f.r.c.s. Eng.; Medical Officer, Christs Hospital, London. Fourth Edition, 8vo. Pp. 327. Price 10s. 6d (H. K. Lewis, London.) This valuable monograph, on a subject of the first importance to Medical Officers of large Schools as well as to the general practitioner, has been entirely rewritten in the light of the latest available knowledge of the parasitology of the subject. Its bulk has grown con...