EATON VANCE MUNICIPALS TRUST
497, 1999-10-14
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Eaton Vance Arizona Municipals Fund        Eaton Vance Minnesota Municipals Fund
Eaton Vance Colorado Municipals Fund      Eaton Vance New Jersey Municipals Fund
Eaton Vance Connecticut Municipals Fund Eaton Vance Pennsylvania Municipals Fund
Eaton Vance Michigan Municipals Fund           Eaton Vance Texas Municipals Fund

                 Supplement to Prospectus dated January 1, 1999

1.   The  address  of  the  Fund  and  Eaton  Vance  Management  (including  its
     affiliates) is as follows:

     The Eaton Vance Building
     255 State Street
     Boston, MA 02109

          Telephone numbers remain the same.

2.   Service  fees will now be paid from the time of sale of Class A and Class B
     shares. The following replaces each Fund's "Annual Fund Operating Expenses"
     table and "Example" under "Fund Summaries":

Annual Fund Operating Expenses (expenses that are deducted from Fund assets)

<TABLE>
                                          Management        Distribution and           Other        Total Annual Fund
                                             Fees         Service (12b-1)Fees*       Expenses**     Operating Expenses
- ----------------------------------------------------------------------------------------------------------------------
<S>                                          <C>                 <C>                  <C>                <C>
Arizona Fund        Class A Shares           0.39%               0.00%                0.44%              0.83%
                    Class B Shares           0.39%               0.95%                0.24%              1.58%
- ----------------------------------------------------------------------------------------------------------------------
Colardo Fund        Class A Shares           0.24%               0.00%               0.53%               0.77%
                    Class B Shares           0.24%               0.95%               0.33%               1.52%
- ----------------------------------------------------------------------------------------------------------------------
Connecticut Fund    Class A Shares           0.42%               0.00%               0.42%               0.84%
                    Class B Shares           0.42%               0.95%               0.22%               1.59%
- ----------------------------------------------------------------------------------------------------------------------
Michigan Fund       Class A Shares           0.40%               0.00%               0.44%               0.84%
                    Class B Shares           0.40%               0.95%               0.24%               1.59%
- ----------------------------------------------------------------------------------------------------------------------
Minnesota Fund      Class A Shares           0.33%               0.00%               0.51%               0.84%
                    Class B Shares           0.33%               0.95%               0.31%               1.59%
- ----------------------------------------------------------------------------------------------------------------------
New Jersey Fund     Class A Shares           0.45%               0.00%               0.42%               0.87%
                    Class B Shares           0.45%               0.95%               0.22%               1.62%
- ----------------------------------------------------------------------------------------------------------------------
Pennsylvania Fund   Class A Shares           0.46%               0.00%               0.38%               0.84%
                    Class B Shares           0.46%               0.95%               0.18%               1.59%
- ----------------------------------------------------------------------------------------------------------------------
Texas Fund          Class A Shares           0.16%               0.00%               0.59%               0.75%
                    Class B Shares           0.16%               0.95%               0.39%               1.50%
- ----------------------------------------------------------------------------------------------------------------------
</TABLE>

*    Long-term  holders  of  Class B  shares  may pay  more  than  the  economic
     equivalent  of  the  front-end  sales  charge  permitted  by  the  National
     Association of Securities Dealers, Inc.
**   Other Expenses for Class A includes a service fee of 0.20%.

Example.  This  Example is intended to help you compare the cost of investing in
the 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  and then
redeem all of your shares at the end of those periods.  The Example also assumes
that your  investment has a 5% return each year and that the operating  expenses
remain the same.  Although  your actual  costs may be higher or lower,  based on
these assumptions your costs would be:

<PAGE>
<TABLE>
                                             1 Year              3 Years             5 Years             10 Years
- ----------------------------------------------------------------------------------------------------------------------
<S>                                          <C>                 <C>                 <C>                 <C>
Arizona Fund        Class A Shares           $556                $727                $  914              $1,452
                    Class B Shares           $661                $899                $1,060              $1,878
- ----------------------------------------------------------------------------------------------------------------------
Colorado Fund       Class A Shares           $550                $709                $  883              $1,384
                    Class B Shares           $655                $880                $1,029              $1,813
- ----------------------------------------------------------------------------------------------------------------------
Connecticut Fund    Class A Shares           $557                $730                $  919              $1,463
                    Class B Shares           $662                $902                $1,066              $1,889
- ----------------------------------------------------------------------------------------------------------------------
Michigan Fund       Class A Shares           $557                $730                $  919              $1,463
                    Class B Shares           $662                $902                $1,066              $1,889
- ----------------------------------------------------------------------------------------------------------------------
Minnesota Fund      Class A Shares           $557                $730                $  919              $1,463
                    Class B Shares           $662                $902                $1,066              $1,889
- ----------------------------------------------------------------------------------------------------------------------
New Jersey Fund     Class A Shares           $557                $730                $  919              $1,463
                    Class B Shares           $662                $902                $1,066              $1,889
- ----------------------------------------------------------------------------------------------------------------------
Pennsylvania Fund   Class A Shares           $557                $730                $  919              $1,463
                    Class B Shares           $662                $902                $1,066              $1,889
- ----------------------------------------------------------------------------------------------------------------------
Texas Fund          Class A Shares           $548                $703                $  872              $1,361
                    Class B Shares           $653                $874                $1,018              $1,791
- ----------------------------------------------------------------------------------------------------------------------
</TABLE>

