Second edition, by Ruth Leventhal and Russell F. Cheadle. xii + 193 pages, illustrated. F. A. Davis Company, 1915 Arch Street, Philadelphia, Pennsylvania 19103. 1985. $24.95
edited by W. W. Holland, R. Detels, and G. Knox. xii + 280 pages, illustrated. Oxford University Press, 200 Madison Avenue, New York, New York 10016. 1985. $37.50
edited by the International Association of Biological Standardization. xii + 430 pages, illustrated. S. Karger AG, P.O. Box Ch-4009 Basel, Switzerland. 1984. $72.00
edited by J. J. Lee, S. H. Hutner, and E. C. Bovee. ix + 630 pages, illustrated. Society of Protozoologists, 1041 New Hampshire Street, P.O. Box 368, Lawrence, Kansas 66044. 1985. $80.00 nonmembers; $60.00 members
WHO Technical Report Series No. 719, by the World Health Organization. 116 pages. The World Health Organization, 1211 Geneva 27, Switzerland. 1985. $4.50
