July 31, 2015

Securities and Exchange Commission

Office of Filings and Information Services

100 F Street, NE

Washington, DC  20549

Re:     The Dreyfus Third Century Fund, Inc.

          File No.: 811-2192

Dear Sir or Madam:

          Transmitted for filing is Form N-CSR for the above-referenced Registrant for the Annual period ended May 31, 2015.

          Please direct any questions or comments to the attention of the undersigned at (212) 922-6906.

                                                          Very truly yours,

/s/ Elyse Cardona

                                                          Elyse Cardona

                                                          Paralegal

EC/

Enclosures