You would pay the following expenses if you did not redeem your shares:

<TABLE>
                                             1 Year              3 Years             5 Years             10 Years
- ----------------------------------------------------------------------------------------------------------------------
<S>                                          <C>                 <C>                 <C>                 <C>
Arizona Fund        Class A Shares           $556                $727                $914                $1,452
                    Class B Shares           $161                $499                $860                $1,878
- ----------------------------------------------------------------------------------------------------------------------
Colorado Fund       Class A Shares           $550                $709                $883                $1,384
                    Class B Shares           $155                $480                $829                $1,813
- ----------------------------------------------------------------------------------------------------------------------
Connecticut Fund    Class A Shares           $557                $730                $919                $1,463
                    Class B Shares           $162                $502                $866                $1,889
- ----------------------------------------------------------------------------------------------------------------------
Michigan Fund       Class A Shares           $557                $730                $919                $1,463
                    Class B Shares           $162                $502                $866                $1,889
- ----------------------------------------------------------------------------------------------------------------------
Minnesota Fund      Class A Shares           $557                $730                $919                $1,463
                    Class B Shares           $162                $502                $866                $1,889
- ----------------------------------------------------------------------------------------------------------------------
New Jersey Fund     Class A Shares           $557                $730                $919                $1,463
                    Class B Shares           $162                $502                $866                $1,889
- ----------------------------------------------------------------------------------------------------------------------
Pennsylvania Fund   Class A Shares           $557                $730                $919                $1,463
                    Class B Shares           $162                $502                $866                $1,889
- ----------------------------------------------------------------------------------------------------------------------
Texas Fund          Class A Shares           $548                $703                $872                $1,361
                    Class B Shares           $153                $474                $818                $1,791
- ----------------------------------------------------------------------------------------------------------------------
</TABLE>

3.   The  following  replaces  "Distribution  and  Service  Fees"  under  "Sales
     Charges":

     Distribution  and Service Fees.  Class B shares have in effect a plan under
     Rule 12b-1 that allows each Fund to pay distribution  fees for the sale and
     distribution  of  shares  (so-called  "12b-1  fees").  Class B  shares  pay
     distribution  fees of 0.75% of average daily net assets  annually.  Because
     these  fees are paid  from  Fund  assets  on an  ongoing  basis,  they will
     increase  your cost over time and may cost you more than paying other types
     of sales charges. Both Classes pay service fees for personal and/or account
     services  equal to 0.20% of  average  daily net assets  annually.  Although
     there is no present  intention  to do so, each Class could pay service fees
     of up to 0.25% annually upon Trustee approval.

     Class B distribution  fees are subject to  termination  when payments under
     the Rule 12b-1 plan are  sufficient  to extinguish  uncovered  distribution
     charges.   As  described   more  fully  in  the   Statement  of  Additional
     Information,  uncovered  distribution  charges of Class B are  increased by
     sales  commissions  payable by the Class to the  principal  underwriter  in
     connection  with  sales of shares of that Class and by an  interest  factor
     tied to the U.S. Prime Rate. Uncovered  distribution charges are reduced by
     the  distribution  fees paid by the Class and by CDSCs  paid to the Fund by
     redeeming  shareholders.  The  amount of the sales  commissions  payable by
     Class B to the principal  underwriter  in connection  with sales of Class B
     shares is significantly less than the maximum permitted by the sales charge
     rule of the National  Association of Securities Dealer, Inc. To date, Class
     B uncovered distribution charges have not been fully covered.

<PAGE>
4.   The  following  replaces   "Withdrawal  Plan"  under  "Shareholder  Account
     Features":

     Withdrawal  Plan.  You may redeem shares on a regular  monthly or quarterly
     basis by establishing a systematic withdrawal plan. Withdrawals will not be
     subject to any applicable  CDSC if they do not in the aggregate  exceed 12%
     annually  of the  account  balance at the time the plan is  established.  A
     minimum  account  size of $5,000 is  required  to  establish  a  systematic
     withdrawal  plan.  Because  purchases  of Class A shares are  subject to an
     initial sales  charge,  you should not make  withdrawals  from your account
     while you are making purchases.


