As a pediatrician von Jaschke must be a consummate gynecologist. How daring the obstetrician who contributes a comprehensive monograph on the new-born! If the study of the new-born is an avocation with the author, he must address himself to his major interest with frenzied zeal. Here is a masterly monograph prepared with detailed thoroughness and enriched by painstaking photographs, diagrams and charts. Such a product of the obstetric services in American institutions would justifiedly endanger the back to the pediatrician movement, which aims to deliver the new-born into the figurative arms of the expectant pediatrician. Von Jaschke discusses the physiology, care and feeding of the new-born, the premature and debilitated infant, and nutritional disturbances of the breast-fed from the Robin-Magitot folds and Bohn's nodes to the chemistry of "witch's milk." It is indicative of the minute detail of the work to mention that spinal fluid considerations happen to be omitted.