A Textbook of Pharmacognosy

Seventh Edition. BY GEORGE EDWARD TREASE, B. Pharm., D. de ľU., F.P.S., F.R.I.C., F.L.S., Professor of Pharmacognosy, Director of Pharmaceutical Studies and Head of the Department of Pharmacy in the University of Nottingham, Joint author of “The Chemistry of Crude Drugs.” Cloth $5.50. Pp. 808, with 256 illustrations. The Williams and Wilkins Company, Baltimore, 1957.

By JÜRGEN THORWALD. Cloth $5.05. Pp. 432, with 66 illustrations. Pantheon Books Inc., 333 Sixth Avenue, New York 14, N. Y., 1956 and 1957.