It is difficult to imagine any physician so industrious as to be able adequately to keep up with all the advances which are made in medical science each year, no matter how systematically he uses his time. This is true of each branch of medicine, but especially true of internal medicine. Much of an internist's daily work is concerned with normal physiologic function and with deviations from normal function. Hence, a volume which furnishes him with a critical summary of a year's work in this field is especially welcome and fills a definite need.
The present volume is edited by a committee of the American Physiological Society, composed of men who are especially well qualified to select those contributions worthy of comment and to prepare each of the twenty-three sections devoted to particular fields of physiology. The bibliographic references are complete, and there are adequate author and subject indexes. The