Best  quality.  These  bonds  carry  the  smallest  degree of
investment  risk  and  are  generally  referred  to  as  "gilt  edge."  Interest
payments  are  protected  by a large or by an  exceptionally  stable  margin and
principal is secure.  This rating  indicates an extremely strong capacity to pay
principal and interest.
         Aa/AA:  Bonds rated AA also qualify as high-quality  debt  obligations.
Capacity to pay  principal  and interest is very strong,  and in the majority of
instances  they  differ  from AAA issues  only in small  degree.  They are rated
lower than the best bonds because  margins of protection  may not be as large as
in  Aaa  securities,  fluctuation  of  protective  elements  may  be of  greater
amplitude,  or there may be other elements  present which make  long-term  risks
appear somewhat larger than in Aaa securities.
         A/A:  Upper-medium  grade  obligations.   Factors  giving  security  to
principal  and interest  are  considered  adequate,  but elements may be present
which  make the  bond  somewhat  more  susceptible  to the  adverse  effects  of
circumstances and economic conditions.
         Baa/BBB:  Medium grade obligations;  adequate capacity to pay principal
and interest.  Whereas they normally  exhibit  adequate  protection  parameters,
adverse economic  conditions or changing  circumstances  are more likely to lead
to a  weakened  capacity  to pay  principal  and  interest  for  bonds  in  this
category than for bonds in higher rated categories.
         Ba/BB,  B/B,  Caa/CCC,   Ca/CC:  Debt  rated  in  these  categories  is
regarded as  predominantly  speculative with respect to capacity to pay interest
and  repay  principal.  The  higher  the  degree of  speculation,  the lower the
rating.   While  such  debt  will  likely  have  some  quality  and   protective
characteristics,  these are  outweighed  by large  uncertainties  or major  risk
exposure to adverse conditions.
         C/C:  This  rating is only for  income  bonds on which no  interest  is
being paid.
         D:  Debt  in  default;  payment  of  interest  and/or  principal  is in
arrears.

Commercial Paper:
         MOODY'S INVESTORS SERVICE, INC.:
         The Prime rating is the highest  commercial  paper  rating  assigned by
Moody's.  Among the factors  considered by Moody's in assigning  ratings are the
following:  (1)  evaluation  of the  management  of  the  issuer;  (2)  economic
evaluation  of  the  issuer's   industry  or  industries  and  an  appraisal  of
speculative-type  risks which may be inherent in certain  areas;  (3) evaluation
of the issuer's  products in relation to  competition  and customer  acceptance;
(4) liquidity;  (5) amount and quality of long-term  debt; (6) trend of earnings
over a period of ten years;  (7) financial  strength of a parent company and the
relationships  which exist with the issuer;  and (8)  recognition  by management
of  obligations  which  may be  present  or may  arise  as a  result  of  public
interest  questions and  preparations to meet such  obligations.  Issuers within
this Prime  category may be given ratings 1, 2, or 3,  depending on the relative
strengths of these factors.

         STANDARD & POOR'S CORPORATION:
         Commercial  paper  rated A by  Standard  &  Poor's  has  the  following
characteristics:  (i) liquidity  ratios are adequate to meet cash  requirements;
(ii)  long-term  senior  debt  rating  should be A or better,  although  in some
cases BBB credits may be allowed if other  factors  outweigh the BBB;  (iii) the
issuer  should have  access to at least two  additional  channels of  borrowing;
(iv) basic  earnings and cash flow should have an upward  trend with  allowances
made for unusual  circumstances;  and (v) typically the issuer's industry should
be well  established  and the issuer  should have a strong  position  within its
industry and the reliability and quality of management  should be  unquestioned.
Issuers  rated A are further  referred to by use of numbers 1, 2 and 3 to denote
the relative strength within this highest classification.

                                LETTER OF INTENT

                                                                                
Date

Calvert Distributors, Inc.
4550 Montgomery Avenue
Bethesda, MD 20814

Ladies and Gentlemen:

         By signing this Letter of Intent,  or affirmatively  marking the Letter
of Intent  option on my Fund  Account  Application  Form, I agree to be bound by
the terms and  conditions  applicable  to  Letters  of Intent  appearing  in the
Prospectus  and the  Statement of  Additional  Information  for the Fund and the
provisions  described  below as they  may be  amended  from  time to time by the
Fund. Such amendments will apply automatically to existing Letters of Intent.

     I intend to invest in the  shares  of__________________(Fund  or  Portfolio
name) during the thirteen  (13) month period from the date of my first  purchase
pursuant to this Letter (which cannot be more than ninety (90) days prior to the
date  of  this  Letter  or  my  Fund  Account  Application  Form,  whichever  is
applicable),  an aggregate amount (excluding any reinvestments of distributions)
of at least fifty thousand  dollars  ($50,000)  which,  together with my current
holdings of the Fund (at public offering price on date of this Letter or my Fund
Account  Application  Form,  whichever is applicable),  will equal or exceed the
amount checked below:

         __ $50,000 __ $100,000 __ $250,000 __ $500,000 __ $1,000,000

         Subject  to the  conditions  specified  below,  including  the terms of
escrow,  to which I hereby  agree,  each  purchase  occurring  after the date of
this Letter will be made at the public  offering  price  applicable  to a single
transaction  of the dollar amount  specified  above,  as described in the Fund's
prospectus.  "Fund"  in  this  Letter  of  Intent  shall  refer  to the  Fund or
Portfolio,  as the case may be.  No  portion  of the  sales  charge  imposed  on
purchases made prior to the date of this Letter will be refunded.

         I am making no  commitment  to  purchase  shares,  but if my  purchases
within  thirteen  months from the date of my first purchase do not aggregate the
minimum  amount  specified  above,  I will  pay the  increased  amount  of sales
charges  prescribed in the terms of escrow  described  below. I understand  that
4.75% of the minimum  dollar  amount  specified  above will be held in escrow in
the form of shares  (computed to the nearest  full share).  These shares will be
held subject to the terms of escrow described below.

         From the initial  purchase  (or  subsequent  purchases  if  necessary),
4.75% of the dollar  amount  specified in this Letter shall be held in escrow in
shares of the Fund by the Fund's  transfer  agent.  For example,  if the minimum
amount  specified  under  the  Letter is  $50,000,  the  escrow  shall be shares
valued in the amount of $2,375  (computed at the public  offering price adjusted
for a $50,000  purchase).  All dividends and any capital gains  distribution  on
the escrowed shares will be credited to my account.

         If  the  total  minimum  investment   specified  under  the  Letter  is
completed  within a thirteen  month  period,  escrowed  shares  will be promptly
released  to  me.  However,  shares  disposed  of  prior  to  completion  of the
purchase  requirement  under  the  Letter  will  be  deducted  from  the  amount
required to complete the investment commitment.

         Upon  expiration of this Letter,  the total  purchases  pursuant to the
Letter  are  less  than the  amount  specified  in the  Letter  as the  intended
aggregate  purchases,  Calvert  Distributors,  Inc.  ("CDI") will bill me for an
amount  equal to the  difference  between  the lower  load I paid and the dollar
amount of sales  charges  which I would have paid if the total amount  purchased
had been  made at a single  time.  If not paid by the  investor  within 20 days,
CDI will debit the difference from my account.  Full shares,  if any,  remaining
in  escrow  after the  aforementioned  adjustment  will be  released  and,  upon
request, remitted to me.

         I irrevocably  constitute and appoint CDI as my attorney-in-fact,  with
full power of  substitution,  to surrender  for  redemption  any or all escrowed
shares on the books of the Fund.  This  power of  attorney  is  coupled  with an
interest.

         The   commission   allowed  by  Calvert   Distributors,   Inc.  to  the
broker-dealer  named  herein  shall be at the  rate  applicable  to the  minimum
amount of my specified intended purchases.

         The  Letter  may  be  revised  upward  by me at  any  time  during  the
thirteen-month  period,  and such a revision  will be  treated as a new  Letter,
except that the  thirteen-month  period  during which the purchase  must be made
will remain  unchanged and there will be no  retroactive  reduction of the sales
charges paid on prior purchases.

         In  determining  the total amount of purchases made  hereunder,  shares
disposed  of  prior  to  termination  of  this  Letter  will  be  deducted.   My
broker-dealer  shall  refer to this  Letter  of  Intent in  placing  any  future
purchase orders for me while this Letter is in effect.


                                                                    
Dealer                            Name of Investor(s)


By                                                                 
     Authorized Signer            Address


                                                                    
Date                               Signature of
Investor(s)


                                                                      
Date                                Signature of
Investor(s)



INVESTMENT ADVISOR
Calvert Asset Management Company, Inc.
4550 Montgomery Avenue
Suite 1000N
Bethesda, Maryland 20814

SHAREHOLDER SERVICE                    TRANSFER AGENT
Calvert Shareholder Services, Inc.     National Financial Data Services, Inc.
4550 Montgomery Avenue                 1004 Baltimore
Suite 1000N                            6th Floor
Bethesda, Maryland 20814               Kansas City, Missouri 64105

PRINCIPAL UNDERWRITER                  INDEPENDENT ACCOUNTANTS
Calvert Distributors, Inc.             PricewaterhouseCoopers, L.L.P.
4550 Montgomery Avenue                 250 West Pratt Street
Suite 1000N                            Baltimore, Maryland 21201
Bethesda, Maryland 20814


<PAGE>




                                The Calvert Fund
                              Calvert Income Fund

                      Statement of Additional Information
                                January 31, 1999

                                
                4550 Montgomery Avenue, Bethesda, Maryland 20814

New Account   (800) 368-2748           Shareholder
Information:  (301) 951-4820           Services:   (800) 368-2745
Broker        (800) 368-2746           TDD for the Hearing-
Services:     (301) 951-4850           Impaired:   (800) 541-1524

         This Statement of Additional  Information  ("SAI") is not a prospectus.
Investors  should read the Statement of Additional  Information  in  conjunction
with  the  Fund's  Prospectus,  dated  January  31,  1999.  The  Fund's  audited
financial   statements   included   in  its  most   recent   Annual   Report  to
Shareholders,  are expressly incorporated by reference,  and made a part of this
SAI.  The  prospectus  and the most  recent  shareholder  report may be obtained
free of charge by writing the Fund at the above address or calling the Fund.


                           TABLE OF CONTENTS

Investment Policies and Risks                        1
Investment Res8rictions
Dividends, Distributions and Taxes                   9
Net Asset Value                                      10
Calculation of Yield and Total Return                10
Purchase and Redemption of Shares                    12
Advertising                                          12
Trustees and Officers                                13
Investment Advisor                                   15
Method of Distribution                               16
Transfer and Shareholder Servicing Agents            17
Portfolio Transactions                               17
Independent Accountants and Custodians               18
Control Persons and Principal Holders of Securities  18
General Information                                  18
Appendix                                             19



                         INVESTMENT POLICIES AND RISKS

COLLATERALIZED MORTGAGE OBLIGATIONS
         The Fund  may,  in  pursuit  of its  investment  objectives,  invest in
collateralized   mortgage  obligations.   Collateralized   mortgage  obligations
("CMOs") are  fully-collateralized  bonds which are general  obligations  of the
issuer of the bonds.  CMOs are not direct  obligations  of the U.S.  Government.
CMOs  generally are secured by  collateral  consisting of mortgages or a pool of
mortgages.  The  collateral  is assigned to the trustee  named in the  indenture
pursuant to which the bonds are issued.  Payments of  principal  and interest on
the underlying  mortgages are not passed  through  directly to the holder of the
CMO;  rather,  payments to the trustee are  dedicated  to payment of interest on
and  repayment  of  principal  of the CMOs.  This  means that the  character  of
payments of principal  and interest is not passed  through,  so that payments to
holders  of CMOs  attributable  to  interest  paid and  principal  repaid on the
underlying  mortgages or pool of mortgages do not necessarily  constitute income
and  return  of  capital,  respectively,  to  the  CMO  holders.  Also,  because
payments of principal and interest are not passed  through,  CMOs secured by the
same pool or  mortgages  may be, and  frequently  are,  issued with a variety of
classes  or  series,   which  have   different   maturities   and  are   retired
sequentially.  CMOs are designed to be retired as the  underlying  mortgages are
repaid.  In the event of  prepayment on such  mortgages,  the class of CMO first
to  mature  generally  will  be paid  down.  Thus  there  should  be  sufficient
collateral  to secure the CMOs that remain  outstanding  even if the issuer does
not supply additional collateral.
         FHLMC has  introduced  a CMO which is a  general  obligation  of FHLMC.
This  requires  FHLMC to use its  general  funds to make  payments on the CMO if
payments from the underlying mortgages are insufficient.

U.S. GOVERNMENT-BACKED OBLIGATIONS
         The Fund  may,  in  pursuit  of its  investment  objective,  invest  in
Ginnie Maes,  Fannie Maes,  Freddie Macs, U.S. Treasury  obligations,  and other
U.S. Government-backed obligations.
         Ginnie Maes.  Ginnie Maes,  issued by the Government  National Mortgage
Association,  are typically  interests in pools of mortgage loans insured by the
Federal Housing Administration or guaranteed by the Veterans  Administration.  A
"pool" or group of such  mortgages is assembled  and,  after approval from GNMA,
is offered to  investors  through  various  securities  dealers.  GNMA is a U.S.
Government  corporation  within the Department of Housing and Urban Development.
Ginnie  Maes are  backed by the full  faith and  credit  of the  United  States,
which means that the U.S.  Government  guarantees  that  interest and  principal
will be paid when due.
         Fannie Maes and Freddie  Macs.  Fannie Maes and Freddie Macs are issued
by the Federal  National  Mortgage  Association  ("FNMA")  and Federal Home Loan
Mortgage Corporation ("FHLMC"),  respectively.  Unlike GNMA certificates,  which
are  typically  interests  in  pools  of  mortgages  insured  or  guaranteed  by
government agencies,  FNMA and FHLMC certificates  represent undivided interests
in pools of conventional  mortgage loans.  Both FNMA and FHLMC guarantee  timely
payment of principal and interest on their  obligations,  but this  guarantee is
not  backed  by the  full  faith  and  credit  of the  U.S.  Government.  FNMA's
guarantee is supported  by its ability to borrow from the U.S.  Treasury,  while
FHLMC's  guarantee  is backed by reserves set aside to protect  holders  against
losses due to default.
         U.S.  Treasury  Obligations.  Direct  obligations  of the United States
Treasury  are backed by the full faith and  credit of the  United  States.  They
differ only with  respect to their rates of interest,  maturities,  and times of
issuance.  U.S.  Treasury  obligations  consist of: U.S.  Treasury bills (having
maturities of one year or less), U.S.  Treasury notes (having  maturities of one
to ten years ) and U.S.  Treasury bonds  (generally  having  maturities  greater
than ten years).
         Other  U.S.  Government  Obligations.  The  Fund  may  invest  in other
obligations issued or guaranteed by the U.S.  Government,  its agencies,  or its
instrumentalities.   (Certain   obligations  issued  or  guaranteed  by  a  U.S.
Government  agency or  instrumentality  may not be backed by the full  faith and
credit of the United States.)

