by D. N. Roy, M.D., D.T.M., D.Sc., Director and Professor of Medical Entomology, School of Tropical Medicine, Calcutta (Retd.), In-charge of the Department of Medical Entomology & Biology, Indian Institute for Medical Research, Calcutta; and A. W. A. Brown, M.B.E., Ph.D., Professor and Head of the Department of Zoology, The University of Western Ontario, London, Canada. 2nd edition: 413 pp., illustrated. Calcutta: Excelsior Press, 1954. Price $s.30, 45s., $8