Key points are not available for this paper at this time.
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.
HOLADAY et al. (Thu,) studied this question.