[ARTHUR ANDERSEN LETTERHEAD]


                                                                 Exhibit 23.1

                  CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS


As independent public accountants, we hereby consent to the incorporation
of our report included in this Annual Report on Form 10-K, into the Company's
previously filed registration statements on Form S-8 (File No.'s 333-09305
and 333-89707).


                                                     /s/ Arthur Andersen LLP


Boston, Massachusetts
March 29, 2000