EXHIBIT 23



                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS



As independent  public  accountants,  we hereby consent to the  incorporation by
reference of our report,  dated January 17, 2001, except with respect to matters
discussed in Note Q, as to which the date is February 7, 2001,  included in this
Form 10-K, into the Company's previously filed Registration  Statement File Nos.
33-79398,  33-79396,  33-94792,  33-94770,  333-05621,   333-28955,   333-28957,
333-58023, 333-58021, 333-83639, 333-38482, 333-41986, and 333-50100.





/s/ Arthur Andersen LLP
-----------------------
    Arthur Andersen LLP


Boston, Massachusetts
March 23, 2001