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SUPPLEMENT TO THE PROSPECTUS OF
DEAN WITTER SELECT DIMENSIONS INVESTMENT SERIES
DATED FEBRUARY 28, 1995
The sentence pertaining to the Global Equity Portfolio in the subsection
entitled "Portfolio Management" under the subsection entitled "General Portfolio
Techniques" in the section of the Prospectus entitled "INVESTMENT OBJECTIVES AND
POLICIES" is hereby replaced by the following:
Mark Bavoso, Senior Vice President of InterCapital and a
portfolio manager at InterCapital for over five years, has been
the primary portfolio manager of the Global Equity Portfolio
since August, 1995.
August 1, 1995
