ARTHUR ANDERSEN LLP

                                                                 Exhibit 23.1

                          CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

As independent public accountants, we hereby consent to the use of our 
reports (and to all references to our firm) included in or made a part of 
this registration statement.

                                                    /s/ Arthur Andersen LLP



                                                        ARTHUR ANDERSEN LLP


Boston, Massachusetts
August 28, 1998