October 12, 1999                                                       C12/1ABPS
<PAGE>
Eaton Vance Alabama Municipals Fund         Eaton Vance Missouri Municipals Fund
Eaton Vance Arkansas Municipals Fund  Eaton Vance North Carolina Municipals Fund
Eaton Vance Georgia Municipals Fund           Eaton Vance Oregon Municipals Fund
Eaton Vance Kentucky Municipals Fund  Eaton Vance South Carolina Municipals Fund
Eaton Vance Louisiana Municipals Fund      Eaton Vance Tennessee Municipals Fund
Eaton Vance Maryland Municipals Fund        Eaton Vance Virginia Municipals Fund

                 Supplement to Prospectus dated January 1, 1999


1.   The  address  of  the  Fund  and  Eaton  Vance  Management  (including  its
     affiliates) is as follows:

     The Eaton Vance Building
     255 State Street
     Boston, MA 02109

          Telephone numbers remain the same.

2.   Service  fees will now be paid from the time of sale of Class A and Class B
     shares. The following replaces each Fund's "Annual Fund Operating Expenses"
     table and "Example" under "Fund Summaries":

Annual Fund Operating Expenses (expenses that are deducted from Fund assets)

<TABLE>
                                          Management        Distribution and           Other        Total Annual Fund
                                             Fees         Service (12b-1)Fees*       Expenses**     Operating Expenses
- ---------------------------------------------------------------------------------------------------------------------------
<S>                                          <C>                 <C>                 <C>                 <C>
Alabama Fund        Class A Shares           0.37%               0.00%               0.46%               0.83%
                    Class B Shares           0.37%               0.95%               0.26%               1.58%
- ---------------------------------------------------------------------------------------------------------------------------
Arkansas Fund       Class A Shares           0.31%               0.00%               0.48%               0.79%
                    Class B Shares           0.31%               0.95%               0.28%               1.54%
- ---------------------------------------------------------------------------------------------------------------------------
Georgia Fund        Class A Shares           0.37%               0.00%               0.47%               0.84%
                    Class B Shares           0.37%               0.95%               0.27%               1.59%
- ---------------------------------------------------------------------------------------------------------------------------
Kentucky Fund       Class A Shares           0.40%               0.00%               0.43%               0.83%
                    Class B Shares           0.40%               0.95%               0.23%               1.58%
- ---------------------------------------------------------------------------------------------------------------------------
Louisiana Fund      Class A Shares           0.22%               0.00%               0.54%               0.76%
                    Class B Shares           0.22%               0.95%               0.34%               1.51%
- ---------------------------------------------------------------------------------------------------------------------------
Maryland Fund       Class A Shares           0.38%               0.00%               0.45%               0.83%
                    Class B Shares           0.38%               0.95%               0.25%               1.57%
- ---------------------------------------------------------------------------------------------------------------------------
Missouri Fund       Class A Shares           0.35%               0.00%               0.48%               0.83%
                    Class B Shares           0.35%               0.95%               0.28%               1.58%
- ---------------------------------------------------------------------------------------------------------------------------
North Carolina Fund Class A Shares           0.42%               0.00%               0.42%               0.84%
                    Class B Shares           0.42%               0.95%               0.22%               1.59%
- ---------------------------------------------------------------------------------------------------------------------------
Oregon Fund         Class A Shares           0.39%               0.00%               0.44%               0.83%
                    Class B Shares           0.39%               0.95%               0.24%               1.58%
- ---------------------------------------------------------------------------------------------------------------------------
South Carolina Fund Class A Shares           0.29%               0.00%               0.49%               0.77%
                    Class B Shares           0.29%               0.95%               0.29%               1.53%
- ---------------------------------------------------------------------------------------------------------------------------
Tennessee Fund      Class A Shares           0.30%               0.00%               0.49%               0.79%
                    Class B Shares           0.30%               0.95%               0.29%               1.54%
- ---------------------------------------------------------------------------------------------------------------------------
Virginia Fund       Class A Shares           0.41%               0.00%               0.44%               0.85%
                    Class B Shares           0.41%               0.95%               0.24%               1.60%
- ---------------------------------------------------------------------------------------------------------------------------
</TABLE>

*    Long-term  holders  of  Class B  shares  may pay  more  than  the  economic
     equivalent  of  the  front-end  sales  charge  permitted  by  the  National
     Association of Securities Dealers, Inc.
**   Other Expenses for Class A includes a service fee of 0.20%.



