by G. P. Holland. Memoirs of the Entomological Society of Canada No. 61. 77 pages, illustrated. The Entomological Society of Canada, Ottawa. 1969. No price
eighth edition, by Ernest C. Faust, Paul F. Russell, and Rodney C. Jung. vii + 890, illustrated. Lea and Febiger, 600 Washington Sq., Philadelphia, Pennsylvania 19106. 1970. $25.00
International Series of Monographs in Pure and Applied Biology, Modern Trends in Physiological Sciences, Volume 29, by Marcel Leclercq, trans. G. Lapage. xviii + 158 pages, illustrated. Pergamon Press, Oxford. 1969. $8.00
edited by Melvin A. Benarde, Department of Community Medicine, Hahnemann Medical College and Hospital, Philadelphia. 466 pages, illustrated. Marcel Dekker, Inc., 95 Madison Avenue, New York, N. Y. 10016. 1970. $24.50
by Peter Jordan, Director, Research and Control Department, Ministry of Health, St. Lucia, and Gerald Webbe, Reader in Parasitology, London School of Hygiene and Tropical Medicine. 212 pages, illustrated. Charles C Thomas, Publisher, Springfield, Illinois. 1969. $8.75