MORGAN STANLEY DEAN WITTER DEVELOPING GROWTH SECURITIES TRUS, 497J, 1999-12-02

MORGAN STANLEY DEAN WITTER DEVELOPING GROWTH SECURITIES TRUS
497J, 1999-12-02

Previous: FIRST FINANCIAL BANCORP /OH/, SC 13G, 1999-12-02

Next: MORGAN STANLEY DEAN WITTER DEVELOPING GROWTH SECURITIES TRUS, 497, 1999-12-02




  MORGAN STANLEY DEAN WITTER DEVELOPING GROWTH
                     SECURITIES TRUST TWO WORLD
                     TRADE CENTER
                       NEW YORK, NEW
YORK
                         (212) 392-1600

December 2, 1999
Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, D.C.  20549

Re:   Morgan  Stanley  Dean Witter Developing  Growth
Securities Trust
     File #2-81151
     Rule 497(j) Filing

Dear Sir/Madam:

     On behalf of the Registrant, the undersigned
certifies that the  form  of  Prospectus and
Statement of Additional Information that
would  have  been  filed  under Section  497(c)
would  not  have differed
from those contained in the text of the Registrant's
most recent registration  statement that was filed
electronically  via  Edgar with
the Securities and Exchange Commission on November
29,1999.


                                             Very
truly yours,
                          /s/Marilyn K. Cranney
                                             Marilyn
                                             K.
                                             Cranney
                                             Assistan
                                             t
                                             Secretar
                                             y



cc: Larry Greene
     Barry Fink