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                                  EXHIBIT 23.1


                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS


As independent public accountants, we hereby consent to the incorporation of our
reports included in this Form 10-K, into the Company's previously filed
Registration Statements File Nos. 33-88298, 33-88300, 33-97094, 333-11651
and 333-21593.



                                                             ARTHUR ANDERSEN LLP

Boston, Massachusetts
September 26, 1997