Marshall's Physiology of Reproduction

A very welcome third edition of this superb British text has finally been delivered after too-prolonged a labor (the second edition appeared in 1922). Written by eight distinguished contributors under the editorship of Dr. Parkes, this work is at once the most readable and comprehensive treatment of the endocrinology of mammalian reproduction extant. It was the stated aim "not to skim off the surface of current knowledge, but to present knowledge in the perspective of its past development and probable future." And this they did. They recount with clarity the crucial early experiments on which the field rests. Confirming and contrary evidence is reviewed and the reader's insight grows with the field. The work was not intended to be a "Recent Progress in—"; it was, rather, the hope that "although the book will cease to be up-to-date, it will not get out of date." Hence, to cite specific omissions of