J. & W. Seligman & Co.
                                  Incorporated



                                                  May 1, 2001


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

Re:   Seligman Portfolios, Inc. (the "Fund") on behalf of its:
        Seligman Capital Portfolio
        Seligman Communications and Information Portfolio
        Seligman Frontier Portfolio
        Seligman Global Technology Portfolio
        Seligman Small-Cap Value Portfolio
           (the "Portfolios")
      Post-Effective Amendment No. 28
      File Nos.  33-15253 and 811-5221

Dear Sir or Madam:

     Pursuant to Rule 497(j) under the  Securities Act of 1933, I hereby certify
that  the  individual   Prospectuses   and  combined   Statement  of  Additional
Information for the Fund and each of its Portfolios,  that would have been filed
pursuant  to Rule 497(c) do not differ from those  contained  in  Post-Effective
Amendment  No.  28 to the  Fund's  Registration  Statement  on Form  N-1A  filed
electronically with the Securities and Exchange Commission on April 27, 2001.

     If you have  any  questions,  please  do not  hesitate  to call me at (212)
850-1375.

                                                  Very truly yours,

                                                  /s/Jennifer G. Muzzey

                                                  Jennifer G. Muzzey
                                                  Legal Assistant
                                                  Law & Regulation
JGM/jgm

           100 Park Avenue o New York, New York 10017 o (212) 850-1864