MFS FIXED INCOME TRUST/, 497, 1995-09-06

MFS FIXED INCOME TRUST/
497, 1995-09-06

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                              MFS SERIES TRUST IX
             500 Boylston Street, Boston, Massachusetts 02116-3741
                                 (617) 954-5000




September 6, 1995



VIA EDGAR

Securities and Exchange Commission
Judiciary Plaza
450 Fifth Street, NW
Washington, DC  20549

Re:  MFS Series Trust IX (the "Trust")
         MFS Bond Fund
         MFS Limited Maturity Fund
         MFS Municipal Limited Maturity Fund
(File Nos. 2-50409 and 811-2464)

Ladies and Gentlemen:

Pursuant to Rule 497(j) under the  Securities  Act of 1933,  as amended,  please
accept  this letter as  certification  that each  Prospectus  and  Statement  of
Additional  Information  for the individual  series of the Trust does not differ
from that contained in Post-Effective  Amendment No. 32 (the "Amendment") to the
Trust's  Registration  Statement on Form N-1A, which was filed electronically on
August 28, 1995.

Please call the undersigned or Laurie E. Buckley at (800) 343-2829 Ext. 5873
with any questions you may have.

Very truly yours,



JAMES R. BORDEWICK, JR.
James R. Bordewick, Jr.
Assistant Secretary