FIRST CHICAGO <FNB> UNIT BUYS BANKS
  First Chicago Corp's American National
  Bank unit said it completed the acquisition of four suburban
  Chicago banks with combined assets of about 231 mln dlrs.
      The banks are National Bank of North Evanston, Elgin
  National bank, First National Bank of Schiller Park and
  Merchants and Manufacturers State Bank in Melrose Park.
      American National now owns nine banks.