Exhibit 15
                        STATE STREET BOSTON CORPORATION




                Independent Accountants' Acknowledgment Letter




The Stockholders and Board of Directors
State Street Boston Corporation


     We are  aware  of  the  incorporation  by  reference  in  the  Registration
Statement  (Form S-8 Nos.  33-38672,  33-38671,  33-2882,  2-93157,  2-88641 and
2-68698) and the Post-Effective  Amendment No. 2 to Registration Statement (Form
S-8 No. 2-68696) pertaining to various stock option and performance share plans,
and in the  Registration  Statement  (Form S-3 No.  33-49885)  pertaining to the
registration  of debt  securities  of State Street  Boston  Corporation,  of our
report dated  October 17, 1994 relating to the  unaudited  consolidated  interim
financial  statements of State Street Boston  Corporation  which are included in
its Form 10-Q for the quarter ended September 30, 1994.

     Pursuant to Rule 436(c) of the  Securities Act of 1933, our report is not a
part of the registration  statement  prepared or certified by accountants within
the meaning of Section 7 or 11 of the Securities Act of 1933.




                               ERNST & YOUNG LLP




Boston, Massachusetts
November 9, 1994