DEAN WITTER DEVELOPING GROWTH SECURITIES TRUST
Two World Trade Center
New York, New York 10048
(212) 392-1600
November 26, 1996
Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, D.C. 20549
Re: 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 21, 1996.
Very truly yours,
/s/ Marilyn K. Cranney
Marilyn K. Cranney
Assistant Secretary
cc: Randolph Koch
Sheldon Curtis