TEMPORARY DEFENSIVE POSITIONS
         For temporary defensive purposes - which may include a lack of
adequate purchase candidates or an unfavorable market environment - the Fund
may invest in cash or cash equivalents. Cash equivalents include instruments
such as, but not limited to, U.S. government and agency obligations,
certificates of deposit, banker's acceptances, time deposits commercial paper,
short-term corporate debt securities, and repurchase agreements.

REPURCHASE AGREEMENTS
         The  Fund  may,  in  pursuit  of its  investment  objectives,  purchase
securities  subject  to  repurchase   agreements.   Repurchase   agreements  are
transactions in which a person purchases a security and  simultaneously  commits
to resell  that  security  to the  seller  at a  mutually  agreed  upon time and
price.  The  seller's  obligation  is secured by the  underlying  security.  The
repurchase  price  reflects  the  initial  purchase  price  plus an agreed  upon
market rate of  interest.  While an  underlying  security may bear a maturity in
excess of one year,  the term of the  repurchase  agreement  is always less than
one  year.   Repurchase   agreements  not  terminable   within  seven  days  are
considered   illiquid.   Repurchase   agreements  are  short-term  money  market
investments, designed to generate current income.
         The Fund will only  engage in  repurchase  agreements  with  recognized
securities  dealers and banks  determined to present  minimal credit risk by the
Advisor.
         The  Fund  will  only  engage  in  repurchase   agreements   reasonably
designed  to  secure  fully  during  the  term  of the  agreement  the  seller's
obligation to  repurchase  the  underlying  security and will monitor the market
value  of the  underlying  security  during  the term of the  agreement.  If the
value of the  underlying  security  declines  and is not at  least  equal to the
repurchase  price  due to the Fund  pursuant  to the  agreement,  the Fund  will
require  the  seller  to pledge  additional  securities  or cash to  secure  the
seller's  obligations  pursuant to the agreement.  If the seller defaults on its
obligation  to repurchase  and the value of the  underlying  security  declines,
the Fund may incur a loss and may  incur  expenses  in  selling  the  underlying
security.

NON-INVESTMENT GRADE DEBT SECURITIES
         The Fund may invest in lower quality debt securities  (generally  those
rated  BB or lower by S&P or Ba or lower  by  Moody's),  subject  to the  Fund's
investment  policy,  which  provides  that the Fund may not invest more than 35%
of its assets in  securities  rated below BBB or Baa by either  rating  service,
or  in  unrated  securities  determined  by  the  Advisor  to be  comparable  to
securities  rated below BBB or Baa by either rating  service.  These  securities
have moderate to poor  protection  of principal  and interest  payments and have
speculative  characteristics.  These securities  involve greater risk of default
or  price  declines  due  to  changes  in  the  issuer's  creditworthiness  than
investment-grade   debt   securities.   Because   the  market  for   lower-rated
securities  may be thinner  and less active  than for  higher-rated  securities,
there  may  be  market  price   volatility  for  these  securities  and  limited
liquidity in the resale market.  Market prices for these  securities may decline
significantly  in periods  of general  economic  difficulty  or rising  interest
rates.  Unrated  debt  securities  may fall  into the  lower  quality  category.
Unrated  securities  usually  are not  attractive  to as many  buyers  as  rated
securities are, which may make them less marketable.
         The quality  limitation  set forth in the Fund's  investment  policy is
determined immediately after the Fund's acquisition of a given security.
         When  purchasing  high-yielding  securities,   rated  or  unrated,  the
Advisor  prepare its own careful  credit  analysis to attempt to identify  those
issuers whose financial  condition is adequate to meet future  obligations or is
expected to be adequate in the future.  Through  portfolio  diversification  and
credit  analysis,  investment  risk can be  reduced,  although  there  can be no
assurance that losses will not occur.

DERIVATIVES
         The Fund can use various techniques to increase or decrease its
exposure to changing security prices, interest rates, or other factors that
affect security values. These techniques may involve derivative transactions
such as buying and selling options and futures contracts and leveraged notes,
entering into swap agreements, and purchasing indexed securities. The Fund can
use these practices either as substitution or as protection against an adverse
move in the Fund to adjust the risk and return characteristics of the Fund. If
the Advisor judges market conditions incorrectly or employs a strategy that
does not correlate well with a Fund's investments, or if the counterparty to
the transaction does not perform as promised, these techniques could result in
a loss. These techniques may increase the volatility of a Fund and may involve
a small investment of cash relative to the magnitude of the risk assumed. Any
instruments determined to be illiquid are subject to the 15% restriction on
illiquid securities.

OPTIONS AND FUTURES CONTRACTS
         Covered   Options.   The  Fund  may,  in  pursuit  of  its   investment
objectives,   engage  in  the  writing  of  covered  call  options  in  standard
contracts  traded  on  national  securities   exchanges  or  quoted  on  NASDAQ,
provided that:  (1) the Fund continues to own the securities  covering each call
option  until  the  call  option  has  been  exercised  or  until  the  Fund has
purchased  a  closing  call to  offset  its  obligation  to  deliver  securities
pursuant  to the call  option it had  written;  and (2) the market  value of all
securities  covering  call options in the Fund does not exceed 35% of the market
value of the Fund's net  assets.  The Fund may also write  secured  put  options
against  U.S.  Government-backed   obligations  and  uses  a  variety  of  other
investment  techniques,  seeking to hedge  against  changes in the general level
of  interest  rates,  including  the  purchase  of put and call  options on debt
securities  and the purchase and sale of interest  rate  futures  contracts  and
options on such futures.  The Fund will not engage in such  transactions for the
purpose of  speculation  or leverage.  Such  investment  policies and techniques
may involve a greater  degree of risk than those  inherent in more  conservative
investment approaches.
         The Fund will not engage in options or futures  transactions  unless it
receives  appropriate  regulatory  approvals  permitting  the Fund to  engage in
such transactions.  The Fund observes the following operating policy,  which may
be changed  without  the  approval  of a  majority  of the  outstanding  shares:
Purchase a futures  contract or an option  thereon if, with respect to positions
in futures or options on futures which do not represent  bonafide  hedging,  the
aggregate  initial  margin and premiums on such  options  would exceed 5% of the
Fund's net asset value. (See non-fundamental investment restriction number 1.)
         Covered  Options  on Debt  Securities.  The  Fund  may  write  "covered
options"  on  debt   securities  in  standard   contracts   traded  on  national
securities  exchanges and in the  over-the-counter  market.  The Fund will write
such  options in order to receive the  premiums  from options that expire and to
seek net gains from closing purchase transactions with respect to such options.
         The Fund may write only  "covered  options."  This means  that,  in the
case of call  options,  so long as the Fund is obligated as the writer of a call
option,  it will own the underlying  security  subject to the option and, in the
case  of put  options,  the  Fund  will,  through  its  custodian,  deposit  and
maintain with a securities  depository U.S.  Treasury  obligations with a market
value equal to or greater than the exercise price of the option.
         Characteristics  of Covered Options.  When a Fund writes a covered call
option,  the Fund gives the  purchaser the right to purchase the security at the
call option  price at any time  during the life of the option.  As the writer of
the option,  the Fund  receives a premium,  less a  commission,  and in exchange
foregoes  the  opportunity  to profit from any  increase in the market  value of
the security  exceeding  the call option price.  The premium  serves to mitigate
the effect of any  depreciation  in the market  value of the  security.  Writing
covered  call  options  can  increase  the  income  of the Fund and thus  reduce
declines in the net asset value per share of the Fund if  securities  covered by
such  options  decline  in value.  Exercise  of a call  option by the  purchaser
however  will cause the Fund to forego  future  appreciation  of the  securities
covered by the option.
         When the Fund  writes a secured  put  option,  it will gain a profit in
the  amount  of the  premium,  less a  commission,  so long as the  price of the
underlying  security  remains  above  the  exercise  price.  However,  the  Fund
remains  obligated to purchase  the  underlying  security  from the buyer of the
put  option  (usually  in the event the price of the  security  falls  below the
exercise  price)  at any time  during  the  option  period.  If the price of the
underlying  security  falls  below the  exercise  price,  the Fund may realize a
loss in the amount of the  difference  between the  exercise  price and the sale
price of the security, less the premium received.
         The Fund  purchases  securities  which may be covered with call options
solely  on  the  basis  of   considerations   consistent   with  the  investment
objectives and policies of the Fund.
         The  Fund's  turnover  may  increase  through  the  exercise  of a call
option;  this will generally  occur if the market value of a "covered"  security
increases and the Fund has not entered into a closing purchase transaction.
         Expiration  of a put or call  option or entry  into a closing  purchase
transaction  will  result in a  short-term  capital  gain,  unless the cost of a
closing  purchase  transaction  exceeds the premium  the Fund  received  when it
initially  wrote  the  option,  in which  case a  short-term  capital  loss will
result. If the purchaser  exercises a put or call option,  the Fund will realize
a gain or loss from the sale of the  security  acquired or sold  pursuant to the
option,  and in  determining  the gain or loss the  premium  will be included in
the proceeds of sale.  To preserve the Fund's  status as a regulated  investment
company  under  Subchapter  M of the  Internal  Revenue  Code,  it is the Fund's
policy to limit  any gains on put or call  options  and  other  securities  held
less than three months to less than 30% of the Fund's annual gross income.
         Risks  Related  to  Options  Transactions.  The Fund can  close out its
positions  in  exchange  traded  options  only on an exchange  which  provides a
secondary  market in such  options.  Although  the Fund  intends to acquire  and
write only such  exchange-traded  options for which an active  secondary  market
appears to exist,  there can be no  assurance  that such a market will exist for
any  particular  option  contract at any  particular  time.  It is  difficult to
accurately  predict  the  extent  of  trading  interest  that may  develop  with
respect  to such  options.  This  might  prevent a Fund from  closing an options
position,  which  could  impair  the  Fund's  ability  to  hedge  its  portfolio
effectively.  Also, a Fund's  inability to close out a call position may have an
adverse  effect on its  liquidity  because  the Fund may be required to hold the
securities underlying the option until the option expires or is exercised.
         The hours of trading  for  options on U.S.  Government  securities  may
not correspond  exactly to the hours of trading for the  underlying  securities.
To the  extent  that the  options  markets  close  before  the  U.S.  Government
securities markets,  significant  movements in rates and prices may occur in the
Government securities markets that cannot be reflected in the options markets.
         Interest  Rate Futures  Transactions.  A change in the general level of
interest  rates  will  affect the market  value of debt  securities  in a Fund's
portfolio.  The Fund may  purchase  and sell  interest  rate  futures  contracts
("futures   contracts")  as  a  hedge  against  changes  in  interest  rates  in
accordance  with the  strategies  described  below.  A  futures  contract  is an
agreement  between  two  parties  to buy and sell a  security  on a future  date
which has the  effect  of  establishing  the  current  price  for the  security.
Although   futures   contracts  by  their  terms  require  actual  delivery  and
acceptance  of  securities,  in most cases the  contracts  are closed out before
the  settlement  date  without the making or taking of  delivery of  securities.
Upon  purchasing  or  selling  a futures  contract,  the Fund  deposits  initial
margin with its custodian,  and thereafter daily payments of maintenance  margin
are  made to and from the  executing  broker.  Payments  of  maintenance  margin
reflect  changes  in the  value of the  futures  contract,  with the Fund  being
obligated to make such  payments if its futures  position  becomes less valuable
and entitled to receive such payments if its position becomes more valuable.
         Futures  contracts  have been  designed  by boards of trade  which have
been designated  "contract  markets" by the Commodity Futures Trading Commission
("CFTC").  As a series of a registered  investment company, the Fund is eligible
for exclusion from the CFTC's  definition of "commodity pool operator,"  meaning
that the  Fund may  invest  in  futures  contracts  under  specified  conditions
without  registering with the CFTC.  Futures contracts trade on contract markets
in a manner that is similar to the way a stock trades on a stock  exchange,  and
the  boards  of  trade,   through   their   clearing   corporations,   guarantee
performance of the contracts.
         The  purchase  and sale of  futures  contracts  is for the  purpose  of
hedging the Fund's  holdings of long-term  debt  securities.  Futures  contracts
based on U.S.  Government  securities and GNMA  Certificates  historically  have
reacted to an increase or  decrease  in  interest  rates in a manner  similar to
the  manner in which  mortgage-related  securities  reacted  to the  change.  If
interest rates increase,  the value of such  securities in the Fund's  portfolio
would  decline,  but the value of a short  position in futures  contracts  would
increase at  approximately  the same rate,  thereby  keeping the net asset value
of the Fund from declining as much as it otherwise  would have.  Thus, if a Fund
owns  long-term  securities  and interest  rates were  expected to increase,  it
might  sell  futures  contracts  rather  than  sell its  holdings  of  long-term
securities.  If, on the other hand,  the Fund held cash  reserves  and  interest
rates were  expected to decline,  the Fund might  enter into  futures  contracts
for the purchase of U.S.  Government  securities or GNMA  certificates  and thus
take  advantage of the  anticipated  risk in the value of  long-term  securities
without  actually  buying  them until the market had  stabilized.  At that time,
the futures  contracts  could be liquidated  and the Fund's cash reserves  could
then be used to buy  long-term  securities  in the cash  market.  The Fund could
accomplish  similar  results  by selling  securities  with long  maturities  and
investing in securities  with short  maturities when interest rates are expected
to  increase  or  by  buying   securities   with  long  maturities  and  selling
securities  with short  maturities  when interest rates are expected to decline.
But by using  futures  contracts as an  investment  tool to manage risk it might
be possible to accomplish the same result easily and quickly.
         Options  on Futures  Contracts.  The Fund may  purchase  and write call
and put  options on futures  contracts  which are traded on a U.S.  exchange  or
board  of trade  and  enter  into  closing  transactions  with  respect  to such
options to  terminate  an  existing  position.  An option on a futures  contract
gives the  purchaser  the right,  in return for the  premium  paid,  to assume a
position  in a futures  contract-a  long  position if the option is a call and a
short  position  if the  option is a put-at a  specified  exercise  price at any
time  during  the  period of the  option.  The Fund will pay a premium  for such
options  which it purchases.  In  connection  with such options which it writes,
the Fund will make  initial  margin  deposits  and make or  receive  maintenance
margin  payments  which  reflect  changes in the market  value of such  options.
This  arrangement  is similar to the margin  arrangements  applicable to futures
contracts described above.
         Purchase  of Put  Options on Futures  Contracts.  The  purchase  of put
options on futures  contracts is analogous to the sale of futures  contracts and
is used to protect the Fund's  portfolio of debt securities  against the risk of
declining prices.
         Purchase of Call  Options on Futures  Contracts.  The  purchase of call
options  on  futures  contracts   represents  a  means  of  obtaining  temporary
exposure  to  market  appreciation  at  limited  risk.  It is  analogous  to the
purchase of a futures  contract and is used to protect  against a market advance
when the Fund is not fully invested.
         Writing  Call  Options  on  Futures  Contracts.  The  writing  of  call
options on futures  contracts  constitutes  a partial  hedge  against  declining
prices  of the debt  securities  which  are  deliverable  upon  exercise  of the
futures  contracts.  If the futures  contract  price at  expiration is below the
exercise  price,  the Fund will  retain the full  amount of the  option  premium
which  provides a partial  hedge  against any decline that may have  occurred in
the Fund's holdings of debt securities.
         Writing  Put Options on Futures  Contracts.  The writing of put options
on futures  contracts is analogous to the purchase of futures  contracts.  If an
option is exercised,  the net cost to the Fund of the debt  securities  acquired
by it will be reduced by the amount of the option premium  received.  Of course,
if market prices have declined,  the Fund's  purchase price upon exercise may be
greater  than the price at which the debt  securities  might be purchased in the
cash market.
         Risks of Options and Futures  Contracts.  If the Fund has sold  futures
or takes  options  positions  to hedge  its  portfolio  against  decline  in the
market  and the  market  later  advances,  the  Fund  may  suffer  a loss on the
futures  contracts or options which it would not have  experienced if it had not
hedged.  The success of a hedging strategy  depends on the Advisor's  ability to
predict  the   direction  of  interest   rates  and  other   economic   factors.
Correlation is imperfect  between  movements in the prices of futures or options
contracts  and  movements in prices of the  securities  which are the subject of
the  hedge.  Thus,  the price of the  futures  contract  or option may move more
than or less than the price of the  securities  being  hedged.  If a Fund used a
futures or options  contract to hedge  against a decline in the market,  and the
market later  advances (or vice versa),  the Fund may suffer a greater loss than
if it had not hedged.
         A Fund can close  out its  futures  positions  only on an  exchange  or
board of trade which provides a secondary  market in such futures.  Although the
Fund  intends  to  purchase  or sell  only  such  futures  for  which an  active
secondary  market  appears  to  exist,  there  can be no  assurance  that such a
market will exist for any particular  futures  contract at any particular  time.
This  might  prevent  the Fund  from  closing a futures  position,  which  could
require the Fund to make daily cash  payments  with  respect to its  position in
the  event of  adverse  price  movements.  In such  situations,  if the Fund has
insufficient  cash,  it may  have to sell  portfolio  securities  to meet  daily
margin  requirements  at a time when it would be  disadvantageous  to do so. The
inability to close  futures or options  positions  could have an adverse  effect
on the Fund's  ability to hedge  effectively.  There is also risk of loss by the
Fund of margin  deposits  in the event of  bankruptcy  of a broker with whom the
Fund has an open  position in a futures  contract.  To partially  or  completely
offset losses on futures  contracts,  the Fund will normally hold the securities
against which the futures  positions were taken until the futures  positions can
be closed out, so that the Fund  receives  the gain (if any) from the  portfolio
securities. This might have an adverse effect on the Fund's overall liquidity.
         Options on futures  transactions  bear  several  risks apart from those
inherent in options  transactions  generally.  A Fund's ability to close out its
options  positions  in futures  contracts  will  depend  upon  whether an active
secondary  market for such options  develops and is in existence at the time the
Fund seeks to close its position.  There can be no assurance  that such a market
will  develop or exist.  Therefore,  the Fund might be required to exercise  the
options to realize any profit.


