THE DREYFUS THIRD CENTURY FUND, INC.
                                200 PARK AVENUE
                              NEW YORK, NY  10166


Securities and Exchange Commission
Judiciary Plaza
450 Fifth Street, NW
Washington, DC  20549


      24f-2 Notice - THE DREYFUS THIRD CENTURY FUND, INC.
      Registration Statement No. 2-40341 - CIK #030167

Gentlemen:

    On January 22, 1979, Post-Effective Amendment No. 15 to the Registration
Statement of The Dreyfus Third Century Fund, Inc. was declared effective by
the SEC.  The Amendment represented the Fund's election to register an
indefinite number of shares and this Notice, filed pursuant to Rule 24f-2, is
for the fiscal year ended May 31, 1995.


    The following information is furnished:

    (a)   Shares registered under Securities Act
          of 1933 other than pursuant to Section 24f(2)
          which remained unsold on 6/1/94:                         None

     (b)  Shares registered during fiscal year
          other than pursuant to Section 24f(2)

      Post-Effective Amendment No. 39 effective 11/30/94:       16,662,862
                                                             --------------

      Total of (a) and (b)                                      16,662,862
                                                             ==============


                                                  SHARES        DOLLAR AMOUNT

    (c)   Total number of shares sold during
          fiscal year ended 5/31/95 subject
          to registration under Rule 24f-2:     9,474,361     $ 68,296,100

    (d)   Less shares redeemed during
          fiscal year ended 5/31/95:           17,546,982      126,884,560
                                              ------------     --------------

    Net Sales During Fiscal Year [(c) - (d)]:   ( 8,072,621)    ($ 58,588,460)
                                               =============    ==============

    Less shares registered other than pur-
    suant to Section 24f(2)  [(a) + (b)]       16,662,862
                                              ------------

    Balance                                   (24,735,483)

                                         -2-


                                 CALCULATION OF FEE


    Since the shares redeemed exceed the shares sold, no registration fee is
required.  An opinion of counsel is enclosed.


                                                   Very truly yours,

FCD/ems
                                                   Frederick C. Dey
                                                   Assistant Treasurer
cc:  Mr. J. deMichaelis, SEC
     Ms. R. McLaughlin, E&Y