158 / FIELDS OF INSTRUCTION ZOO 5315C-Natural History of the Caribbean Area (4) A consideration of various components of the fauna of the Antilles, evaluating the influences of geological history and climate on their evolutionary histories. ZOO 5405C-The Physiology of Marine Animals (3) Prereq: organic chemistry, general physics, ZOO 3203C. Functioning and interrelationships of marine animals considered from the standpoint of comparative physiology. ZOO 5458-Fish Physiology (3) Prereq: functional vertebrate anatomy and animal physiology or consent of instructor. A consideration of the general and unique functions of organs and organ systems of the fish-like vertebrates. ZOO 5486C-Mammalogy (4) Prereq: ZOO 3303C. ZOO 5718-Morphometrics (3) Prereq: PCB 4044C, 4675, STA 3024, or equivalents. Quantitative methods of morphological analysis, with applications in ecological, evolutionary, and physiological biology. Multivariate techniques emphasized. ZOO 5939-Seminar in Morphology (2; max: 9) Prereq: consent of instructor. Advanced topics in the description, analysis and evolution of animal form. ZOO 6117-Vertebrate Paleoecology (3) Prereq: basic knowl- edge of ecology and paleontology. Paleoecological analysis of fossil vertebrate assemblages. Interpretation of fossil data as a basis for paleocommunity and paleoehvironmental studies. ZOO 6207C-Advanced Invertebrate Zoology (4) Prereq: ZOO 3203C. Morphology, physiology, development, and life cycles of selected invertebrate groups, with emphasis on the minor phyla. ZOO 6416C-Biology of the Amphibia (4) Prereq: ZOO 3303C. Evolution, morphology, physiology, and behavior of amphibi- ans. ZOO 6456C-Ichthyology (4) Prereq: ZOO 3303C ZOO 6466C-Biology of the Reptilia (4) Prereq: ZOO 3303C. Systematics, life cycles, and behavior of reptiles. ZOO 6477-Birds of World (Lower Orders) (2) Survey of orders and families of non-passerine birds. ZOO 6478-Birds of World (Passeriformes) (2) Survey of orders and families of passerine birds.' ZOO 6506C-Ethology (4) Prereq: ZOO 3513C, graduate stand- ing or consent of instructor. History, concepts, and methods of the comparative study of animal behavior. Theevolution, mecha- nisms, and classification of behavior. ZOO 6816-Zoogeography (2) ZOO 6857C-Advanced Tropical Zoology (8) Vertebrate or invertebrate group selected as basis for studies of ecological systems in the tropics. Effects of elevation and temperatures on populations, successions, microhabitat, distribution, predation, evolution, and other aspects. Offered in Costa Rica as part of the program of the Organization for Tropical Studies. ZOO 6905-Individual Studies (1-8; max: 12) ZOO 6910-Supervised Research (1-5; max: 5) S/U. ZOO 6927-Special Topics in Zoology (1-4; max: 9) ZOO 6939-Seminar in Animal Behavior (1-3; max: 9) Prereq: PCB 5415C or consent of instructor. Special behavioral topics. ZOO 6940-Supervised Teaching (1-5; max: 5) S/U. ZOO 6943-Internship in College Teaching (2, 4, 6; max: 6) Primarily for Master of Science in Teaching students butavailable for students needing additional practice and direction in college- level teaching. ZOO 6971-Research for Master's Thesis (1-15) S/U. ZOO 7979-Advanced Research (1-9) Research for doctoral students before admission to candidacy. Designed for students with a master's degree in the field of study or for students who have been admitted for a doctoral program. Not open to students who have been admitted to candidacy. S/U. ZOO 7980-Research for Doctoral Dissertation (1-15) S/U.