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, 1997 or performed any audit procedures subsequent to the date of
our report.


Arthur Andersen LLP
San Francisco, California
March 26, 1998