LENDING PORTFOLIO SECURITIES
         The Fund may lend its portfolio securities to member firms of the New
York Stock Exchange and commercial banks with assets of one billion dollars or
more. Any such loans must be secured continuously in the form of cash or cash
equivalents such as US Treasury bills. The amount of the collateral must on a
current basis equal or exceed the market value of the loaned securities, and
the Fund must be able to terminate such loans upon notice at any time. The
Fund will exercise its right to terminate a securities loan in order to
preserve its right to vote upon matters of importance affecting holders of the
securities.
         The  advantage of such loans is that the Fund  continues to receive the
equivalent  of the  interest  earned or  dividends  paid by the  issuers  on the
loaned  securities  while  at the  same  time  earning  interest  on the cash or
equivalent  collateral  which may be  invested  in  accordance  with the  Fund's
investment objective, policies and restrictions.
         Securities  loans  are  usually  made  to   broker-dealers   and  other
financial  institutions  to facilitate  their  delivery of such  securities.  As
with any  extension  of  credit,  there  may be risks of delay in  recovery  and
possibly  loss of rights in the loaned  securities  should the  borrower  of the
loaned  securities fail  financially.  However,  the Fund will make loans of its
portfolio  securities  only to those firms the Advisor  deems  creditworthy  and
only on  terms  the  Advisor  believes  should  compensate  for  such  risk.  On
termination  of the loan,  the borrower is obligated to return the securities to
the Fund.  The Fund will  recognize  any gain or loss in the market value of the
securities  during the loan period.  The Fund may pay reasonable  custodial fees
in connection with the loan.

EUROCURRENCY CONVERSION RISK
         European countries that are members of the European Monetary Union
have agreed to use a common currency unit, the "euro," beginning in 1999.
Currently, each of these countries has its own currency unit.  Although the
Advisor does not anticipate any problems in conversion from the old currencies
to the euro, there may be issues involved in settlement, valuation, and
numerous other areas that could impact the Fund.  Calvert has been reviewing
all of its computer systems for Eurocurrency conversion compliance.  There can
be no assurance that there will be no negative impact on the Fund, however,
the Advisor and custodian have advised the Fund that they have been actively
working on any necessary changes to their computer systems to prepare for the
conversion, and expect that their systems, and those of their outside service
providers, will be adapted in time for that event.

INTERNATIONAL MONEY MARKET INSTRUMENTS
         Calvert  Income  Fund may,  in  pursuit  of its  investment  objective,
invest  in U.S.  dollar-denominated  obligations  of  foreign  branches  of U.S.
banks and U.S.  branches of foreign banks.  Such  obligations are not insured by
the Federal  Deposit  Insurance  Corporation.  Foreign and domestic bank reserve
requirements   may  differ.   Payment  of  interest  and  principal  upon  these
obligations  and the  marketability  and  liquidity of such  obligations  in the
secondary  market may also be affected by governmental  action in the country of
domicile of the branch  (generally  referred to as "sovereign  risk").  Examples
of  governmental  actions  would  be the  imposition  of  exchange  or  currency
controls,   interest  limitations  or  withholding  taxes  on  interest  income,
seizure  of  assets,  or the  declaration  of a  moratorium  on the  payment  of
principal  or  interest.  In  addition,  evidences  of  ownership  of  portfolio
securities  may be held outside of the U.S.,  and the Fund may be subject to the
risks associated with the holding of such property overseas.
         The  obligations  of  foreign  branches  of  U.S.  banks  and  of  U.S.
branches  of foreign  banks may be  general  obligations  of the parent  bank in
addition  to being  obligations  of the  issuing  branch,  or may be  limited to
being  an  obligation  of the  issuing  branch  by  the  terms  of the  specific
obligation  or  by  government  action  or  regulation.  Obligations  which  are
limited to being  obligations  of the issuing  branch may involve  greater risks
than  obligations  which  are  generally  obligations  of  the  parent  bank  in
addition to being obligations of the issuing branch.
         The  Fund  will  carefully   consider  these  factors  in  making  such
investments  and will  invest  no more  than 25% of the  value of its  assets in
U.S.  dollar-denominated  obligations of foreign branches of U.S. banks and U.S.
branches of foreign banks.



                            INVESTMENT RESTRICTIONS

Fundamental Investment Restrictions
         The  Fund  has  adopted  the  following  investment   restrictions  and
fundamental   policies.   These  restrictions  cannot  be  changed  without  the
approval  of the holders of a majority  of the  outstanding  shares of the Fund.
As defined in the Investment  Company Act of 1940,  this means the lesser of the
vote of (a) 67% of the  shares of the Fund at a meeting  where  more than 50% of
the  outstanding  shares are  present in person or by proxy or (b) more than 50%
of the  outstanding  shares of the Fund.  Shares have equal rights as to voting,
except  that only shares of a series are  entitled  to vote on matters,  such as
changes in investment objective,  policies or restrictions,  affecting only that
series (such as changes in investment objective, policies or restrictions).
         Any investment restriction (other than those regarding borrowings and
illiquid holdings) which involves a maximum percentage of securities or assets
shall not be considered to be violated unless an excess over the applicable
percentage occurs immediately after an acquisition of securities or
utilization of assets and results therefrom.

         The Fund may not:

         1.    Issue senior securities or borrow money, except from banks for
              temporary or emergency purposes and then only as permitted by
              law, in an amount up to 33 1/3% of the value of the Fund's total
              assets or as permitted by law and except by engaging in reverse
              repurchase agreements, where allowed. In order to secure any
              permitted borrowings and reverse repurchase agreements under
              this section, the Fund may pledge, mortgage or hypothecate its
              assets.
         2.    Underwrite the securities of other issuers, except as permitted
              by the Board of Trustees, within applicable law, and except to
              the extent that in connection with the disposition of its
              portfolio securities, the Fund may be deemed to be an
              underwriter.
         3.    Invest directly in commodities, commodities futures contracts,
              or real estate, although it may invest in securities which are
              secured by real estate or real estate mortgages and securities
              of issuers which invest or deal in commodities, commodity
              futures, real estate or real estate mortgages.
         4.    Make loans of more than one-third of the total assets of the
              Fund, or as permitted by law, other than through the purchase of
              money market instruments and repurchase agreements or by the
              purchase of bonds, debentures or other debt securities.
         5.    Concentrate 25% or more of the value of its assets in any one
              industry, or as permitted by law; provided, however, that there
              is no limitation with respect to investments in obligations
              issued or guaranteed by the United States Government or its
              agencies and instrumentalities, and repurchase agreements
              secured thereby, and there is no limitation with respect to
              investments in money market instruments of banks.

Nonfundamental Investment Restrictions
         The Fund has adopted the following  operating  (i.e.,  non-fundamental)
investment  policies  and  restrictions  which  may be  changed  by the Board of
Trustees without shareholder approval. The Fund may not:

         1.   Enter into  a  futures  contract  or an  option on a futures
              contract if the aggregate initial margin and premiums required 
              to establish these positions would exceed 5% of the Fund's net
              assets.
             
         2    Purchase a put or call option on a security (including a straddle
              or spread) if the value of that option or premium, when 
              aggregated with the premiums on all other options on securities
              held by the Fund, would exceed 5% of the Fund's total assets.

         3.   Effect  short sales of  securities,  except (a) if it owns or has
              the right to obtain  securities  equivalent  in kind and amount to
              the  securities  sold short,  or (b) it may effect  short sales of
              U.S.  Treasury  securities for the limited  purpose of hedging the
              duration   of  the  Fund's   portfolio.   For   purposes  of  this
              restriction,  transactions  in futures  contracts  and options are
              not deemed to constitute selling securities short.
           
         4.    Invest more than 20% of its assets in the  securities  of foreign
              issuers.
         5.    Purchase  illiquid  securities if, as a result,  more than 15% of
              its net assets would be invested in such securities.
         

