Books Received

Laboratory Technique for the Study of Malaria, by Percy G. Shute, M.B.E., F.R.E.S., and Marjorie E. Maryon, F.R.E.S., foreword by Sir Gordon Covell, C.I.E., M.D., D.P.H. 1st edition, 86 + x pages, illustrated. London, W.I., J.&A. Churchill Ltd., 1960. 10s. 6d.

Inmuno Biologia de la Equinococosis (A Monograph), by Carlos Perez Del Castillo. 71 pages. Montevideo, Uruguay, Imprenta Nacional, 1960.

Polypeptides which Affect Smooth Muscles and Blood Vessels (A Symposium), M. Schachter, M.D., Sc.D., University College, London, Ed'r. 336 + xv pages, illustrated. New York, N. Y., Pergamon Press, Inc., 1960. $8.50.

Clinical Tropical Diseases, by A. R. D. Adams and B. G. Maegraith. 2nd edition, 540 + x pages, illustrated. Oxford, England, Blackwell Scientific Publications, Ltd. (Charles C Thomas, Springfield, Ill., U. S. agents), 1960. $11.50.

Medicinal Plants of the Arid Zones. UNESCO. 96 pages, map. Paris, UNESCO (Columbia University Press, 2960 Broadway, New York 27, N. Y., U. S. agents), 1960. $3.00.