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[CENTRAL ILLINOIS PUBLIC SERVICE COMPANY LETTERHEAD]
607 East Adams Street
Springfield, Illinois 62739
(217) 523-3600 - (217) 525-5311
December 31, 1997
Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, D.C. 20549
ATTN: Document Control - EDGAR
Re: Central Illinois Public Service Company
Form S-8 Registration Statement
(Central Illinois Public Service Company - Employee Long-Term Savings
Plan,
Employee Long-Term Savings Plan - IUOE No. 148 and Employee
Long-Term Savings Plan - IBEW No. 702)
Reg. Nos. 33-29384; 33-31475
Ladies and Gentlemen:
Pursuant to mergers to be effective on the date of this letter (the
"Mergers"), CIPSCO Incorporated will be merged into Ameren Corporation and
Central Illinois Public Service Company will become a wholly-owned subsidiary
of Ameren Corporation. The Mergers are described in the Form S-4 Registration
Statement of Ameren Corporation filed with the Securities and Exchange
Commission on November 13, 1995 (Reg. No. 33-64165) and in the Current Report
on Form 8-K of Ameren Corporation to be filed following the Mergers. Following
the Mergers, the securities offered under the above-described Plans will
consist of Common Stock of Ameren Corporation and related Plan interests, and
Common Stock of CIPSCO Incorporated will no longer be offered under such Plans.
The securities to be offered under such Plans will be registered under the
Securities Act of 1933 on Form S-8 by Ameren Corporation immediately following
the Mergers.
Accordingly, pursuant to Rule 477 under the Securities Act of 1933,
Central Illinois Public Service Company hereby applies for the withdrawal of
the above- captioned Registration Statements.
Very truly yours,
Central Illinois Public
Service Company
By: W. A. Koertner
-------------------------
Its Vice President