                       DIVIDENDS, DISTRIBUTIONS AND TAXES

         The Funds intend to qualify as  regulated  investment  companies  under
Subchapter M of the  Internal  Revenue  Code.  If for any reason the Fund should
fail to qualify,  it would be taxed as a corporation  at the Fund level,  rather
than passing through its income and gains to shareholders.
         Distributions  of realized  net capital  gains,  if any,  are  normally
paid  once a  year;  however,  the  Fund  does  not  intend  to  make  any  such
distributions  unless available capital loss carryovers,  if any, have been used
or  have  expired.  As of  [DATE],  the  Fund  had a  tax-loss  carryforward  of
$________.
         Under the backup  withholding  provisions  of the Interest and Dividend
Tax  Compliance  Act of  1983,  the  Fund is  required  to  withhold  31% of any
dividends  and  capital  gains   distributions,   and  31%  of  each  redemption
transaction,   if:  (a)  the  shareholder's  social  security  number  or  other
taxpayer   identification  number  ("TIN")  is  not  provided  or  an  obviously
incorrect  TIN  is  provided;   (b)  the  shareholder  does  not  certify  under
penalties  of perjury  that the TIN  provided is the  shareholder's  correct TIN
and that the  shareholder  is not subject to backup  withholding  under  section
3406(a)(1)(C) of the Internal Revenue Code because of  underreporting  (however,
failure   to   provide   certification   as  to  the   application   of  section
3406(a)(1)(C)  will  result  only in backup  withholding  on  dividends,  not on
redemptions);  or (c) the Fund is notified by the Internal  Revenue Service that
the TIN  provided  by the  shareholder  is  incorrect  or that  there  has  been
underreporting   of  interest  or   dividends  by  the   shareholder.   Affected
shareholders  will receive  statements at least  annually  specifying the amount
withheld.
         In  addition,   the  Fund  is  required  under  the  broker   reporting
provisions  of the Tax Equity and  Fiscal  Responsibility  Act of 1982 to report
to the Internal  Revenue Service the following  information with respect to each
redemption  transaction:  (a) the shareholder's  name,  address,  account number
and  taxpayer   identification  number;  (b)  the  total  dollar  value  of  the
redemptions; and (c) the Fund's identifying CUSIP number.
         Certain  shareholders are, however,  exempt from the backup withholding
and broker reporting  requirements.  Exempt shareholders  include  corporations;
financial institutions;  tax-exempt organizations;  individual retirement plans;
the U.S.,  a State,  the  District  of  Columbia,  a U.S  possession,  a foreign
government,  an  international  organization,   or  any  political  subdivision,
agency or instrumentality of any of the foregoing;  U.S. registered  commodities
or securities  dealers;  real estate investment  trusts;  registered  investment
companies;  bank common trust funds; certain charitable trusts;  foreign central
banks of issue.  Non-resident  aliens also are  generally  not subject to either
requirement   but,  along  with  certain   foreign   partnerships   and  foreign
corporations,  may instead be subject to  withholding  under Section 1441 of the
Internal Revenue Code.  Shareholders  claiming exemption from backup withholding
and broker reporting should call or write the Fund for further information.
         Dividends and distributions  are automatically  reinvested at net asset
value in additional  shares.  Shareholders may elect to have their dividends and
distributions  paid out in cash,  or  invested  at net  asset  value in  another
Calvert Group Fund.
         Distributions  from realized net short-term  capital gains,  as well as
dividends from net investment  income,  are currently taxable to shareholders as
ordinary income.
         Net long-term  capital gains  distributions,  if any, will generally be
includable  as long-term  capital gain in the gross income of  shareholders  who
are  citizens  or  residents  of  the  United  States.   Whether  such  realized
securities  gains and losses are long-term or  short-term  depends on the period
the securities  are held by the Fund,  not the period for which the  shareholder
holds shares of the Fund.
         Dividends  and  distributions  are taxable  regardless  of whether they
are  reinvested  in additional  shares of a Fund or not. A shareholder  may also
be subject to state and local  taxes on  dividends  and  distributions  from the
Fund.  The Fund will  notify  shareholders  each  January as to the  federal tax
status  of  dividends  and  distributions  paid by the  Fund and the  amount  of
dividends withheld, if any, during the previous fiscal year.

                                NET ASSET VALUE

         The net asset  value per share of the Fund,  the price at which  shares
are redeemed,  is determined  every business day as of 4:00 p.m.,  Eastern time,
and at such other times as may be  appropriate  or necessary.  The Fund does not
determine  net asset value on certain  national  holidays or other days on which
the New York Stock Exchange is closed:  New Year's Day,  Martin Luther King Day,
Presidents'  Day,  Good  Friday,  Memorial  Day,  Independence  Day,  Labor Day,
Thanksgiving Day, and Christmas Day.
         The Fund's net asset  value per share is computed  separately  for each
class by dividing the value of its total assets,  less its  liabilities,  by the
total  number  of  shares  outstanding.   Portfolio  securities  are  valued  as
follows:  (a) securities for which market  quotations are readily  available are
valued at the most recent  closing price,  mean between bid and asked price,  or
yield   equivalent  as  obtained  from  one  or  more  market  makers  for  such
securities;  (b) securities  maturing within 60 days are valued at cost, plus or
minus  any  amortized  discount  or  premium,   unless  the  Board  of  Trustees
determines such method not to be appropriate  under the  circumstances;  and (c)
all other  securities  and assets for which  market  quotations  are not readily
available are fairly  valued by the Advisor in good faith under the  supervision
of the Board of Trustees.

Net Asset Value and Offering Price Per Share

         Net asset value per share
         ($_________/__________ shares)          $__.__
         Maximum sales charge, Class A
         (3.75% of offering price)                0 .__
         Offering price per share, Class A       $__.__

         Class B net asset value and offering price per share
         ($__________/__________ shares)         $__.__

         Class C net asset value and offering price per share
         ($__________/__________ shares)         $__.__

         Class I net asset value and offering price per share
         ($__________/__________ shares)         $__.__

                     CALCULATION OF YIELD AND TOTAL RETURN

YIELD
         From  time  to  time,  the  Fund  may  advertise  its  "yield".   Yield
quotations   are   historical,   and  are  not   intended  to  indicate   future
performance.    "Yield"    quotations    refer   to   the   aggregate    imputed
yield-to-maturity  of each of the Fund's  investments  based on the market value
as of the last day of a given  thirty-day  or  one-month  period,  less  accrued
expenses  (net  of  reimbursement),  divided  by the  average  daily  number  of
outstanding  shares which are entitled to receive  dividends,  times the maximum
offering  price on the last day of the  period  (so that the effect of the sales
charge is included in the  calculation),  compounded on a "bond  equivalent," or
semi-annual,  basis.  The Fund's yield is computed  according  to the  following
formula:

                               Yield = 2(+1)6 - 1

where a = dividends  and interest  earned  during the period using the aggregate
imputed  yield-to-maturity  for each of the Fund's investments as noted above; b
=  expenses  accrued  for the period  (net of  reimbursement,  if any);  c = the
average  daily  number  of  shares  outstanding  during  the  period  that  were
entitled to receive  dividends;  and d = the maximum offering price per share on
the last day of the period.  Using this  calculation,  the Fund's  yield for the
month ended September 30, 1998 was ___% for Class A shares.
         Yield will  fluctuate  in  response  to changes in  interest  rates and
general  economic  conditions,   portfolio  quality,   portfolio  maturity,  and
operating  expenses.  Yield  is  not  fixed  or  insured  and  therefore  is not
comparable  to a savings or other  similar  type of  account.  Yield  during any
particular  time period  should not be considered an indication of future yield.
It is,  however,  useful in  evaluating  the Fund's  performance  in meeting its
investment objective.

TOTAL RETURN
         The Fund may also  advertise  "total  return." Total return is computed
by  taking  the  total  number  of shares  purchased  by a  hypothetical  $1,000
investment  after deducting any applicable  sales charge,  adding all additional
shares   purchased   within   the   period   with   reinvested   dividends   and
distributions,  calculating  the value of those shares at the end of the period,
and dividing the result by the initial  $1,000  investment.  For periods of more
than one year,  the  cumulative  total return is then adjusted for the number of
years,  taking  compounding  into  account,  to calculate  average  annual total
return during that period.
         Total return is computed according to the following formula:

                                P(1 + T)n = ERV

where P = a  hypothetical  initial  payment of $1,000  (less the  maximum  sales
charge imposed during the period  calculated);  T = total return;  n = number of
years, and ERV = the ending  redeemable  value of a hypothetical  $1,000 payment
made at the beginning of the period.
     Total return is historical in nature and is not intended to indicate future
performance.  All total return  quotations  reflect the  deduction of the Fund's
maximum sales charge  "return with maximum  load," except  quotations of "return
without  maximum  load" (or "without  CDSC")  which do not deduct sales  charge.
Thus, in the above formula, for total return, P = the entire $1,000 hypothetical
initial  investment and does not reflect the deduction of any sales charge;  for
actual  return,  P = a  hypothetical  initial  payment of $1,000  less any sales
charge actually imposed at the beginning of the period for which the performance
is being calculated.  Return figures should be considered only by investors that
qualify for a reduced sales charge or no sales charge,  such as  participants in
certain pension plans,  to whom the sales charge does not apply.  Return figures
may also be considered for purposes of comparison only with  comparable  figures
which also do not reflect sales charges, such as Lipper averages.
         Return for the Fund's shares for the periods indicated are as follows:


Periods Ended                  Class A                       Class B
September 30, 1998           Total Return                 Total Return
                     With/Without Maximum Load         With/Without CDSC


One Year                 __.__%      __.__%           N/A        N/A
Five Years               __.__%      __.__%           N/A        N/A
Ten Years                __.__%      __.__%           N/A        N/A

Periods Ended                  Class C                       Class I
September 30, 1998           Total Return                 Total Return
                              With/Without CDSC

One Year                 N/A         N/A                      N/A
From Inception           N/A         N/A                      N/A
([__/__/__])

                       PURCHASE AND REDEMPTION OF SHARES

         Share  certificates  will not be issued unless  requested in writing by
the  investor.  No  charge  will be made  for  share  certificate  requests.  No
certificates will be issued for fractional shares.
         Amounts  redeemed  by check  redemption  may be mailed to the  investor
without  charge.  Amounts  of  more  than  $50 and  less  than  $300,000  may be
transferred  electronically  at no charge to the investor.  Amounts of $1,000 or
more will be  transmitted  by wire without  charge by the Fund to the investor's
account at a domestic  commercial  bank that is a member of the Federal  Reserve
System or to a  correspondent  bank. A charge of $5 is imposed on wire transfers
of less than $1,000.  If the  investor's  bank is not a Federal  Reserve  System
member,  failure of  immediate  notification  to that bank by the  correspondent
bank  could  result in a delay in  crediting  the funds to the  investor's  bank
account.
         Telephone  redemption  requests  which would require the  redemption of
shares  purchased by check or electronic  funds transfer  within the previous 10
business  days may not be  honored.  The Fund  reserves  the right to modify the
telephone redemption privilege.
         Existing  shareholders  who at any  time  desire  to  arrange  for  the
telephone  redemption  procedure,  or to change instructions already given, must
send a written  notice  either to the  broker  through  which  the  shares  were
purchased  or to the Fund with a voided  check from the bank  account to receive
the  redemption  proceeds.  New  wiring  instructions  may be  accompanied  by a
voided  check in lieu of a signature  guarantee.  Further  documentation  may be
required  from  corporations,  fiduciaries,  pension  plans,  and  institutional
investors.
         The Fund's  redemption  check  normally  will be mailed to the investor
on the  next  business  day  following  the date of  receipt  by the Fund of the
written or  telephone  redemption  request.  If the investor so instructs in the
redemption  request,  the check will be mailed or the redemption  proceeds wired
to a  predesignated  account at the  investor's  bank.  Redemption  proceeds are
normally paid in cash.  However,  at the sole  discretion of the Fund,  the Fund
has the  right to  redeem  shares  in  assets  other  than  cash for  redemption
amounts exceeding,  in any 90-day period,  $250,000 or 1% of the net asset value
of the Fund, whichever is less, or as allowed by law.
         The right of  redemption  of Fund shares may be  suspended  or the date
of payment  postponed  for any period  during which the New York Stock  Exchange
is closed (other than customary weekend and holiday  closings),  when trading on
the  New  York  Stock  Exchange  is  restricted,  or  an  emergency  exists,  as
determined by the Securities and Exchange  Commission,  or if the Commission has
ordered  such a  suspension  for  the  protection  of  shareholders.  Redemption
proceeds  are  normally  mailed or wired the next  business  day but in no event
later  than  seven days after a proper  redemption  request  has been  received,
unless redemptions have been suspended or postponed as described above.

                                  ADVERTISING

         The Fund or its  affiliates  may provide  information  such as, but not
limited   to,  the   economy,   investment   climate,   investment   principles,
sociological   conditions  and  political   ambiance.   Discussion  may  include
hypothetical  scenarios  or  lists  of  relevant  factors  designed  to aid  the
investor in  determining  whether  the Fund is  compatible  with the  investor's
goals.  The Fund may list  portfolio  holdings or give  examples  or  securities
that may have been  considered for inclusion in the  Portfolio,  whether held or
not.
         The Fund or its  affiliates  may supply  comparative  performance  data
and rankings  from  independent  sources such as  Donoghue's  Money Fund Report,
Bank  Rate  Monitor,  Money,  Forbes,  Lipper  Analytical  Services,  Inc.,  CDA
Investment  Technologies,   Inc.,  Wiesenberger  Investment  Companies  Service,
Russell 2000/Small Stock Index, Mutual Fund Values Morningstar  Ratings,  Mutual
Fund Forecaster,  Barron's,  The Wall Street Journal, and Schabacker  Investment
Management,  Inc. Such averages  generally do not reflect any front- or back-end
sales charges that may be charged by Funds in that  grouping.  The Fund may also
cite to any source,  whether in print or on-line,  such as  Bloomberg,  in order
to  acknowledge  origin  of  information.  The Fund may  compare  itself  or its
portfolio holdings to other  investments,  whether or not issued or regulated by
the  securities  industry,  including,  but  not  limited  to,  certificates  of
deposit and Treasury notes.  The Fund, its Advisor,  and its affiliates  reserve
the right to update performance rankings as new rankings become available.
         Calvert Group is the nation's  leading  family of socially  responsible
mutual  funds,  both in terms of socially  responsible  mutual fund assets under
management,  and number of socially  responsible  mutual fund portfolios offered
(source:  Social  Investment Forum,  November 30, 1997).  Calvert Group was also
the first to offer a family of socially responsible mutual fund portfolios.

