This edition follows its predecessor by four years with a compendium of 13 articles covering those pediatric fields in which it is considered that significant progress in understanding or treatment has recently been made. The contributing authors are English with the exception of three American writers of two chapters. The following subjects are covered: changes in circulation at birth and the effects of anoxia, hematology of infancy, jaundice in the newborn, physical growth, hypothyroidism, spina bifida cystica, hydrocephalus of infancy, the nephrotic syndrome, tuberculosis, rheumatic fever, the deaf child, and pyogenic osteitis. Each of these small monographs gives either a complete résumé of the present investigational or therapeutic understanding in its field or a survey of newer approaches made, as in the case of childhood deafness. The chapters on hematology, jaundice of the newborn, and rheumatic fever are the most extensive and are full of practical, useful information. The section