<PAGE>
Example.  This  Example is intended to help you compare the cost of investing in
the 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  and then
redeem all of your shares at the end of those periods.  The Example also assumes
that your  investment has a 5% return each year and that the operating  expenses
remain the same.  Although  your actual  costs may be higher or lower,  based on
these assumptions your costs would be:
<TABLE>
                                             1 Year              3 Years             5 Years             10 Years
- --------------------------------------------------------------------------------------------------------------------------
<S>                                          <C>                 <C>                 <C>                 <C>
Alabama Fund        Class A Shares           $556                $727                $  914              $1,452
                    Class B Shares           $661                $899                $1,060              $1,878
- --------------------------------------------------------------------------------------------------------------------------
Arkansas Fund       Class A Shares           $552                $715                $  893              $1,406
                    Class B Shares           $657                $886                $1,039              $1,835
- --------------------------------------------------------------------------------------------------------------------------
Georgia Fund        Class A Shares           $557                $730                $  919              $1,463
                    Class B Shares           $662                $902                $1,066              $1,889
- --------------------------------------------------------------------------------------------------------------------------
Kentucky Fund       Class A Shares           $556                $727                $  914              $1,452
                    Class B Shares           $661                $899                $1,060              $1,878
- --------------------------------------------------------------------------------------------------------------------------
Louisiana Fund      Class A Shares           $549                $706                $  877              $1,372
                    Class B Shares           $654                $877                $1,024              $1,802
- --------------------------------------------------------------------------------------------------------------------------
Maryland Fund       Class A Shares           $556                $727                $  914              $1,452
                    Class B Shares           $660                $896                $1,055              $1,867
- --------------------------------------------------------------------------------------------------------------------------
Missouri Fund       Class A Shares           $556                $727                $  914              $1,452
                    Class B Shares           $661                $899                $1,060              $1,878
- --------------------------------------------------------------------------------------------------------------------------
North Carolina Fund Class A Shares           $557                $730                $  920              $1,463
                    Class B Shares           $662                $902                $1,066              $1,889
- --------------------------------------------------------------------------------------------------------------------------
Oregon Fund         Class A Shares           $556                $727                $  914              $1,452
                    Class B Shares           $661                $899                $1,060              $1,878
- --------------------------------------------------------------------------------------------------------------------------
South Carolina Fund Class A Shares           $551                $712                $  888              $1,395
                    Class B Shares           $656                $883                $1,034              $1,824
- --------------------------------------------------------------------------------------------------------------------------
Tennessee Fund      Class A Shares           $552                $715                $  893              $1,406
                    Class B Shares           $657                $886                $1,039              $1,834
- --------------------------------------------------------------------------------------------------------------------------
Virginia Fund       Class A Shares           $558                $733                $  924              $1,474
                    Class B Shares           $905                $905                $1,071              $1,900
- --------------------------------------------------------------------------------------------------------------------------
</TABLE>
You would pay the following expenses if you did not redeem your shares:

<TABLE>
                                             1 Year              3 Years             5 Years             10 Years
- --------------------------------------------------------------------------------------------------------------------------
<S>                                          <C>                 <C>                 <C>                 <C>
Alabama Fund        Class A Shares           $556                $727                $914              $1,452
                    Class B Shares           $161                $499                $860              $1,878
- --------------------------------------------------------------------------------------------------------------------------
Arkansas Fund       Class A Shares           $552                $715                $893              $1,406
                    Class B Shares           $157                $486                $839              $1,835
- --------------------------------------------------------------------------------------------------------------------------
Georgia Fund        Class A Shares           $557                $730                $919              $1,463
                    Class B Shares           $162                $502                $866              $1,889
- --------------------------------------------------------------------------------------------------------------------------
Kentucky Fund       Class A Shares           $556                $727                $914              $1,452
                    Class B Shares           $161                $499                $860              $1,878
- --------------------------------------------------------------------------------------------------------------------------
Louisiana Fund      Class A Shares           $549                $706                $877              $1,372
                    Class B Shares           $154                $477                $824              $1,802
- --------------------------------------------------------------------------------------------------------------------------
Maryland Fund       Class A Shares           $556                $727                $914              $1,452
                    Class B Shares           $160                $496                $855              $1,867
- --------------------------------------------------------------------------------------------------------------------------
Missouri Fund       Class A Shares           $556                $727                $914              $1,452
                    Class B Shares           $161                $499                $860              $1,878
- --------------------------------------------------------------------------------------------------------------------------
North Carolina Fund Class A Shares           $557                $730                $920              $1,463
                    Class B Shares           $162                $502                $866              $1,889
- --------------------------------------------------------------------------------------------------------------------------
Oregon Fund         Class A Shares           $556                $727                $914              $1,452
                    Class B Shares           $161                $499                $860              $1,878
- --------------------------------------------------------------------------------------------------------------------------
South Carolina Fund Class A Shares           $551                $712                $888              $1,395
                    Class B Shares           $156                $483                $834              $1,824
- --------------------------------------------------------------------------------------------------------------------------
Tennessee Fund      Class A Shares           $552                $715                $893              $1,406
                    Class B Shares           $157                $486                $839              $1,834
- --------------------------------------------------------------------------------------------------------------------------
Virginia Fund       Class A Shares           $558                $733                $924              $1,474
                    Class B Shares           $163                $505                $871              $1,906
- --------------------------------------------------------------------------------------------------------------------------
</TABLE>
<PAGE>
3.   The  following  replaces  "Distribution  and  Service  Fees"  under  "Sales
     Charges":

