The authors review all types of scoliosis, laying emphasis on respiratory insufficiency, and discuss the postural, rachitic, congenital and paralytic types. An excellent chapter is devoted to the technic of examination, giving valuable details as to measurements and the taking of records. Differential diagnosis is then considered, and from this point of view such conditions as congenital elevation of the scapula, paralysis of the shoulder muscles, and Pott's disease are given close attention. The authors take great pains to go into the symptomatology of attitudinal, symptomatic, hysterical and other types, and to contrast them with the true or structural scoliosis, without adding anything particularly new to it but with a very clear and comprehensive view of the matter. The greatest value of the book lies in the chapter on treatment. Next to hygienic measures, considerable attention is given to the physiotherapeutic side of the treatment. Gymnastics, such as active shoulder