By Charles Franklin Craig, M.D., M.A. (Hon.), F.A.C.S., F.A.C.P., Col., U. S. Army (Retired), D.S.M., Professor of Tropical Medicine in The Tulane University of Louisiana, New Orleans, Louisiana and Ernest Carroll Faust, M.A., Ph.D., Professor of Parasitology in the Department of Tropical Medicine, The Tulane University of Louisiana, New Orleans, Louisiana. Octavo, 733 pages, illustrated with 243 engravings. Lea and Febiger, Philadelphia, Pa