The Internal Secretions of the Ovary.

The physiology of the ovaries and related organs is at present an active, growing point in biology and medicine, not only from the point of view of general interest but also from the point of view of factual progress. The present monograph by one of the noteworthy experimental workers in the field is therefore exceedingly welcome, as the monograph is a reliable and objective review of most of the literature to date. Among the numerous chapters on the various aspects of ovarian secretions is one on the relation of the anterior pituitary body to ovarian function. Strangely enough, there is little or nothing on the thyroid to ovarian function. The author suggests the name of "oestrin" for the ovarian hormone that initiates or controls the estrual cycle. The book will take a significant place in standard scientific works in the endocrine field and is equally useful and valuable to laboratory