The Bacteriological Examination of Food and Water. By W. G.
Savage.—Isolation Hospitals. By H. Franklin Parsons. (Cambridge University Press. 7s. 6d. net and 12s. 6d. net.)— These admirable monographs form the second and third volumes of the "Cambridge Public Health Series," which promises to be of the greatest service to all students of this branch of applied science. Dr. Savage's book fills a widely felt want, by providing a really practical manual of a subject of immense usefulness in the daily life of the medical officer, The late Dr. Parsons had a very wide experience, in his official career under the Local Government Board, of the fight against infectious diseases, and the fruit of his life-work is here garnered for general instruction.