This author has, in most respects, merely expanded the material presented in the accompanying laboratory guide, which is the outgrowth of many years of experience in teaching physiology to dental students. In that respect, it is on a soundly conservative basis. No one can take issue with the factual material presented. The textual material, however, is presented in a too elementary manner. Illustrations are good, many obviously prepared from original material. After each chapter there is a list of questions bearing on the chapter contents. The book should be excellent for high school students or college freshmen. Dental students should be able to digest a more adult diet.
The laboratory guide, in contrast, could be used even for medical students. Directions and illustrations are apt, concise and well composed and the material well selected, except, perhaps, some of the experiments on chemical reactions, which are rather elementary. Also experiments on