UNIVERSITY OF FLORIDA CY. 415.-Biochemistry. 2 hours and 3 hours laboratory. 3 credits. Pre- requisite: CY. 302. Offered 1. Lectures, assigned readings, and laboratory techniques on carbohydrates, proteins, lipids, colloids, enzymes and vitamins. CY. 416.-Industrial Chemistry. 3 hours. 3 credits. Prequisite: CY. 302. Offered 2. Industrial organic and inorganic procedures, involving the preparation on a commercial scale of acids, alkalies, fertilizers, petroleum products, etc., with emphasis on fundamental chemical principles involved. CY. 462.-Photographic Chemistry. 3 hours. 3 credits. Prerequisites: CY. 362-363, or CY. 302; college physics, or suitable photographic experience. Offered 2. Theory and practice of photographic processes and materials, and their uses. CY. 481.-Chemical Literature. One-half hour or its equivalent. 1/ credit. Prerequisite: 3 years of chemistry. A reading knowledge of French and Ger- man is desirable. Offered 1. The present sources of published chemical information. CY. 482.-Chemical Literature. One-half hour or its equivalent. /2 credit. The second half of the course CY. 481-482. Offered 2. GRADUATE COURSES Prerequisites: The following courses or their equivalents: General Chemistry (in- cluding qualitative analysis)-eight semester hours; Analytical Chemistry-eight semester hours; Organic Chemistry-eight semester hours; Physical Chemistry-eight semester hours; Chemical Literature-one semester hour. Any deficiency in the prerequisites must be satisfied as soon as possible after entering the Graduate School. New graduate students should report immediately to the Head of the Department for special instructions with respect to registration and accreditation of work. All graduate students are expected to attend appropriate seminars. Certain of the courses listed are offered each year while others are offered as re- quired. For the complete listing of graduate courses for a given semester, the student should consult the Schedule of Courses for that semester. CY. 501.-Organic Preparations. 9 hours laboratory or its equivalent. 3 credits. Offered 1. CY. 502.-Structural Inorganic Chemistry. 3 hours or its equivalent. 3 credits. Structure, valency, molecular association and stereochemistry of inorganic com- pounds. CY. 504.-Inorganic Preparations. 9 hours laboratory or its equivalent. 3 credits. Laboratory work involving preparation of typical inorganic compounds in addition to collateral reading and discussion. A reading knowledge of French and German is desirable. The statement "Offered 1" means offered first semester; 2, second semester; 3, summer session.