Williams Obstetrics.

The new (tenth) edition of "Williams Obstetrics," prepared by Nicholson J. Eastman, is a worthy successor to the previous editions of this classic text. The subject matter has been slightly rearranged, to advantage, and has been extensively revised to include many fundamental contributions which have been made since the last edition in 1945. Most of the sections dealing with the newborn child have been completely rewritten and include many important additions. Notable among these is the discussion of hemolytic disease of the newborn, which presents a detailed and most lucid discussion of modern concepts of Rh incompatibility. The sections dealing with prematurity, the normal newborn, and injuries sustained by the infant during labor have been similarly extended. Other sections which have been entirely rewritten, and which present full discussion of recent advances, are those dealing with toxemia of pregnancy, the endocrine glands, the estimation of pelvic capacity, the forces concerned