DREYFUS MIDCAP INDEX FUND, 497J, 1997-03-04

DREYFUS MIDCAP INDEX FUND
497J, 1997-03-04

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                                                March 4, 1997



Securities and Exchange Commission
Judiciary Plaza
450 Fifth Street N.W.
Washington D.C. 20549


        Re:     Dreyfus MidCap Index Fund
                Registration Statement File No. 33-41078
                CIK No: 875732


Dear Sir/Madam:

        Pursuant to Rule 497(j) under the Securities Act of 1933, please be
advised that there are no changes to the Prospectus and Statement of Additional
Information contained in Post-Effective Amendment No. 7  to the Fund's
Registration Statement on Form N-1A filed pursuant to Rule 485(b) with the
Securities and Exchange Commission on February 27, 1997.

        Please address any comments or questions to the attention of the
undersigned at (212)922-6806.


                                                Very truly yours,



                                                Matthew Bromberg