The anatomy of the nervous system. Its development and function. Ninth edition. By Stephen Walter Ranson, M.D., Ph.D., Late Professor of Neurology and Director of Neurological Institute, Northwestern University Medical School, Chicago. Revised by Sam Lillard Clark, M.D., Ph.D., Professor of Anatomy, The Vanderbilt University School of Medicine, Nashville. 581 pp. with 434 illustrations, 18 in color. Philadelphia and London: W. B. Saunders Company. 1953. Price $8.50. ( Reviewed by Gerhardt von Bonin.)