     Distribution  and Service Fees.  Class B shares have in effect a plan under
     Rule 12b-1 that allows each Fund to pay distribution  fees for the sale and
     distribution  of  shares  (so-called  "12b-1  fees").  Class B  shares  pay
     distribution  fees of 0.75% of average daily net assets  annually.  Because
     these  fees are paid  from  Fund  assets  on an  ongoing  basis,  they will
     increase  your cost over time and may cost you more than paying other types
     of sales charges. Both Classes pay service fees for personal and/or account
     services  equal to 0.20% of  average  daily net assets  annually.  Although
     there is no present  intention  to do so, each Class could pay service fees
     of up to 0.25% annually upon Trustee approval.

     Class B distribution  fees are subject to  termination  when payments under
     the Rule 12b-1 plan are  sufficient  to extinguish  uncovered  distribution
     charges.   As  described   more  fully  in  the   Statement  of  Additional
     Information,  uncovered  distribution  charges of Class B are  increased by
     sales  commissions  payable by the Class to the  principal  underwriter  in
     connection  with  sales of shares of that Class and by an  interest  factor
     tied to the U.S. Prime Rate. Uncovered  distribution charges are reduced by
     the  distribution  fees paid by the Class and by CDSCs  paid to the Fund by
     redeeming  shareholders.  The  amount of the sales  commissions  payable by
     Class B to the principal  underwriter  in connection  with sales of Class B
     shares is significantly less than the maximum permitted by the sales charge
     rule of the National  Association of Securities Dealer, Inc. To date, Class
     B uncovered distribution charges have not been fully covered.

4.   The  following  replaces   "Withdrawal  Plan"  under  "Shareholder  Account
     Features":

     Withdrawal  Plan.  You may redeem shares on a regular  monthly or quarterly
     basis by establishing a systematic withdrawal plan. Withdrawals will not be
     subject to any applicable  CDSC if they do not in the aggregate  exceed 12%
     annually  of the  account  balance at the time the plan is  established.  A
     minimum  account  size of $5,000 is  required  to  establish  a  systematic
     withdrawal  plan.  Because  purchases  of Class A shares are  subject to an
     initial sales  charge,  you should not make  withdrawals  from your account
     while you are making purchases.


October 12, 1999                                                     12MUNI1/1PS
<PAGE>
                     Eaton Vance California Municipals Fund
                      Eaton Vance New York Municipals Fund
                       Eaton Vance Florida Municipals Fund
                        Eaton Vance Ohio Municipals Fund
                   Eaton Vance Massachusetts Municipals Fund
                    Eaton Vance Rhode Island Municipals Fund
                    Eaton Vance Mississippi Municipals Fund
                   Eaton Vance West Virginia Municipals Fund

                 Supplement to Prospectus dated February 1, 1999


1.   The  address  of  the  Fund  and  Eaton  Vance  Management  (including  its
     affiliates) is as follows:

     The Eaton Vance Building
     255 State Street
     Boston, MA 02109

     Telephone numbers remain the same.

2.   Service  fees will now be paid from the time of sale of Class A and Class B
     shares. The following replaces each Fund's "Annual Fund Operating Expenses"
     table and "Example" under "Fund Summaries":

Annual Fund Operating Expenses (expenses that are deducted from Fund assets)

<TABLE>
                                          Management        Distribution and           Other        Total Annual Fund
                                             Fees         Service (12b-1)Fees*       Expenses**     Operating Expenses
- -------------------------------------------------------------------------------------------------------------------------
<S>                                          <C>                 <C>                 <C>                 <C>
California Fund     Class A Shares           0.48%               0.00%               0.44%               0.92%
                    Class B Shares           0.48%               1.00%               0.19%               1.67%
- -------------------------------------------------------------------------------------------------------------------------
Florida Fund        Class A Shares           0.45%               0.00%               0.35%               0.80%
                    Class B Shares           0.45%               0.95%               0.15%               1.55%
- -------------------------------------------------------------------------------------------------------------------------
Massachusetts Fund  Class A Shares           0.44%               0.00%               0.42%               0.86%
                    Class B Shares           0.44%               0.95%               0.22%               1.61%
- -------------------------------------------------------------------------------------------------------------------------
Mississippi Fund    Class A Shares           0.16%               0.00%               0.61%               0.77%
                    Class B Shares           0.16%               0.95%               0.41%               1.52%
- -------------------------------------------------------------------------------------------------------------------------
New York Fund       Class A Shares           0.45%               0.00%               0.39%               0.84%
                    Class B Shares           0.45%               0.95%               0.19%               1.59%
- -------------------------------------------------------------------------------------------------------------------------
Ohio Fund           Class A Shares           0.45%               0.00%               0.42%               0.87%
                    Class B Shares           0.45%               0.95%               0.22%               1.62%
- -------------------------------------------------------------------------------------------------------------------------
Rhode Island Fund   Class A Shares           0.24%               0.00%               0.48%               0.72%
                    Class B Shares           0.24%               0.95%               0.28%               1.47%
- -------------------------------------------------------------------------------------------------------------------------
West Virginia Fund  Class A Shares           0.21%               0.00%               0.52%               0.73%
                    Class B Shares           0.21%               0.95%               0.32%               1.48%
- -------------------------------------------------------------------------------------------------------------------------
</TABLE>

