EXHIBIT 23.1

                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS



As independent public accountants, we hereby consent to the incorporation of our
reports  included  in this  Form  10-K,  into  the  Company's  previously  filed
Registration  Statement File Nos. 33-41371 and 33-51665. It should be noted that
we have not audited  any  financial  statements  of the  Company  subsequent  to
December 31, 1998 or performed  any audit  procedures  subsequent to the date of
our report.


Arthur Andersen LLP
San Francisco, California
March 26, 1998