Aids to practical pathology. By F. W. W. Griffin, M.A., M.D., B.C. (Cantab.), M.R.C.S. (England), L.R.C.P. (London), Assistant Pathologist, Virol Pathological Research Laboratories. Late Capt. R. A. M. C. Pathologist, formerly Tuberculosis Officer, County of Surrey, etc., and W. F. M. Thompson, Cheif Technical Assistant, Virol Pathological Research Laboratories, etc. 246 pp. and 8 illustrations. Cloth, $1.50. New York, William Wood and Co., 1923