UNIVERSITY OF FLORIDA PGY. 516.-The Literature of Pharmacognosy. 1 hour. 1 credit. Offered 2. Literature and source material of pharmacognosy, assigned readings. A reading knowledge of German is required. PGY. 521.-Special Problems in Pharmacognosy. 6 hours laboratory or field work. 2 credits. Offered 1. Identification, classification and qualitative determination of constituents and properties of drug plants; special experiments in the propagation, cultivation, harvesting and curing of native and exotic plants; field work in the collecting of drug plants native to Florida. Either half of the course may be taken for credit without the other half. PGY. 522.-Special Problems in Pharmacognosy. 6 hours laboratory or field work. 2 credits. The second half of the course PGY. 521-522. Offered 2. PGY. 525.-Drug Plant Analysis. 2 hours, with or without 6 hours lab- oratory and field work. 2 to 4 credits. Offered 1. Chemical constituents and their identification and determination in drug plants. PGY. 526.-Drug Plant Analysis. 2 hours, with or without 6 hours labora- tory and field work. 2 to 4 credits. The second half of the course PGY. 525- 526. Offered 2. PHARMACOLOGY Instructional Staff 1951-52 Voss, Elbert, Head; Fox, L. E., Freyburger, S. W., Gramling, L. G., Haskell, A. R. PLY. 363.-Applied Physiology. 3 hours, and 4 hours laboratory. 5 credits. Prerequisite: C-6. Offered 1. Fundamentals of gross human anatomy and histology, general physiology and the foundations of medical terminology. PLY. 364.-Pharmacology. 4 hours, and 4 hours laboratory. 6 credits. Prerequisite: PLY. 363. Offered 2. The mode of action, metabolism, toxicity and therapeutic uses of the official and the more important non-official drugs. Laboratory experiments include the more im- portant pharmacodynamic actions of many official drugs. PLY. 451.-Principles of Biologicals. 3 hours. 3 credits. Prerequisite: C-6, PGY. 221-222. Offered 1, 3. Theories of immunity, methods of production and standardization of toxins, anti- toxins, serums, vaccines, allergens and other immunizing biological products. PLY. 452.-Principles of Biologicals. 3 hours. 3 credits. Offered 2. Gland products and vitamins with reference to action, standardization and uses. PLY. 455.-New Remedies. 2 hours, and 2 hours laboratory. 3 credits. Prerequisite: PHY. 353. Offered 1, 2. The most important non-official remedies currently found in modern prescription practice and over-the-counter sales. More than twelve hundred remedies are available for study. PLY. 456.-New Remedies. 2 hours, and 2 hours laboratory. 3 credits. The second half of the course PLY. 455-456. Offered 2, 3. The statement "Offered 1" means offered first semester; 2, second semester; 3, summer session.