*    Long-term  holders  of  Class B  shares  may pay  more  than  the  economic
     equivalent  of  the  front-end  sales  charge  permitted  by  the  National
     Association of Securities Dealers, Inc.

**   Other  Expenses  for  Class A  includes  a  service  fee of  0.25%  for the
     California Fund and 0.20% for the other Funds.

Example.  This  Example is intended to help you compare the cost of investing in
the 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  and then
redeem all of your shares at the end of those periods.  The Example also assumes
that your  investment has a 5% return each year and that the operating  expenses
remain the same.  Although  your actual  costs may be higher or lower,  based on
these assumptions your costs would be:

<PAGE>
<TABLE>
                                             1 Year              3 Years             5 Years             10 Years
- -------------------------------------------------------------------------------------------------------------------------
<S>                                          <C>                 <C>                 <C>                 <C>
California Fund     Class A Shares           $564                $754                $  960              $1,553
                    Class B Shares           $670                $926                $1,107              $1,976
- -------------------------------------------------------------------------------------------------------------------------
Florida Fund        Class A Shares           $553                $718                $  898              $1,418
                    Class B Shares           $658                $890                $1,045              $1,845
- -------------------------------------------------------------------------------------------------------------------------
Massachusetts Fund  Class A Shares           $559                $736                $  929              $1,485
                    Class B Shares           $664                $908                $1,076              $1,911
- -------------------------------------------------------------------------------------------------------------------------
Mississippi Fund    Class A Shares           $550                $708                $  883              $1,384
                    Class B Shares           $655                $880                $1,029              $1,813
- -------------------------------------------------------------------------------------------------------------------------
New York Fund       Class A Shares           $557                $730                $  919              $1,463
                    Class B Shares           $662                $902                $1,066              $1,889
- -------------------------------------------------------------------------------------------------------------------------
Ohio Fund           Class A Shares           $560                $739                $  934              $1,497
                    Class B Shares           $665                $911                $1,081              $1,922
- -------------------------------------------------------------------------------------------------------------------------
Rhode Island Fund   Class A Shares           $545                $694                $  857              $1,327
                    Class B Shares           $650                $865                $1,003              $1,757
- -------------------------------------------------------------------------------------------------------------------------
West Virginia Fund  Class A Shares           $546                $697                $  862              $1,338
                    Class B Shares           $651                $868                $1,008              $1,768
- -------------------------------------------------------------------------------------------------------------------------
</TABLE>

You would pay the following expenses if you did not redeem your shares:

<TABLE>
                                             1 Year              3 Years             5 Years             10 Years
- -------------------------------------------------------------------------------------------------------------------------
<S>                                          <C>                 <C>                 <C>                 <C>
California Fund     Class A Shares           $564                $754                $960                $1,553
                    Class B Shares           $170                $526                $907                $1,976
- -------------------------------------------------------------------------------------------------------------------------
Florida Fund        Class A Shares           $553                $718                $898                $1,418
                    Class B Shares           $158                $490                $845                $1,845
- -------------------------------------------------------------------------------------------------------------------------
Massachusetts Fund  Class A Shares           $559                $736                $929                $1,485
                    Class B Shares           $164                $508                $876                $1,911
- -------------------------------------------------------------------------------------------------------------------------
Mississippi Fund    Class A Shares           $550                $708                $883                $1,384
                    Class B Shares           $155                $480                $829                $1,813
- -------------------------------------------------------------------------------------------------------------------------
New York Fund       Class A Shares           $557                $730                $919                $1,463
                    Class B Shares           $162                $502                $866                $1,889
- -------------------------------------------------------------------------------------------------------------------------
Ohio Fund           Class A Shares           $560                $739                $934                $1,497
                    Class B Shares           $165                $511                $881                $1,922
- -------------------------------------------------------------------------------------------------------------------------
Rhode Island Fund   Class A Shares           $545                $694                $857                $1,327
                    Class B Shares           $150                $465                $803                $1,757
- -------------------------------------------------------------------------------------------------------------------------
West Virginia Fund  Class A Shares           $546                $697                $862                $1,338
                    Class B Shares           $151                $468                $808                $1,768
- -------------------------------------------------------------------------------------------------------------------------
</TABLE>

