Mayer. Ehrlich Carazzi Heidenhain Weigert Gill. Dr. Ian Montgomery, Histotechnology, Graham Kerr Building, Institute of Biomedical & Life Sciences, University of Glasgow, Glasgow, G12 8QQ. Tel: 0141 339 8855 Office: 4652 Lab: 6644. Pager: 07625 702883 e-mail: ian.montgomery <@t> bio.gla.ac.uk