                             TRUSTEES AND OFFICERS

      The  Fund's  Board  of  Trustees  supervises  the  Fund's  activities  and
reviews its contracts with companies that provide it with services.
         RICHARD L. BAIRD, JR.,  Trustee.  Mr. Baird is Executive Vice President
of Family  Health  Council,  Inc.  in  Pittsburgh,  Pennsylvania,  a  non-profit
corporation which provides family planning services,  nutrition,  maternal/child
health  care,  and  various   health   screening   services.   Mr.  Baird  is  a
trustee/director  of each of the  investment  companies in the Calvert  Group of
Funds,  except for Calvert  Variable  Series,  Inc.,  Calvert New World Fund and
Calvert  World  Values  Fund.  DOB:  05/09/48.   Address:  211  Overlook  Drive,
Pittsburgh, Pennsylvania 15216.
         FRANK H. BLATZ, JR., Esq.,  Trustee.  Mr. Blatz is a partner in the law
firm of Snevily,  Ely,  Williams,  Gurrieri & Blatz.  He was  formerly a partner
with Abrams,  Blatz, Gran,  Hendricks & Reina, P.A. DOB: 10/29/35.  Address: 308
East Broad Street, PO Box 2007, Westfield, New Jersey 07091.
         FREDERICK T. BORTS,  M.D.,  Trustee.  Dr. Borts is a  radiologist  with
Kaiser  Permanente.  Prior to that,  he was a radiologist  at Bethlehem  Medical
Imaging in Allentown,  Pennsylvania.  DOB: 07/23/49. Address: 2040 Nuuanu Avenue
#1805, Honolulu, Hawaii, 96817.
         *CHARLES E. DIEHL,  Trustee.  Mr. Diehl is Vice President and Treasurer
Emeritus of the George  Washington  University,  and has retired from University
Support  Services,  Inc. of Herndon,  Virginia.  He is also a Director of Acacia
Mutual  Life  Insurance  Company.  DOB:  10/13/22.  Address:  1658 Quail  Hollow
Court, McLean, Virginia 22101.
         DOUGLAS E. FELDMAN,  M.D.,  Trustee.  Dr.  Feldman  practices  head and
neck  reconstructive  surgery in the Washington,  D.C.,  metropolitan area. DOB:
05/23/48. Address: 7536 Pepperell Drive, Bethesda, Maryland 20817.
         PETER W. GAVIAN,  CFA, Trustee.  Mr. Gavian is a principal of Gavian De
Vaux  Associates,  an  investment  banking  firm.  He was formerly  President of
Corporate  Finance of  Washington,  Inc. DOB:  12/08/32.  Address:  1953 Gallows
Road, Suite 130, Vienna, Virginia 22201.
         *JOHN G.  GUFFEY,  JR.,  Executive  Vice  President  and  Trustee.  Mr.
Guffey is chairman  of the  Calvert  Social  Investment  Foundation,  organizing
director of the Community  Capital Bank in Brooklyn,  New York,  and a financial
consultant  to various  organizations.  In  addition,  he is a  Director  of the
Community  Bankers  Mutual  Fund of  Denver,  Colorado,  and the  Treasurer  and
Director of Silby,  Guffey,  and Co.,  Inc., a venture  capital firm. Mr. Guffey
is a trustee/director  of each of the other investment  companies in the Calvert
Group of Funds,  except for Calvert New World Fund,  Inc.  and Calvert  Variable
Series, Inc.. DOB: 5/15/48.  Address:  7205 Pomander Lane, Chevy Chase, Maryland
20815.
         M.  CHARITO  KRUVANT,  Trustee.  Ms.  Kruvant is  President of Creative
Associates  International,  Inc.,  a firm that  specializes  in human  resources
development,  information  management,  public  affairs and  private  enterprise
development.  DOB: 12/08/45.  Address:  5301 Wisconsin Avenue, N.W.  Washington,
D.C. 20015.
         ARTHUR J.  PUGH,  Trustee.  Mr.  Pugh  serves as a  Director  of Acacia
Federal Savings Bank. DOB:  09/24/37.  Address:  4823 Prestwick Drive,  Fairfax,
Virginia 22030.
         *DAVID R. ROCHAT,  Senior Vice  President  and Trustee.  Mr.  Rochat is
Executive Vice President of Calvert Asset  Management  Company,  Inc.,  Director
and  Secretary of Grady,  Berwald and Co.,  Inc.,  and Director and President of
Chelsea  Securities,  Inc. DOB:  10/07/37.  Address:  Box 93,  Chelsea,  Vermont
05038.
         *D.  WAYNE  SILBY,  Esq.,   President  and  Trustee.  Mr.  Silby  is  a
trustee/director  of each of the  investment  companies in the Calvert  Group of
Funds,  except for Calvert New World Fund,  Inc.  and Calvert  Variable  Series,
Inc..  Mr.  Silby is  Executive  Chairman of  GroupServe,  an  internet  company
focused on community  building  collaborative  tools,  and an officer,  director
and  shareholder  of Silby,  Guffey &  Company,  Inc.,  which  serves as general
partner of Calvert Social Venture Partners  ("CSVP").  CSVP is a venture capital
firm  investing in socially  responsible  small  companies.  He also serves as a
director of Acacia Mutual Life Insurance Company.  DOB: 7/20/48.  Address:  1715
18th Street, N.W., Washington, D.C. 20009.
         *BARBARA J. KRUMSIEK,  President and Trustee.  Ms.  Krumsiek  serves as
President,  Chief  Executive  Officer and Vice Chairman of Calvert  Group,  Ltd.
and as an officer and  director of each of its  affiliated  companies.  She is a
director of Calvert-Sloan  Advisers,  L.L.C., and a trustee/director  of each of
the investment companies in the Calvert Group of Funds. DOB: 08/09/52.
         RENO J.  MARTINI,  Senior Vice  President.  Mr.  Martini is Senior Vice
President  of  Calvert  Group,   Ltd.,  and  Senior  Vice  President  and  Chief
Investment  Officer of Calvert Asset  Management  Company,  Inc. Mr.  Martini is
also  a  director  and  President  of  Calvert-Sloan  Advisers,  L.L.C.,  and  a
director and officer of Calvert New World Fund. DOB: 01/13/50.
         RONALD M. WOLFSHEIMER,  CPA, Treasurer.  Mr. Wolfsheimer is Senior Vice
President  and  Chief  Financial   Officer  of  Calvert  Group,   Ltd.  and  its
subsidiaries  and an officer of each of the other  investment  companies  in the
Calvert  Group of Funds.  Mr.  Wolfsheimer  is Vice  President  and Treasurer of
Calvert-Sloan  Advisers,  L.L.C., and a director of Calvert  Distributors,  Inc.
DOB: 7/24/52.
         WILLIAM M.  TARTIKOFF,  Esq.,  Vice President and Assistant  Secretary.
Mr.  Tartikoff is an officer of each of the investment  companies in the Calvert
Group of Funds,  and is Senior Vice  President,  Secretary,  and General Counsel
of Calvert Group,  Ltd.,  and each of its  subsidiaries.  Mr.  Tartikoff is also
Vice President and Secretary of  Calvert-Sloan  Advisers,  L.L.C., a director of
Calvert  Distributors,   Inc.,  and  is  an  officer  of  Acacia  National  Life
Insurance Company. DOB: 8/12/47.
         DANIEL  K.  HAYES,  Vice  President.  Mr.  Hayes is Vice  President  of
Calvert Asset Management  Company,  Inc., and is an officer of each of the other
investment  companies  in the  Calvert  Group of Funds,  except for  Calvert New
World Fund, Inc. DOB: 9/9/50.
         SUSAN  WALKER  BENDER,  Esq.,   Assistant  Secretary.   Ms.  Bender  is
Associate  General  Counsel  of  Calvert  Group,  and an  officer of each of its
subsidiaries and Calvert-Sloan  Advisers,  L.L.C. She is also an officer of each
of the other investment companies in the Calvert Group of Funds. DOB: 1/29/59.
         KATHERINE STONER, Esq.,  Assistant  Secretary.  Ms. Stoner is Associate
General  Counsel  of Calvert  Group and an  officer of each of its  subsidiaries
and Calvert-Sloan  Advisers,  L.L.C. She is also an officer of each of the other
investment companies in the Calvert Group of Funds. DOB: 10/21/56.
         LISA CROSSLEY,  Esq.,  Assistant Secretary and Compliance Officer.  Ms.
Crossley is Associate  General  Counsel of Calvert  Group and an officer of each
of its subsidiaries and  Calvert-Sloan  Advisers,  L.L.C. She is also an officer
of each of the other  investment  companies in the Calvert Group of Funds.  DOB:
12/31/61.
         IVY WAFFORD  DUKE,  Esq.,  Assistant  Secretary.  Ms. Duke is Assistant
Counsel  of  Calvert  Group  and an  officer  of  each of its  subsidiaries  and
Calvert-Sloan  Advisers,  L.L.C.  She is also an  officer  of each of the  other
investment  companies in the Calvert  Group of Funds and  Secretary and provides
counsel  to the  Calvert  Social  Investment  Foundation.  Prior to  working  at
Calvert Group,  Ms. Duke was an Associate in the Investment  Management Group of
the Business and Finance Department at Drinker Biddle & Reath. DOB: 9/7/68.

         The address of directors  and  officers,  unless  otherwise  noted,  is
4550 Montgomery  Avenue,  Suite 1000N,  Bethesda,  Maryland 20814.  Trustees and
officers  of the Fund as a group  own  less  than 1% of the  Fund's  outstanding
shares.  Trustees  marked  with an *,  above,  are  "interested  persons" of the
Fund, under the Investment Company Act of 1940.
         Each of the  above  trustees  and  officers  is a  director/trustee  or
officer of each of the  investment  companies in the Calvert Group of Funds with
the exception of Calvert Social  Investment  Fund, of which only Messrs.  Baird,
Guffey  and Silby and Ms.  Krumsiek  are among the  trustees,  Calvert  Variable
Series,  Inc., of which only Messrs.  Blatz, Diehl and Pugh and Ms. Krumsiek are
among the  directors,  Calvert  World Values Fund,  Inc.,  of which only Messrs.
Guffey and Silby and Ms.  Krumsiek  are among the  directors,  and  Calvert  New
World  Fund,  Inc.,  of which only Ms.  Krumsiek  and Mr.  Martini are among the
directors.
         The Audit Committee of the Board is composed of Messrs.  Baird,  Blatz,
Feldman,  Guffey and Pugh. The Board's  Investment  Policy Committee is composed
of Messrs. Borts, Diehl, Gavian, Rochat and Silby and Ms. Krumsiek.
         During  fiscal  1998,  trustees  of the  Fund not  affiliated  with the
Fund's Advisor were paid $_____.  Trustees of the Fund not  affiliated  with the
Advisor  presently  receive an annual fee of $20,500  for service as a member of
the  Board of  Trustees  of the  Calvert  Group of  Funds,  and a fee of $750 to
$1,500 for each  regular  Board or  Committee  meeting  attended;  such fees are
allocated among the respective Funds on the basis of net assets.
         Trustees of the Fund not  affiliated  with the Fund's Advisor may elect
to defer  receipt of all or a  percentage  of their fees and invest  them in any
fund in the Calvert Family of Funds through the Trustees  Deferred  Compensation
Plan  (shown  as  "Pension  or  Retirement  Benefits  Accrued  as  part  of Fund
Expenses,"  below).  Deferral of the fees is designed to maintain the parties in
the same  position  as if the fees  were  paid on a  current  basis.  Management
believes this will have a negligible  effect on the Fund's assets,  liabilities,
net  assets,  and net  income  per  share,  and  will  ensure  that  there is no
duplication of advisory fees.

<PAGE>



                          Trustee Compensation Table

Fiscal Year  1998       Aggregate           Pension           Total
(unaudited numbers)     Compensation        or                Compensation
                        from                Retirement        from
                        Registrant          Benefits          Registrant
                        for Service         Accrued           and Fund
                        as Trustee          as Part of        Complex
                                            Registrant        paid to
                                            Expenses*         Trustee**
Name of Trustee

 
Richard L. Baird, Jr.   $_____             $0               $_____
Frank H. Blatz, Jr.     $_____             $_____           $_____
Frederick T. Borts      $_____             $0               $_____
Charles E. Diehl        $_____             $_____           $_____
Douglas E. Feldman      $_____             $0               $_____
Peter W. Gavian         $_____             $_____           $_____
John G. Guffey, Jr.     $_____             $0               $_____
M. Charito Kruvant      $_____             $0               $_____
Arthur J. Pugh          $_____             $_____           $_____ 
D. Wayne Silby          $_____             $0               $_____
                                                            
*Messrs. Blatz, Diehl, Gavian and Pugh have chosen to defer a portion of
their compensation. As of September 30, 1998, total deferred compensation,
including dividends and capital appreciation, was $________, $______,
$______, and $______, for each trustee, respectively.
**As of December 31, 1998, the Fund Complex consists of nine (9) registered
investment companies.