3.   The  following  replaces  "Distribution  and  Service  Fees"  under  "Sales
     Charges":

     Distribution  and Service Fees.  Class B shares have in effect a plan under
     Rule 12b-1 that allows each Fund to pay distribution  fees for the sale and
     distribution  of  shares  (so-called  "12b-1  fees").  Class B  shares  pay
     distribution  fees of 0.75% of average daily net assets  annually.  Because
     these  fees are paid  from  Fund  assets  on an  ongoing  basis,  they will
     increase  your cost over time and may cost you more than paying other types
     of sales charges.  Both Classes of each Fund (except the  California  Fund)
     pay service fees for personal  and/or  account  services  equal to 0.20% of
     average daily net assets annually.  Although there is no present  intention
     to do so, each such Class could pay  service  fees of up to 0.25%  annually
     upon Trustee  approval.  The California Fund pays service fees for personal
     and/or  account  services  equal to  0.25%  of  average  daily  net  assets
     annually.

<PAGE>
     Class B distribution  fees are subject to  termination  when payments under
     the Rule 12b-1 plan are  sufficient  to extinguish  uncovered  distribution
     charges.   As  described   more  fully  in  the   Statement  of  Additional
     Information,  uncovered  distribution  charges of Class B are  increased by
     sales  commissions  payable by the Class to the  principal  underwriter  in
     connection  with  sales of shares of that Class and by an  interest  factor
     tied to the U.S. Prime Rate. Uncovered  distribution charges are reduced by
     the  distribution  fees paid by the Class and by CDSCs  paid to the Fund by
     redeeming  shareholders.  The  amount of the sales  commissions  payable by
     Class B to the principal  underwriter  in connection  with sales of Class B
     shares is significantly less than the maximum permitted by the sales charge
     rule of the National  Association of Securities Dealer,  Inc. Except in the
     case of California Municipals Fund, to date Class B uncovered  distribution
     charges have not been fully  covered.  California  Municipals  Fund Class B
     does not pay distribution fees when charges are fully covered.

4.   The  following  replaces   "Withdrawal  Plan"  under  "Shareholder  Account
     Features":

     Withdrawal  Plan.  You may redeem shares on a regular  monthly or quarterly
     basis by establishing a systematic withdrawal plan. Withdrawals will not be
     subject to any applicable  CDSC if they do not in the aggregate  exceed 12%
     annually  of the  account  balance at the time the plan is  established.  A
     minimum  account  size of $5,000 is  required  to  establish  a  systematic
     withdrawal  plan.  Because  purchases  of Class A shares are  subject to an
     initial sales  charge,  you should not make  withdrawals  from your account
     while you are making purchases.


October 12, 1999                                                    TFC2/1FEESPS
<PAGE>
                      Eaton Vance National Municipals Fund
                 Supplement to Prospectus dated February 1, 1999

                        Eaton Vance Strategic Income Fund
                  Supplement to Prospectus dated March 1, 1999


1.   The  address  of  the  Fund  and  Eaton  Vance  Management  (including  its
     affiliates) is as follows:

     The Eaton Vance Building
     255 State Street
     Boston, MA 02109

     Telephone numbers remain the same.

2.   Service  fees will now be paid from the time of sale of Class A and Class B
     shares.

a.   The  following  replaces the "Annual  Fund  Operating  Expenses"  table and
     "Example" under "Fund Summary" in the National Municipals Fund prospectus:

Annual Fund Operating Expenses
(expenses that are deducted from Fund assets)   Class A     Class B      Class C
- --------------------------------------------------------------------------------
Management Fees                                 0.42%       0.42%          0.42%
Distribution and Service (12b-1) Fees*          0.00%       1.00%          1.00%
Other Expenses**                                0.37%       0.12%          0.12%
                                                ----        ----           ----
Total Annual Fund Operating Expenses            0.79%       1.54%          1.54%

*    Long-term  shareholders of Class B and Class C shares may pay more than the
     economic equivalent of the front-end sales charge permitted by the National
     Association of Securities Dealers, Inc.
**   Other Expenses for Class A shares includes a service fee of 0.25%.

