Exhibit 16(a)

                                POWER OF ATTORNEY

        We, the undersigned officers and Trustees of Eaton Vance Mutual Funds
Trust, a Massachusetts business trust, do hereby severally constitute and
appoint Alan R. Dynner, James B. Hawkes and Eric G. Woodbury, or any of them, to
be true, sufficient and lawful attorneys, or attorney for each of us, to sign
for each of us, in the name of each of us in the capacities indicated below, any
and all amendments to the Registration Statement on Form N-14 filed by Eaton
Vance Mutual Funds Trust with the Securities and Exchange Commission in respect
of shares of beneficial interest, and other documents and papers relating
thereto.

        IN WITNESS WHEREOF we have hereunto set our hands on the dates set
opposite our respective signatures.

        Name                             Capacity                    Date
        ----                             --------                    ----
                                                                                
                                President, Principal                            
                                Executive Officer and                           
/s/ M. Dozier Gardner           Trustee                         October 19, 1998
- --------------------------
M. Dozier Gardner
                                Treasurer and Principal
                                Financial and Accounting
/s/ James L. O'Connor           Officer                         October 19, 1998
- --------------------------                                                      
James L. O'Connor                                                               
                                                                                
                                                                                
/s/ Donald R. Dwight            Trustee                         October 19, 1998
- --------------------------                                                      
Donald R. Dwight                                                                
                                                                                
                                Vice President                            
/s/ James B. Hawkes             and Trustee                     October 19, 1998
- --------------------------                                                      
James B. Hawkes                                                                 
                                                                                
                                                                                
/s/ Samuel L. Hayes, III        Trustee                         October 19, 1998
- --------------------------                                                      
Samuel L. Hayes, III                                                            
                                                                                
                                                                                
/s/ Norton H. Reamer            Trustee                         October 19, 1998
- --------------------------                                                      
Norton H. Reamer                                                                
                                                                                
                                                                                
/s/ John L. Thorndike           Trustee                         October 19, 1998
- --------------------------                                                      
John L. Thorndike                                                               
                                                                                
                                                                                
/s/ Jack L. Treynor             Trustee                         October 19, 1998
- --------------------------                                                      
Jack L. Treynor