The Psittacosis Group as Bacteria, by James W. Moulder, Ph.D., Professor of Microbiology and Chairman of the Department, University of Chicago; Editor, Journal of Infectious Diseases. 95 pages, illustrated. John Wiley & Sons, Inc., New York. 1964. $4.00.

The Microscopical Diagnosis of Human Malaria. I. A Morphological Study of the Erythrocytic Parasites in Thick Blood Films, by John W. Field, Senior Medical Officer, Malacca Agricultural Medical Board; former Director, Institute for Medical Research, Federation of Malaya; A. A. Sandosham, Senior Malaria and Filariasis Research Officer, Institute for Medical Research; former Professor of Parasitology, University of Malaya, Singapore; and Yap Loy Fong, Senior Laboratory Technician, Division of Malaria and Filariasis Research, Institute for Medical Research, Federation of Malaya. Second edition, xiii + 236 pages, illustrated. Studies from the Institute for Medical Research, Federation of Malaya, No. 30. The Economy Printers Ltd., Kuala Lumpur, Malaysia. 1963. $4.00.