1
                                                                    EXHIBIT 23.1

                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

As independent public accountants, we hereby consent to the incorporation of our
reports in this Form 10-K, into the Company's previously filed Registration
Statements on Form S-8 (file Nos. 333-15467, 333-30223, 333-47437 and
333-72083). It should be noted that we have not audited any financial statements
of the Company subsequent to June 30, 1999.


                                             ARTHUR ANDERSEN LLP

Boston, Massachusetts
September 10, 1999