192 / FIELDS OF INSTRUCTION HY 649-UNITED STATES, DIVISION AND REUNION. 4 credits From the War with Mexico to 1877. HY 650-THE EMERGENCE OF MODERN AMERICA. 4 credits From 1877 to the entrance of the U.S. into World War I. HY 651-RECENT AMERICA. 4 credits From U.S. entrance into World War I to U.S. entrance into World War II. HY 660-AFRICA. 4 credits May be repeated with change of content up to a maximum of 12 credits. HY 670-HISTORICAL LITERATURE OF LATIN AMERICA 1. 4 credits HY 671-HISTORICAL LITERATURE OF LATIN AMERICA 2. 4 credits Continuation of HY 670. HY 672-BRAZIL. 4 credits May be repeated with change of content up to a maximum of 12 credits. HY 673-SPANISH AMERICA. 4 credits May be repeated with change of content up to a maximum of 12 credits. HY 681-READINGS IN CHINESE HISTORY. 4 credits HY 682-READINGS IN JAPANESE HISTORY. 4 credits HY 697-SUPERVISED RESEARCH. 1 to 5 credits Credit not applicable toward degree. May be repeated. HY 698-SUPERVISED TEACHING. 1 to 5 credits Credit not applicable toward degree. May be repeated. HY 699-MASTER'S RESEARCH. 0 to 17 credits. Maximum 30 credits HY 700-COMPARATIVE HISTORY. 4 credits May be repeated with change of content up to a maximum of 12 credits. HY 799-DOCTORAL RESEARCH. 1 to 17 credits IMMUNOLOGY AND MEDICAL MICROBIOLOGY (College of Medicine) GRADUATE FACULTY 1971-72 SMALL, P. A., JR., Chairman; AYOUB, E. M.; BAER, H.; BILLEN, D.; CENTI- FANTO, Y. M.; CLEM, L. W.; CRANDALL, R. B.; CUSUMANO, C. L.; GIFFORD, G. E.; MANS, R. J.; McGUIGAN, J. E.; MOSCOVICI, C.; ROSEN, I. G.; SANDERS, W. E., JR.; SHANDS, J. W., JR.; SUTER, E.; WALDMAN, R. H. Graduate Coordinator: G. E. GIFFORD The Department of Immunology and Medical Microbiology offers a pro- gram leading to the Master of Science and Doctor of Philosophy degrees in microbiology, including the field of parasitology. Through individual planning of course work, research, and teaching, the graduate student is offered an edu- cational atmosphere to help him develop certain skills and gain intellectual in- dependence and initiative. The program is in close collaboration with the Department of Microbiology in the College of Arts and Sciences. The undergraduate preparation for graduate study in microbiology should be wide in scope and should include general biology, physics, chemistry (2 to 3 years, including organic and quantitative analysis), and preferably sta- tistics, calculus, physical chemistry, genetics, and bacteriology. A bachelor's