EXHIBIT 23.1
 
                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS
 
     As independent public accountants, we hereby consent to the use of our
report and to all references to our Firm included in or made a part of this
Amendment No. 1 to Form S-4 registration statement (File No. 333-32863).
 
                                             ARTHUR ANDERSEN LLP

Philadelphia, Pennsylvania
September 17, 1997