Arts, Letters and Science — Zoology Arts, Letters and Science — Zoology at least two basic courses in the life sciences. Algebra and organic chemistry strongly recommended. A W S Su (5) 332. Cytology—Intracellular morphology and subcellular organization of the cell. Two lectures and two 3-hour laboratory periods a week. Prerequisites: Beginning courses in the life sciences; Chemistry 311 series recommended. S (4) LS342. Natural History—Biology of local representative fauna and flora. Three lectures and one 3-hour laboratory period a week. Prerequisites: Botany 110 or 112; Zoology 160, 211 or 212. Su (4) 347. Zoogeography—Principles controlling the distribution of animals with emphasis on the vertebrates of North America. Three lectures a week. Prerequisites: General courses in Zoo- logy. A (3) 372. Organic Evolution—Principles underlying the development of life. Four lectures a week. Prerequisite: First courses in Life Sciences. W (4) LS380. History of the Life Sciences—Men and ideas in the development of biology. Three lectures a week. Prerequisite: First courses in Life Sciences. (Offered alternate years.) W (3) 381. Teaching Methods in the Life Sciences—Acquaintance with the various methods and curriculum developments of high school biology with emphasis on BSCS. Three lectures and one 3-hour laboratory period a week. It is recommended that this course be completed before student teaching. A (4) 405. Comparative Vertebrate Anatomy—Structure of representative types. Two lectures and three 3-hour laboratory periods a week. Prerequisite: A general course in Zoology. W (5) 410. Vertebrate Embryology—Development of representative types. Three lectures and two 3-hour laboratory periods a week. Prerequisite: A general course in Zoology. S (5) 412. Histology—The study of vertebrate tissues. Identification and association with the main organs emphasized. Three lectures and two 3-hour laboratory periods a week. Prerequisite: Zoology 160 or equivalent. (Offered alternate years.) A (5) 420. Cellular Physiology—Metabolic activities of animals on cellular level. Three lectures and two 3-hour laboratory periods a week. Prerequisites: Courses in Zoology, Botany, or Microbiology, and a minimum of one year in Chemistry (preferably the 311 series). S (5) 421, 422. Mammalian Physiology—A two-quarter study of vetebrate physiological processes on the organ level. Three lectures and two 3-hour laboratory periods a week. Prerequisites: Previous courses in Zoology and a minimum of one year of Chemistry (preferably 311 series). Zoology 422 cannot be taken without Zoology 421. A W (5-5) 423. Endocrinology—The study of the function of neural and hormonal mechanisms of biological control in animals, with emphasis on the human organism. Four lectures and one 3-hour laboratory period a week. Prerequisite: Zoology 420 or 421. S (5) 425. Radiation Biology—Training in theory and practical application of radioactive tracer techniques to biological problems. Prerequisites: Beginning courses in Life Sciences, Chemistry and Physics. Two lectures and two 3-hour laboratory periods a week. W (4) 445. Animal Ecology—Ecological principles and concepts of animals living in natural environment. Three lectures and one 3-hour laboratory period or field trip a week. Prerequisites: Zoology 211 or 160, 213, Botany 110 or 364 or by permission of instructor. S (4) 447. Wildlife Ecology—Principles of wildlife ecology and the skills of wildlife analysis and manipulation. Three lectures and one 3-hour laboratory period, or on-the-job training sequence, a week. Prerequisites: Botany 363 or 364; Zoology 160 or 211 and 212. (Offered alternate years.) A (4) 448. Aquatic Ecology—The interaction of physical and bio tic factors in aquatic communities with emphasis on their influence on animals, particularly fishes and other vertebrates. Three lectures and one 3-hour laboratory period or field trip a week. Prerequisites: Botany 110 or 364; Zoology 160, 211 or 212. (Offered alternate years.) A (4) 450. Parasitology—Internal parasites of man and domestic animals, their structure and biology. Three lectures and two 3- hour laboratory periods a week. Prerequisite: General courses in Zoology. (Offered alternate years.) W (5) 455. Medical Entomology—The bionomics and control of arthropods affecting the health of man. Three lectures and one 3-hour laboratory period a week. Prerequisite: Zoology 464, or by permission of instructor. (Offered alternate years.) W (4) 460. Protozoology—Structure, taxonomy and biology of the one-celled animals. Three lectures and two 3-hour laboratory 202 203