               
                               INVESTMENT ADVISOR

         The  Calvert  Fund's  Investment  Advisor is Calvert  Asset  Management
Company,  Inc., 4550 Montgomery Avenue,  Bethesda,  Maryland 20814, a subsidiary
of Calvert  Group,  Ltd.,  which is a subsidiary of Acacia Mutual Life Insurance
Company of Washington,  D.C.  ("Acacia  Mutual").  Effective on or about January
1, 1999, Acacia Mutual will merge with and become a subsidiary of Ameritas  
Acacia Mutual Holding Company.
         The  Advisory  Contract  between The Calvert  Fund and the Advisor will
remain  in effect  until  January  3,  2000,  and from year to year  thereafter,
provided  continuance  is approved at least annually by vote of the holders of a
majority  of the  outstanding  shares of the Fund or by the Board of Trustees of
the Fund; and further provided that such  continuance is also approved  annually
by the vote of a majority  of the  trustees  of the Fund who are not  parties to
the  Contract or  interested  persons of parties to the  Contract or  interested
persons of such parties,  cast in person at a meeting  called for the purpose of
voting on such  approval.  The Contract  may be  terminated  without  penalty by
either party upon 60 days' prior written  notice;  it  automatically  terminates
in the event of its assignment.
         Under the  Contract,  the  Advisor  provides  investment  advice to The
Calvert Fund and oversees the  day-to-day  operations,  subject to direction and
control  by the  Fund's  Board  of  Trustees.  For  its  services,  the  Advisor
receives  an annual  fee of 0.35% of the  average  daily net  assets of  Calvert
Income Fund.
         The Advisor  provides  the Fund with  investment  advice and  research,
office space,  administrative services,  furnishes executive and other personnel
to the Fund,  pays the salaries and fees of all trustees who are affiliated
persons of the Advisor, and pays all Fund advertising and promotional  expenses.
The Advisor reserves the right to compensate  broker-dealers in consideration of
their  promotional  or The Fund pays all  other  operating  expenses,  including
custodial and transfer agency fees,  federal and state  securities  registration
fees, legal and audit fees, and brokerage commissions and other costs associated
with the purchase and sale of portfolio securities.
         For the  fiscal  years  ended  September  30,  1996,  1997,  and  1998,
Calvert  Income  Fund  paid  advisory  fees  of $311,154,  $290,440,  and
$________ respectively, to CASC in administrative fees.  For those Funds with
multiple classes, investment advisory fees are allocated as a Portfolio-level
expense based on net assets.
         Calvert  Administrative  Services Company ("CASC"), an affiliate of the
Advisor,  has  been  retained  by the  Fund to  provide  certain  administrative
services  necessary to the conduct of its affairs,  including the preparation of
regulatory filings and shareholder  reports,  the daily determination of its net
asset value per share and  dividends,  and the  maintenance of its portfolio and
general  accounting  records.  Effective  [DATE],  for providing  such services,
CASC receives an annual  administrative  service fee payable  monthly (as a % of
net assets) as follows:

                  Class A, B, and C         Class I
                  0.35%                     0.15%

                             METHOD OF DISTRIBUTION

         Calvert Distributors, Inc. ("CDI") is the principal underwriter and
distributor for the Fund. Under the terms of its underwriting agreement with
the Fund, CDI markets and distributes the Fund's shares and is responsible for
preparing advertising and sales literature, and printing and mailing
prospectuses to prospective investors.
         Pursuant to Rule 12b-1 under the  Investment  Company Act of 1940,  The
Fund has  adopted a  Distribution  Plan  which  permits it to pay  certain  fees
associated  with the  distribution of its shares.  Such fees may not exceed,  on
an annual basis, 0.50% of the average daily net assets of the Fund.
         The Fund has entered into an agreement with Calvert Distributors,
Inc. ("CDI") whereby CDI, acting as principal underwriter for the Fund, makes
a continuous offering of the Fund's securities on a "best efforts" basis.
Under the terms of the agreement, CDI is entitled to receive a distribution
fee from Calvert Income Fund of 0.25% of the Fund's average daily net assets.
Class A Distribution Plans reimburse CDI only for expenses it incurs, while the
Class B and C Distribution Plans compensate CDI at a rate regardless of CDI's
expenses.
         The Fund's Distribution Plan was approved by the Board of Trustees,
including the Trustees who are not "interested persons" of the Fund (as that
term is defined in the Investment Company Act of 1940) and who have no direct
or indirect financial interest in the operation of the Plans or in any
agreements related to the Plans. The selection and nomination of the Trustees
who are not interested persons of the Fund is committed to the discretion of
such disinterested Trustees. In establishing the Plans, the Trustees
considered various factors including the amount of the distribution expenses.
The Trustees determined that there is a reasonable likelihood that the Plans
will benefit the Fund and its shareholders.
         The Plans may be terminated by vote of a majority of the
non-interested Trustees who have no direct or indirect financial interest in
the Plans, or by vote of a majority of the outstanding shares of the affected
class or Portfolio of the Fund. If the Fund should ever switch to a new
principal underwriter without terminating the Class B Plan, the fee would be
prorated between CDI and the new principal underwriter. Any change in the
Plans that would materially increase the distribution cost to a Portfolio
requires approval of the shareholders of the affected class; otherwise, the
Plans may be amended by the Trustees, including a majority of the
non-interested Trustees as described above. The Plans will continue in effect
for successive one-year terms provided that such continuance is specifically
approved by (i) the vote of a majority of the Trustees who are not parties to
the Plans or interested persons of any such party and who have no direct or
indirect financial interest in the Plans, and (ii) the vote of a majority of
the entire Board of Trustees.
         Apart from the Plans, the Advisor and CDI, at their own expense, may
incur costs and pay expenses associated with the distribution of shares of the
Fund.
         CDI makes a continuous offering of the Fund's securities on a "best
efforts" basis. Under the terms of the agreement, CDI is entitled to receive,
pursuant to the Distribution Plans, a distribution fee and a service fee from
the Fund based on the average daily net assets of the Fund's respective
Classes. These fees are paid pursuant to the Fund's Distribution Plan. For the
fiscal year ended September 30, 1998, $_______ in Distribution Plan Expenses
(includes both distribution fees and services fees) were paid by the Fund (all
classes) to CDI.
         Of the distribution expenses paid by Class A Shares in fiscal year
1998, $________ was used to compensate dealers for their share distribution
promotional services, $________ was used for the printing and mailing of
prospectuses and sales materials to investors (other than current
shareholders), and the remainder partially financed advertising.

                          Dealer Reallowance (Class A)

Shares are offered at net asset value plus a front-end sales charge as follows:

                                    As a % of    As a % of    Allowed to
Amount of                           offering     net amount   Brokers as a % of
Investment                          price        invested     offering price
Less than $50,000                   3.75%        3.90%        3.00%
$50,000 but less than $100,000      3.00%        3.09%        2.25%
$100,000 but less than $250,000     2.25%        2.30%        1.75%
$250,000 but less than $500,000     1.75%        1.78%        1.25%
$500,000 but less than $1,000,000   1.00%        1.01%        0.80%
$1,000,000 and over                 0.00%        0.00%        0.00%


         CDI  receives  any  front-end  sales  charge or CDSC paid. A portion of
the front-end  sales charge may be reallowed to dealers.  The  aggregate  amount
of sales charges  (gross  underwriting  commissions)  and for Class A only,  the
amount  retained by CDI (i.e.,  not  reallowed to dealers) for the last 3 fiscal
years are:

              Class A
              Gross/Net           Class B           Class C          Class I  
Fiscal Year   96     97     98   96  97   98        96  97 98      96 97 98

           $15,770, $11,470 $___  N/A N/A N/A       N/A N/A N/A   N/A N/A $___

         Fund  Trustees  and certain  other  affiliated  persons of the Fund are
exempt  from the sales  charge  since the  distribution  costs  are  minimal  to
persons already  familiar with the Fund.  Other groups (i.e.,  group  retirement
plans) are exempt due to  economies of scale in  distribution.  See Exhibit A to
the Prospectus.

                   TRANSFER AND SHAREHOLDER SERVICING AGENTS

         National  Financial  Data  Services,  Inc.  ("NFDS"),  a subsidiary  of
State  Street  Bank & Trust,  has been  retained  by the Fund to act as transfer
agent  and  dividend   disbursing   agent.   These   responsibilities   include:
responding  to certain  shareholder  inquiries and  instructions,  crediting and
debiting  shareholder  accounts for purchases and redemptions of Fund shares and
confirming  such  transactions,  and daily updating of  shareholder  accounts to
reflect declaration and payment of dividends.
         Calvert  Shareholder  Services,  Inc., a subsidiary  of Calvert  Group,
Ltd.,  and Acacia  Mutual,  has been retained by the Fund to act as  shareholder
servicing agent.  Shareholder servicing  responsibilities  include responding to
shareholder inquiries and instructions  concerning their accounts,  entering any
telephoned  purchases  or  redemptions  into the  NFDS  system,  maintenance  of
broker-dealer  data, and preparing and  distributing  statements to shareholders
regarding  their  accounts.  Calvert  Shareholder  Services,  Inc.  was the sole
transfer agent prior to January 1, 1998.
         For  these  services,  NFDS  and  Calvert  Shareholder  Services,  Inc.
receive a fee based on the number of shareholder accounts and transactions.

                             PORTFOLIO TRANSACTIONS

         Portfolio   transactions   are   undertaken   on  the  basis  of  their
desirability   from  an  investment   standpoint.   The  Fund's   Advisor  makes
investment  decisions  and the choice of brokers and dealers under the direction
and supervision of the Fund's Board of Trustees.
         Broker-dealers who execute portfolio transactions on behalf of the
Fund are selected on the basis of their execution capability and trading
expertise considering, among other factors, the overall reasonableness of the
brokerage commissions, current market conditions, size and timing of the
order, difficulty of execution, per share price, etc.
         During the fiscal year ended September 30, 1997, no brokerage
commissions were paid by Calvert Income Fund to any broker-dealer, officers or
trustees of The Calvert Fund or any of their affiliates. During the fiscal
year 1996, $1,000 in aggregate brokerage commissions were paid to a
broker-dealer. [During fiscal year 1998...]
         For the years ended September 30, 1997 and 1998, the portfolio
turnover rates of the Fund were 961% and ___%, respectively.  This increase was
due to the implementation of the Advisor's more active trading strategy.

                     INDEPENDENT ACCOUNTANTS AND CUSTODIANS

         PricewaterhouseCoopers,  L.L.P.,  has  been  selected  by the  Board of
Trustees  to serve as  independent  accountants  for  fiscal  year  1999.  State
Street Bank & Trust  Company,  N.A.,  225  Franklin  Street,  Boston,  MA 02110,
currently  serves as custodian of the Fund's  investments.  First  National Bank
of Maryland, 25 South Charles Street,  Baltimore,  Maryland 21203 also serves as
custodian of certain of the Fund's cash  assets.  The  custodian  has no part in
deciding the Fund's  investment  policies or the choice of  securities  that are
to be purchased or sold for the Fund.

              CONTROL PERSONS AND PRINCIPAL HOLDERS OF SECURITIES

         As of [DATE],  the following  shareholder owned of record 5% or more of
the Fund:

         Name and Address                   % of Ownership

         [TO BE PROVIDED]

                              GENERAL INFORMATION

     The Calvert Fund (the "Trust"),  an open-end registered investment company,
was organized as a  Massachusetts  business trust on March 15, 1982. The Calvert
Fund's  Declaration  of Trust  contains  an express  disclaimer  of  shareholder
liability  for  acts  or  obligations  of  the  Trust.  The  shareholders  of  a
Massachusetts  business trust might, however,  under certain  circumstances,  be
held personally liable as partners for its obligations. The Declaration of Trust
provides for  indemnification  and  reimbursement of expenses out of the Trust's
assets for any shareholder held personally  liable for obligations of the Trust.
The Declaration of Trust provides that the Trust shall, upon request, assume the
defense of any claim made against any  shareholder  for any act or obligation of
the Trust and satisfy any judgment  thereon.  The  Declaration  of Trust further
provides  that the  Trust  may  maintain  appropriate  insurance  (for  example,
fidelity  bonding and errors and omissions  insurance) for the protection of the
Trust,  its  shareholders,  trustees,  officers,  employees  and agents to cover
possible tort and other liabilities.  Thus, the risk of a shareholder  incurring
financial loss on account of shareholder  liability is limited to  circumstances
in which both inadequate insurance exists and the Trust itself is unable to meet
its  obligations.  Each share of each series  represents an equal  proportionate
interest in that series with each other share and is entitled to such  dividends
and  distributions out of the income belonging to such series as declared by the
Board. The Fund offers four separate classes of shares:  Class A, Class B, Class
C and  Class  I.  Each  class  represents  interests  in the same  portfolio  of
investments but, as further  described in the prospectus,  each class is subject
to  differing  sales  charges and  expenses,  which  differences  will result in
differing net asset values and distributions.  Upon any liquidation of the Fund,
shareholders  of each  class are  entitled  to share pro rata in the net  assets
belonging to that series available for distribution. The Fund is not required to
hold annual shareholder meetings, but special meetings may be called for certain
purposes such as electing Trustees,  changing fundamental policies, or approving
a management contract. As a shareholder, you receive one vote for each share you
own, except that matters  affecting  classes  differently,  such as Distribution
Plans, will be voted on separately by the affected class(es).

                                    APPENDIX

Corporate Bond Ratings:
Description of Moody's Investors Service Inc.'s/Standard & Poor's bond ratings:
         Aaa/AAA:  Best  quality.  These  bonds  carry  the  smallest  degree of
investment  risk  and  are  generally  referred  to  as  "gilt  edge."  Interest
payments  are  protected  by a large or by an  exceptionally  stable  margin and
principal is secure.  This rating  indicates an extremely strong capacity to pay
principal and interest.
         Aa/AA:  Bonds rated AA also qualify as high-quality  debt  obligations.
Capacity to pay  principal  and interest is very strong,  and in the majority of
instances  they  differ  from AAA issues  only in small  degree.  They are rated
lower than the best bonds because  margins of protection  may not be as large as
in  Aaa  securities,  fluctuation  of  protective  elements  may  be of  greater
amplitude,  or there may be other elements  present which make  long-term  risks
appear somewhat larger than in Aaa securities.
         A/A:  Upper-medium  grade  obligations.   Factors  giving  security  to
principal  and interest  are  considered  adequate,  but elements may be present
which  make the  bond  somewhat  more  susceptible  to the  adverse  effects  of
circumstances and economic conditions.
         Baa/BBB:  Medium grade obligations;  adequate capacity to pay principal
and interest.  Whereas they normally  exhibit  adequate  protection  parameters,
adverse economic  conditions or changing  circumstances  are more likely to lead
to a  weakened  capacity  to pay  principal  and  interest  for  bonds  in  this
category than for bonds in higher rated categories.
         Ba/BB,  B/B,  Caa/CCC,   Ca/CC:  Debt  rated  in  these  categories  is
regarded as  predominantly  speculative with respect to capacity to pay interest
and  repay  principal.  The  higher  the  degree of  speculation,  the lower the
rating.   While  such  debt  will  likely  have  some  quality  and   protective
characteristics,  these are  outweighed  by large  uncertainties  or major  risk
exposure to adverse conditions.
         C/C:  This  rating is only for  income  bonds on which no  interest  is
being paid.
         D:  Debt  in  default;  payment  of  interest  and/or  principal  is in
arrears.

