edited by W. H. R. Lumsden, R. Muller, and J. R. Baker. xii + 415 pages, illustrated. Academic Press, 111 Fifth Avenue, New York, New York 10003. 1979. $53.00
by Lawrence R. Ash and Thomas C. Orihel. xi + 184 pages, illustrated. American Society of Clinical Pathologists, Educational Products Division, 2100 West Harrison Street, Chicago, Illinois 60612. 1980. $45.00
edited by John I. Bruce and Santasiri Sornmani. xiv + 282 pages, illustrated. Supplement 2. Malacological Review. P.O. Box 420, Whitmore Lake, Michigan 48189, U.S.A. 1980. $26.00
edited by H. Stoenner, W. Kaplan, and M. Torten. Volume I, 643 pages; Volume II, 568 pages, illustrated. CRC Press, Inc., 200 N.W. 24th Street, Boca Raton, Florida 33431. 1980. $69.95 per volume
