by Harbans S. Takulia, Carl E. Taylor, A. Prakash Sangal, and Joseph D. Alter. xi + 76 pages, illustrated. The Johns Hopkins Press, Baltimore, Maryland. 1967. $3.50
by Oscar Felsenfeld, M.Sc., M.D., Chief, Division of Communicable Diseases, Tulane University, Delta Regional Primate Research Center; Adjunet Professor of Microbiology, Tulane University School of Medicine; Consultant in Cholera, World Health Organization. xii + 165 pages, illustrated. Warren H. Green, Inc., St. Louis, Missouri. 1967. $7.25
edited by S. M. Herschdoerfer, T. Wall & Sons (Ice Cream) Limited, London, England. xiv + 385 pages, illustrated. Academic Press, London and New York. 1967. $16.00