Commercial Paper Ratings:
         MOODY'S INVESTORS SERVICE, INC.:
         The Prime rating is the highest  commercial  paper  rating  assigned by
Moody's.  Among the factors  considered by Moody's in assigning  ratings are the
following:  (1)  evaluation  of the  management  of  the  issuer;  (2)  economic
evaluation  of  the  issuer's   industry  or  industries  and  an  appraisal  of
speculative-type  risks which may be inherent in certain  areas;  (3) evaluation
of the issuer's  products in relation to  competition  and customer  acceptance;
(4) liquidity;  (5) amount and quality of long-term  debt; (6) trend of earnings
over a period of ten years;  (7) financial  strength of a parent company and the
relationships  which exist with the issuer;  and (8)  recognition  by management
of  obligations  which  may be  present  or may  arise  as a  result  of  public
interest  questions and  preparations to meet such  obligations.  Issuers within
this Prime  category may be given ratings 1, 2, or 3,  depending on the relative
strengths of these factors.

         STANDARD & POOR'S CORPORATION:
         Commercial  paper  rated A by  Standard  &  Poor's  has  the  following
characteristics:  (i) liquidity  ratios are adequate to meet cash  requirements;
(ii)  long-term  senior  debt  rating  should be A or better,  although  in some
cases BBB credits may be allowed if other  factors  outweigh the BBB;  (iii) the
issuer  should have  access to at least two  additional  channels of  borrowing;
(iv) basic  earnings and cash flow should have an upward  trend with  allowances
made for unusual  circumstances;  and (v) typically the issuer's industry should
be well  established  and the issuer  should have a strong  position  within its
industry and the reliability and quality of management  should be  unquestioned.
Issuers  rated A are further  referred to by use of numbers 1, 2 and 3 to denote
the relative strength within this highest classification.

                                LETTER OF INTENT

                                                                                
Date

Calvert Distributors, Inc.
4550 Montgomery Avenue
Bethesda, MD 20814

Ladies and Gentlemen:

         By signing this Letter of Intent, or affirmatively marking the Letter
of Intent option on my Fund Account Application Form, I agree to be bound by
the terms and conditions applicable to Letters of Intent appearing in the
Prospectus and the Statement of Additional Information for the Fund and the
provisions described below as they may be amended from time to time by the
Fund. Such amendments will apply automatically to existing Letters of Intent.

         I intend to invest in the shares of:_____________________ (Fund or
Portfolio name) during the thirteen (13) month period from the date of my
first purchase pursuant to this Letter (which cannot be more than ninety (90)
days prior to the date of this Letter or my Fund Account Application Form,
whichever is applicable), an aggregate amount (excluding any reinvestments of
distributions) of at least fifty thousand dollars ($50,000) which, together
with my current holdings of the Fund (at public offering price on date of this
Letter or my Fund Account Application Form, whichever is applicable), will
equal or exceed the amount checked below:

         __ $50,000 __ $100,000 __ $250,000 __ $500,000 __ $1,000,000

         Subject to the conditions specified below, including the terms of
escrow, to which I hereby agree, each purchase occurring after the date of
this Letter will be made at the public offering price applicable to a single
transaction of the dollar amount specified above, as described in the Fund's
prospectus. "Fund" in this Letter of Intent shall refer to the Fund or
Portfolio, as the case may be. No portion of the sales charge imposed on
purchases made prior to the date of this Letter will be refunded.

         I am making no commitment to purchase shares, but if my purchases
within thirteen months from the date of my first purchase do not aggregate the
minimum amount specified above, I will pay the increased amount of sales
charges prescribed in the terms of escrow described below. I understand that
4.75% of the minimum dollar amount specified above will be held in escrow in
the form of shares (computed to the nearest full share). These shares will be
held subject to the terms of escrow described below.

         From the initial purchase (or subsequent purchases if necessary),
4.75% of the dollar amount specified in this Letter shall be held in escrow in
shares of the Fund by the Fund's transfer agent. For example, if the minimum
amount specified under the Letter is $50,000, the escrow shall be shares
valued in the amount of $2,375 (computed at the public offering price adjusted
for a $50,000 purchase). All dividends and any capital gains distribution on
the escrowed shares will be credited to my account.

         If the total minimum investment specified under the Letter is
completed within a thirteen month period, escrowed shares will be promptly
released to me. However, shares disposed of prior to completion of the
purchase requirement under the Letter will be deducted from the amount
required to complete the investment commitment.

         Upon expiration of this Letter, the total purchases pursuant to the
Letter are less than the amount specified in the Letter as the intended
aggregate purchases, Calvert Distributors, Inc. ("CDI") will bill me for an
amount equal to the difference between the lower load I paid and the dollar
amount of sales charges which I would have paid if the total amount purchased
had been made at a single time. If not paid by the investor within 20 days,
CDI will debit the difference from my account. Full shares, if any, remaining
in escrow after the aforementioned adjustment will be released and, upon
request, remitted to me.

         I irrevocably constitute and appoint CDI as my attorney-in-fact, with
full power of substitution, to surrender for redemption any or all escrowed
shares on the books of the Fund. This power of attorney is coupled with an
interest.

         The commission allowed by CDI to the broker-dealer named herein shall
be at the rate applicable to the minimum amount of my specified intended
purchases.

         The Letter may be revised upward by me at any time during the
thirteen-month period, and such a revision will be treated as a new Letter,
except that the thirteen-month period during which the purchase must be made
will remain unchanged and there will be no retroactive reduction of the sales
charges paid on prior purchases.

         In determining the total amount of purchases made hereunder, shares
disposed of prior to termination of this Letter will be deducted. My
broker-dealer shall refer to this Letter of Intent in placing any future
purchase orders for me while this Letter is in effect.


                                                         
Dealer                           Name of
Investor(s)


By                                                                              
Authorized Signer                Address

                                                            
Date                             Signature of Investor(s)


                                                            
Date                            Signature of Investor(s)


INVESTMENT ADVISOR
Calvert Asset Management Company, Inc.
4550 Montgomery Avenue
Suite 1000N
Bethesda, Maryland 20814

SHAREHOLDER SERVICE                      TRANSFER AGENT
Calvert Shareholder Services, Inc.       National Financial Data Services, Inc.
4550 Montgomery Avenue                   1004 Baltimore
Suite 1000N                              6th Floor
Bethesda, Maryland 20814                 Kansas City, Missouri 64105

PRINCIPAL UNDERWRITER                    INDEPENDENT ACCOUNTANTS
Calvert Distributors, Inc.               PricewaterhouseCoopers, L.L.P.
4550 Montgomery Avenue                   250 West Pratt Street
Suite 1000N                              Baltimore, Maryland 21201
Bethesda, Maryland 20814


PART C. OTHER INFORMATION


Item 23. Exhibits

         1. Declaration of Trust (incorporated by reference to Registrant's
Initial
         Registration Statement, March 15, 1982).

         2. By-Laws (incorporated by reference to Registrant's Pre-Effective
         Amendment No. 2, September 3, 1982).

         4. Specimen Stock Certificate for all series of The Calvert Fund
         (incorporated by reference to Registrant's Post-Effective Amendment
         No. 28, July 19, 1995).

         5.a. Advisory Contract (incorporated by reference to Registrant's
         Post-Effective Amendment No. 3, November 1, 1984).

         6. Underwriting and Dealer Agreement, (incorporated by reference to
         Registrant's Post-Effective Amendment No. 34, March 31, 1998).

         7. Trustees' Deferred Compensation Agreement (incorporated by
         reference to Registrant's Post-Effective Amendment No. 20, January
         28, 1992).

         8. Custodial Contract (incorporated by reference to Registrant's Post-
         Effective Amendment No. 21, January 29, 1993).

         9. Transfer Agency Contract, (incorporated by reference to
         Registrant's Post-Effective Amendment No. 34, March 31, 1998).

         15. Rule 12b-1 Distribution Plan with respect to Registrant's Class B
         and C shares, incorporated by reference to Registrant's Post-Effective
         Amendment No. 34, March 31, 1998. With respect to Class A shares,
         incorporated by reference to Registrant's Post-Effective Amendment
         No. 28, July 19, 1995, for all series of The Calvert Fund.

         18. Multiple-class Plan under the Investment Company Act of 1940
         Rule 18f-3, (incorporated by reference to Registrant's Post-Effective
         Amendment No. 34, March 31, 1998).

Item 24. Persons Controlled By or Under Common Control With Registrant

         Not applicable.

Item 26. Indemnification

         Registrant's Declaration of Trust, which Declaration is Exhibit
1 of this Registration Statement, provides, in summary, that officers,
trustees, employees, and agents shall be indemnified by Registrant
against liabilities and expenses incurred by such persons in connection
with actions, suits, or proceedings arising out of their offices or
duties of employment, except that no indemnification can be made to such
a person if he has been adjudged liable of willful misfeasance, bad
faith, gross negligence, or reckless disregard of his duties. In the
absence of such an adjudication, the determination of eligibility for
indemnification shall be made by independent counsel in a written
opinion or by the vote of a majority of a quorum of trustees who are
neither "interested persons" of Registrant, as that term is defined in
Section 2(a)(19) of the Investment Company Act of 1940, nor parties to
the proceeding.

         Registrant's Declaration of Trust also provides that Registrant
may purchase and maintain liability insurance on behalf of any officer,
trustee, employee or agent against any liabilities arising from such
status. In this regard, Registrant maintains a Directors & Officers
(Partners) Liability Insurance Policy with Chubb Group of Insurance
Companies, 15 Mountain View Road, Warren, New Jersey 07061, providing
Registrant with $5 million in directors and officers liability coverage,
plus $3 million in excess directors and officers liability coverage for
the independent trustees/directors only. Registrant also maintains an
$8 million Investment Company Blanket Bond issued by ICI Mutual
Insurance Company, P.O. Box 730, Burlington, Vermont, 05402.

Item 26. Business and Other Connections of Investment Adviser

                           Name of Company, Principal
Name                       Business and Address                   Capacity


Barbara J. Krumsiek        Calvert Variable Series, Inc.          Officer
                           Calvert Municipal Fund, Inc.            and
                           Calvert World Values Fund, Inc.        Director

                           Investment Companies
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ----------------
                           First Variable Rate Fund for           Officer
                            Government Income                      and
                           Calvert Tax-Free Reserves              Trustee
                           Calvert Social Investment Fund
                           Calvert Cash Reserves
                           The Calvert Fund

                           Investment Companies
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ----------------
                           Calvert Asset Management Co., Inc.     Officer
                           Investment Advisor                      and
                           4550 Montgomery Avenue                 Director
                           Bethesda, Maryland 20814
                           ----------------
                           Calvert Group, Ltd.                    Officer
                           Holding Company                         and
                           4550 Montgomery Avenue                 Director
                           Bethesda, Maryland 20814
                           ----------------
                           Calvert Shareholder Services, Inc.     Officer
                           Transfer Agent                          and
                           4550 Montgomery Avenue                 Director
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Administrative Services Co.    Officer
                           Service Company                        and
                           4550 Montgomery Avenue                 Director
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Distributors, Inc.             Officer
                           Broker-Dealer                           and
                           4550 Montgomery Avenue                 Director
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert-Sloan Advisers, LLC            Director
                           Investment Advisor
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert New World Fund, Inc.           Director
                           Investment Company
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           --------------
                           Alliance Capital Mgmt. L.P.      Sr. Vice President
                           Mutual Fund Division                   Director
                           1345 Avenue of the Americas
                           New York, NY 10105
                           --------------


Ronald M. Wolfsheimer      First Variable Rate Fund               Officer
                            for Government Income
                           Calvert Tax-Free Reserves
                           Calvert Cash Reserves
                           Calvert Social Investment Fund
                           The Calvert Fund
                           Calvert Variable Series, Inc.
                           Calvert Municipal Fund, Inc.
                           Calvert World Values Fund, Inc.
                           Calvert New World Fund, Inc.

                           Investment Companies
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           --------------
                           Calvert Asset Management Co., Inc.     Officer
                           Investment Advisor
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Group, Ltd.                    Officer
                           Holding Company
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Shareholder Services, Inc.     Officer
                           Transfer Agent
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Administrative Services Co.    Officer
                           Service Company                         and
                           4550 Montgomery Avenue                 Director
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Distributors, Inc.             Director
                           Broker-Dealer                           and
                           4550 Montgomery Avenue                 Officer
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert-Sloan Advisers, LLC            Officer
                           Investment Advisor
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------


David R. Rochat            First Variable Rate Fund               Officer
                            for Government Income                  and
                           Calvert Tax-Free Reserves              Trustee
                           Calvert Cash Reserves
                           The Calvert Fund

                           Investment Companies
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Municipal Fund, Inc.           Officer
                           Investment Company                      and
                           4550 Montgomery Avenue                 Director
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Asset Management Co., Inc.     Officer
                           Investment Advisor                      and
                           4550 Montgomery Avenue                 Director
                           Bethesda, Maryland 20814
                           ---------------
                           Chelsea Securities, Inc.               Officer
                           Securities Firm                         and
                           Post Office Box 93                     Director
                           Chelsea, Vermont 05038
                           ---------------
                           Grady, Berwald & Co.                   Officer
                           Holding Company                         and
                           43A South Finley Avenue                Director
                           Basking Ridge, NJ 07920
                           ---------------


Reno J. Martini            Calvert Asset Management Co., Inc.     Officer
                           Investment Advisor
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Group, Ltd.                    Officer
                           Holding Company
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           First Variable Rate Fund               Officer
                            for Government Income
                           Calvert Tax-Free Reserves
                           Calvert Cash Reserves
                           Calvert Social Investment Fund
                           The Calvert Fund
                           Calvert Variable Series, Inc.
                           Calvert Municipal Fund, Inc.
                           Calvert World Values Fund, Inc.

