This is an important contribution to the field of bone surgery. Too much is claimed for the bone graft as a therapeutic agent. Operations in which a transplant is used have been devised and recommended for conditions in which perfectly satisfactory results can be obtained by simpler methods. The impression is conveyed that almost every case treated by the author's methods will terminate successfully, whereas no evidence is given that some of his operations have as yet been performed on man. More clinical experience must be forthcoming before these measures can be accepted so unreservedly.
The first of the eight chapters deals with the fundamental principles underlying the use of the bone graft. The views are given of various workers as to the part played by the periosteum, compact bone and endosteum. The transplant should consist of all three layers and be inserted by the inlay method so that they