Example.  This  Example is intended to help you compare the cost of investing in
the 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  and then
redeem all of your shares at the end of those periods.  The Example also assumes
that your  investment has a 5% return each year and that the operating  expenses
remain the same.  Although  your actual  costs may be higher or lower,  based on
these assumptions your costs would be:

                         1 Year         3 Years        5 Years        10 Years
- --------------------------------------------------------------------------------
Class A shares           $552           $715           $  893         $1,406
Class B shares           $657           $886           $1,039         $1,835
Class C shares           $257           $486           $  839         $1,834

You would pay the following expenses if you did not redeem you shares:

                         1 Year         3 Years        5 Years        10 Years
- --------------------------------------------------------------------------------
Class A shares           $552           $715           $893           $1,406
Class B shares           $157           $486           $839           $1,835
Class C shares           $157           $486           $839           $1,834

b.   The  following  replaces the "Annual  Fund  Operating  Expenses"  table and
     "Example" under "Fund Summary" in the Strategic Income Fund prospectus:

Annual Fund Operating Expenses
(expenses that are deducted from Fund assets)     Class A   Class B      Class C
- --------------------------------------------------------------------------------
Management Fees                                   0.52%     0.52%          0.52%
Distribution and Service (12b-1) Fees*            0.00%     1.00%          1.00%
Other Expenses**                                  0.76%     0.51%          0.51%
                                                  ----      ----           ----
Total Annual Fund Operating Expenses              1.28%     2.03%          2.03%

*    Long-term  shareholders of Class B and Class C shares may pay more than the
     economic equivalent of the front-end sales charge permitted by the National
     Association of Securities Dealers, Inc.
**   Other Expenses for Class A shares includes a service fee of 0.25%.

Example.  This  Example is intended to help you compare the cost of investing in
the 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  and then
redeem all of your shares at the end of those periods.  The Example also assumes
that your  investment has a 5% return each year and that the operating  expenses
remain the same.  Although  your actual  costs may be higher or lower,  based on
these assumptions your costs would be:

<PAGE>
                         1 Year         3 Years        5 Years        10 Years
- --------------------------------------------------------------------------------
Class A shares           $599           $  862         $1,144         $1,947
Class B shares           $706           $1,037         $1,293         $2,358
Class C shares           $306           $  637         $1,093         $2,358

You would pay the following expenses if you did not redeem you shares:

                         1 Year         3 Years        5 Years        10 Years
- --------------------------------------------------------------------------------
Class A shares           $599           $862           $1,144         $  947
Class B shares           $206           $637           $1,093         $2,358
Class C shares           $206           $637           $1,093         $2,358

3.   The  following  replaces  "Distribution  and  Service  Fees"  under  "Sales
     Charges":

     Distribution  and Service  Fees.  Class B and Class C shares have in effect
     plans  under Rule 12b-1 that allow each Fund to pay  distribution  fees for
     the sale and distribution of shares (so-called  "12b-1 fees").  Class B and
     Class C shares pay  distribution  fees of 0.75% of average daily net assets
     annually. Because these fees are paid from Fund assets on an ongoing basis,
     they will  increase  your cost over time and may cost you more than  paying
     other types of sales  charges.  All Classes pay service  fees for  personal
     and/or  account  services  equal to  0.25%  of  average  daily  net  assets
     annually.

     Class B and Class C  distribution  fees are  subject  to  termination  when
     payments under the Rule 12b-1 plans are sufficient to extinguish  uncovered
     distribution   charges.  As  described  more  fully  in  the  Statement  of
     Additional  Information,  uncovered  distribution  charges  of a Class  are
     increased  by sales  commissions  payable  by the  Class  to the  principal
     underwriter  in  connection  with  sales of shares of that  Class and by an
     interest factor tied to the U.S. Prime Rate. Uncovered distribution charges
     are reduced by the distribution fees paid by the Class and by CDSCs paid to
     the Fund by  redeeming  shareholders.  The amount of the sales  commissions
     payable by Class B to the principal underwriter in connection with sales of
     Class B shares is  significantly  less than the  maximum  permitted  by the
     sales charge rule of the National Association of Securities Dealer, Inc. To
     date, neither Class B nor Class C uncovered  distribution charges have been
     fully covered.

4.   The  following  replaces   "Withdrawal  Plan"  under  "Shareholder  Account
     Features":


     Withdrawal  Plan.  You may redeem shares on a regular  monthly or quarterly
     basis by establishing a systematic withdrawal plan. Withdrawals will not be
     subject to any applicable  CDSC if they do not in the aggregate  exceed 12%
     annually  of the  account  balance at the time the plan is  established.  A
     minimum  account  size of $5,000 is  required  to  establish  a  systematic
     withdrawal  plan.  Because  purchases  of Class A shares are  subject to an
     initial sales  charge,  you should not make  withdrawals  from your account
     while you are making purchases.

5.   The following is added to the first paragraph of "Exchange Privilege" under
     "Shareholder Account Features" in the National Municipals Fund prospectus:

     Class A shares may also be exchanged for the Fund's  Institutional  Shares,
     subject to the terms and conditions for investing in those shares.


October 12, 1999                                                          HMSIPS


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