[LETTERHEAD OF ARTHUR ANDERSEN LLP APPEARS HERE]


                                  EXHIBIT 23.4


                   Consent Of Independent Public Accountants
                   -----------------------------------------



As independent public accountants, we hereby consent to the incorporation by
reference in the Boston Life Sciences, Inc. Form S-3 registration statement of
our report dated February 24, 1995 (except with respect to the matters discussed
in Note 12, as to which the date is June 15, 1995) included in the Greenwich
Pharmaceuticals Incorporated's Form 10-K, as amended, for the three years in the
period ended December 31, 1994 and to all references to our Firm included in
this registration.



/s/ Arthur Andersen LLP

ARTHUR ANDERSEN LLP

Philadelphia, PA
July 26, 1996

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