HISTOLOGY. Roy 0. Greep, Ed. New York, Blakiston, 1954. 953 pp., 648 figs., $15.00. This massive textbook of histology marks a new departure from the usual text. It began as a sixth edition of the text by Bremer and Weatherford and ended as a completely new book, both as to text and as to most of the illustrations. In addition, the chapters have been written by thirteen different contributors, ...