Book Review Food and the Principles of Dietetics . By Robert Hutchinson, M.D. Edin., F.R.C.P., Assistant Physician to the London Hospital and to the Hospital for Sick Children, Great Ormond Street; Author of "Lectures on Diseases of Children," "Patent Foods and Patent Medicines," joint author of "Clinical Methods." With plates and diagrams. Revised edition. New York: William Wood & Co. 1906.