Book Review A Manual of Organic Materia Medica and Pharmacognosy, an Introduction to the Study of the Vegetable Kingdom and the Vegetable and Animal Drugs . (With syllabus of inorganic remedial agents.) Comprising The Botanical and Physical Characteristics, Source, Constituents, Pharmacopeial Preparations, Insects Injurious to Drags, and Pharmacal Botany. By Lucius E. Sayre, B.S., Ph.M., Dean of the School of Pharmacy; Professor of Materia Medica in the University of Kansas; Member of the Committee of Revision of the United States Pharmacopeia; Director of Drag Laboratory for State of Kansas. Fourth edition, revised. With 302 illustrations, the majority of which are from original drawings and photomicrographs. Philadelphia: P. Blakiston's Son and Company.