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                                                                      EXHIBIT 23
 
                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS
 
     As independent public accountants, we hereby consent to the incorporation
of our report dated January 27, 1999 included in this Form 10-K, into the
Company's previously filed Registration Statements File No. 333-16905,
333-22749, 333-49057.
 
                                            ARTHUR ANDERSEN LLP
 
Boston, Massachusetts
March 30, 1999