PROSPECTUS SUPPLEMENT
TO PROSPECTUS DATED MAY 8, 1998
The information appearing under the caption "Selling Holders" located on page 20
of the Prospectus is amended by adding to the table included therein the
following:
<TABLE>
<CAPTION>
Number of Number of
Preferred Shares Preferred Shares
Name of Selling Holder Beneficially Owned That May Be Sold
<S> <C> <C>
Citizen Insurance of America........ 70,000 70,000
Hanover Insurance................... 70,000 70,000
</TABLE>
The date of this Prospectus Supplement is June 5, 1998.