EXHIBIT 23
                                                                                

                                                                                
                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS
                                        
As independent public accountants, we hereby consent to the incorporation of our
report dated February 12, 1998, included in this Form 10-K, into the Company's
previously filed Registration Statements on Form S-8, File Nos. 33-80436, 33-
94268, 33-94284.


 

                                               /s/ Arthur Andersen LLP
                                               ARTHUR ANDERSEN LLP    
                                                 
                        
Boston, Massachusetts   
March 18, 1998