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SUPPLEMENT TO THE PROSPECTUS OF
DEAN WITTER CONVERTIBLE SECURITIES TRUST
DATED NOVEMBER 26, 1997
The last three sentences in the first paragraph under the subsection
entitled "Portfolio Management" under the section of the Prospectus entitled
"INVESTMENT OBJECTIVE AND POLICIES" are hereby replaced by the following:
The Fund's portfolio is managed within InterCapital's Growth and
Income Group, which manages 24 funds and fund portfolios with
approximately $29.9 billion in assets as of December 31, 1997. Peter M.
Avelar, Senior Vice President of InterCapital and a member of the Growth
and Income Group, has been the primary portfolio manager of the Fund
since January 1998 and has been a portfolio manager with InterCapital
for over five years.
January 23, 1998