                           Investment Companies
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert New World Fund, Inc.           Director
                           Investment Company                      and
                           4550 Montgomery Avenue                 Officer
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert-Sloan Advisers, LLC            Director
                           Investment Advisor                      and
                           4550 Montgomery Avenue                 Officer
                           Bethesda, Maryland 20814
                           ---------------


Charles T. Nason           Acacia Mutual Life Insurance           Officer
                           Acacia National Life Insurance         and Director

                           Insurance Companies
                           7315 Wisconsin Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Acacia Financial Corporation           Officer
                           Holding Company                         and
                           7315 Wisconsin Avenue                  Director
                           Bethesda, Maryland 20814
                           ---------------
                           Gardner Montgomery Company             Director
                           Tax Return Preparation Services
                           7315 Wisconsin Avenue
                           Bethesda, Maryland 20814
                           ----------------
                           Acacia Federal Savings Bank            Director
                           Savings Bank
                           7600-B Leesburg Pike
                           Falls Church, Virginia 22043
                           ---------------
                           Enterprise Resources, Inc.             Director
                           Business Support Services
                           7315 Wisconsin Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Acacia Insurance Management            Officer
                            Services Corporation                   and
                           Service Corporation                    Director
                           7315 Wisconsin Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Group, Ltd.                    Director
                           Holding Company
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Administrative Services Co.    Director
                           Service Company
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Asset Management Co., Inc.     Director
                           Investment Advisor
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Shareholder Services, Inc.     Director
                           Transfer Agent
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Social Investment Fund         Trustee
                           Investment Company
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           -----------------
                           The Advisors Group, Inc.               Director
                           Broker-Dealer and
                           Investment Advisor
                           7315 Wisconsin Avenue
                           Bethesda, Maryland 20814
                           ---------------


Robert-John H.             Acacia National Life Insurance         Officer
 Sands                     Insurance Company                       and
                           7315 Wisconsin Avenue                  Director
                           Bethesda, Maryland 20814
                           ----------------
                           Acacia Mutual Life Insurance           Officer
                           Insurance Company
                           7315 Wisconsin Avenue
                           Bethesda, Maryland 20814
                           ----------------
                           Acacia Financial Corporation           Officer
                           Holding Company                         and
                           7315 Wisconsin Avenue                  Director
                           Bethesda, Maryland 20814
                           ----------------
                           Acacia Federal Savings Bank            Officer
                           Savings Bank
                           7600-B Leesburg Pike
                           Falls Church, Virginia 22043
                           ---------------
                           Enterprise Resources, Inc.             Director
                           Business Support Services
                           7315 Wisconsin Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Acacia Realty Corporation              Officer
                           Real Estate Investments
                           7315 Wisconsin Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Acacia Insurance Management            Officer
                            Services Corporation                   and
                           Service Corporation                    Director
                           7315 Wisconsin Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Gardner Montgomery Company             Officer
                           Tax Return                             and
                            Preparation Services                  Director
                           7315 Wisconsin Avenue
                           Bethesda, Maryland 20814
                           ----------------
                           The Advisors Group, Inc.               Director
                           Broker-Dealer and
                           Investment Advisor
                           7315 Wisconsin Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Group, Ltd.                    Director
                           Holding Company
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Administrative Services Co.    Director
                           Service Company
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Asset Management, Co., Inc.    Director
                           Investment Advisor
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Shareholder Services, Inc.     Director
                           Transfer Agent
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------


William M. Tartikoff       Acacia National Life Insurance         Officer
                           Insurance Company
                           7315 Wisconsin Avenue
                           Bethesda, Maryland 20814
                           ----------------
                           First Variable Rate Fund for           Officer
                            Government Income
                           Calvert Tax-Free Reserves
                           Calvert Cash Reserves
                           Calvert Social Investment Fund
                           The Calvert Fund
                           Calvert Variable Series, Inc.
                           Calvert Municipal Fund, Inc.
                           Calvert World Values Fund, Inc.
                           Calvert New World Fund, Inc.

                           Investment Companies
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Group, Ltd.                    Officer
                           Holding Company
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Administrative                 Officer
                           Services Company
                           Service Company
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Asset Management Co. Inc.      Officer
                           Investment Advisor
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ----------------
                           Calvert Shareholder Services, Inc.     Officer
                           Transfer Agent
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ----------------
                           Calvert Distributors, Inc.             Director
                           Broker-Dealer                           and
                           4550 Montgomery Avenue                 Officer
                           Bethesda, Maryland 20814
                           ----------------
                           Calvert-Sloan Advisers, LLC            Officer
                           Investment Advisor
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ----------------


Susan Walker Bender        Calvert Group, Ltd.                    Officer
                           Holding Company
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Administrative Services Co.    Officer
                           Service Company
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Asset Management Co., Inc.     Officer
                           Investment Advisor
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ----------------
                           Calvert Shareholder Services, Inc.     Officer
                           Transfer Agent
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ----------------
                           Calvert Distributors, Inc.             Officer
                           Broker-Dealer
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ----------------
                           Calvert-Sloan Advisers, LLC            Officer
                           Investment Advisor
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ----------------
                           First Variable Rate Fund for           Officer
                            Government Income
                           Calvert Tax-Free Reserves
                           Calvert Cash Reserves
                           Calvert Social Investment Fund
                           The Calvert Fund
                           Calvert Variable Series, Inc.
                           Calvert Municipal Fund, Inc.
                           Calvert World Values Fund, Inc.
                           Calvert New World Fund, Inc.

                           Investment Companies
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------


Katherine Stoner           Calvert Group, Ltd.                    Officer
                           Holding Company
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Administrative Services Co.    Officer
                           Service Company
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Asset Management Co., Inc.     Officer
                           Investment Advisor
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ----------------
                           Calvert Shareholder Services, Inc.     Officer
                           Transfer Agent
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ----------------
                           Calvert Distributors, Inc.             Officer
                           Broker-Dealer
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ----------------
                           Calvert-Sloan Advisers, LLC            Officer
                           Investment Advisor
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ----------------
                           First Variable Rate Fund for           Officer
                            Government Income
                           Calvert Tax-Free Reserves
                           Calvert Cash Reserves
                           Calvert Social Investment Fund
                           The Calvert Fund
                           Calvert Variable Series, Inc.
                           Calvert Municipal Fund, Inc.
                           Calvert World Values Fund, Inc.
                           Calvert New World Fund, Inc.

                           Investment Companies
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------


Lisa Crossley Newton       Calvert Group, Ltd.                    Officer
                           Holding Company
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Administrative Services Co.    Officer
                           Service Company
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Asset Management Co., Inc.     Officer
                           Investment Advisor
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ----------------
                           Calvert Shareholder Services, Inc.     Officer
                           Transfer Agent
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ----------------
                           Calvert Distributors, Inc.             Officer
                           Broker-Dealer
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ----------------
                           Calvert-Sloan Advisers, LLC            Officer
                           Investment Advisor
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ----------------
                           First Variable Rate Fund for           Officer
                            Government Income
                           Calvert Tax-Free Reserves
                           Calvert Cash Reserves
                           Calvert Social Investment Fund
                           The Calvert Fund
                           Calvert Variable Series, Inc.
                           Calvert Municipal Fund, Inc.
                           Calvert World Values Fund, Inc.
                           Calvert New World Fund, Inc.

                           Investment Companies
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------


Ivy Wafford Duke           Calvert Group, Ltd.                    Officer
                           Holding Company
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Administrative Services Co.    Officer
                           Service Company
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------
                           Calvert Asset Management Co., Inc.     Officer
                           Investment Advisor
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ----------------
                           Calvert Shareholder Services, Inc.     Officer
                           Transfer Agent
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ----------------
                           Calvert Distributors, Inc.             Officer
                           Broker-Dealer
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ----------------
                           Calvert-Sloan Advisers, LLC            Officer
                           Investment Advisor
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ----------------
                           First Variable Rate Fund for           Officer
                            Government Income
                           Calvert Tax-Free Reserves
                           Calvert Cash Reserves
                           Calvert Social Investment Fund
                           The Calvert Fund
                           Calvert Variable Series, Inc.
                           Calvert Municipal Fund, Inc.
                           Calvert World Values Fund, Inc.
                           Calvert New World Fund, Inc.

                           Investment Companies
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ---------------


Daniel K. Hayes            Calvert Asset Management Co., Inc.     Officer
                           Investment Advisor
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ------------------
                           First Variable Rate Fund for           Officer
                            Government Income
                           Calvert Tax-Free Reserves
                           Calvert Cash Reserves
                           Calvert Social Investment Fund
                           The Calvert Fund
                           Calvert Variable Series, Inc.
                           Calvert Municipal Fund, Inc.
                           Calvert World Values Fund, Inc.

                           Investment Companies
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ------------------


Steve Van Order            Calvert Asset Management               Officer
                           Company, Inc.
                           Investment Advisor
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ------------------


Annette Krakovitz          Calvert Asset Management               Officer
                           Company, Inc.
                           Investment Advisor
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ------------------


John Nichols               Calvert Asset Management               Officer
                           Company, Inc.
                           Investment Advisor
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ------------------


David Leach                Calvert Asset Management               Officer
                           Company, Inc.
                           Investment Advisor
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ------------------


Matthew D. Gelfand         Calvert Asset Management               Officer
                           Company, Inc.
                           Investment Advisor
                           4550 Montgomery Avenue
                           Bethesda, Maryland 20814
                           ------------------
                           Strategic Investment Management        Officer
                           Investment Advisor
                           1001 19th Street North
                           Arlington, Virginia 20009
                           ------------------


Item 27. Principal Underwriters

         (a)      Registrant's principal underwriter also underwrites
shares of First Variable Rate Fund for Government Income, Calvert
Tax-Free Reserves, Calvert Social Investment Fund, Calvert Cash Reserves,
Calvert Municipal Fund, Inc., Calvert World Values Fund, Inc.,
Calvert New World Fund, Inc., and Calvert Variable Series, Inc.

         (b)      Positions of Underwriter's Officers and Directors

Name and Principal         Position(s) with               Position(s) with
Business Address           Underwriter                    Registrant

Barbara J. Krumsiek        Director and President         President and Trustee

Ronald M. Wolfsheimer      Director, Senior Vice          Treasurer
                           President and Chief Financial Officer

William M. Tartikoff       Director, Senior Vice          Vice President and
                           President and Secretary        Secretary

Craig Cloyed               Senior Vice President          None

Karen Becker               Vice President, Operations     None

Steve Cohen                Vice President                 None

Geoffrey Ashton            Regional Vice President        None

Martin Brown               Regional Vice President        None

Janet Haley                Regional Vice President        None

Ben Ogbogu                 Regional Vice President        None

Tom Stanton                Regional Vice President        None

Christine Teske            Regional Vice President        None

Bill Hairgrove             Regional Vice President        None

Steve Himber               Regional Vice President        None

Susan Walker Bender        Assistant Secretary            Assistant Secretary

Katherine Stoner           Assistant Secretary            Assistant Secretary

Lisa Crossley Newton       Assistant Secretary            Assistant Secretary
                           and Compliance Officer

Ivy Wafford Duke           Assistant Secretary            Assistant Secretary

         (c)      Inapplicable.


Item 28. Location of Accounts and Records

         Ronald M. Wolfsheimer, Treasurer
         and
         William M. Tartikoff, Assistant Secretary
 
         4550 Montgomery Avenue, Suite 1000N
         Bethesda, Maryland 20814


Item 29. Management Services

         Not Applicable


Item 32. Undertakings

         a)       Not Applicable

         b)       Not Applicable

         (c)      The Registrant undertakes to furnish to each person to
                  whom a Prospectus is delivered, a copy of the
                  Registrant's latest Annual Report to Shareholders, upon
                  request and without charge.


         SIGNATURES


Pursuant to the requirements of the Securities Act of 1933 and
the Investment Company Act of 1940, the Registrant certifies that it
has duly caused this registration statement to be signed on its behalf
by the undersigned, thereto duly authorized in the City of Bethesda, and
State of Maryland, on the 12th day of November, 1998.


THE CALVERT FUND

         By:
         ________________**_________________
         Barbara J. Krumsiek
         President and Trustee


         SIGNATURES


Pursuant to the requirements of the Securities Act of 1933,
this Registration Statement has been signed below by the following
persons in the capacities indicated.


Signature                           Title                     Date


__________**____________            President and             11/12/98
Barbara J. Krumsiek                 Trustee (Principal Executive Officer)


__________**____________            Principal Accounting      11/12/98
Ronald M. Wolfsheimer               Officer


__________**____________            Trustee                   11/12/98
Richard L. Baird, Jr.


__________**____________            Trustee                   11/12/98
Frank H. Blatz, Jr., Esq.


__________**____________            Trustee                   11/12/98
Frederick T. Borts, M.D.


__________**____________            Trustee                   11/12/98
Charles E. Diehl


__________**____________            Trustee                   11/12/98
Douglas E. Feldman


__________**____________            Trustee                   11/12/98
Peter W. Gavian


__________**____________            Trustee                   11/12/98
John G. Guffey, Jr.


__________**____________            Trustee                   11/12/98
M. Charito Kruvant


__________**____________            Trustee                   11/12/98
Arthur J. Pugh


__________**____________            Trustee                   11/12/98
David R. Rochat


__________**____________            Trustee                   11/12/98
D. Wayne Silby


**By Ivy Wafford Duke as Attorney-in-fact, pursuant to Power of Attorney Forms
on file.





    


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