EXHIBIT 23.1




                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS


     As independent public accountants, we hereby consent to the incorporation
by reference in this Registration Statement on Form S-3 of our report dated
February 3, 1998 included in XOMA Corporation's Form 10-K for the year ended
December 31, 1997, and to all references to our firm included in this
Registration Statement.

                                                   ARTHUR ANDERSEN LLP


San Francisco, California
November 5, 1998