Physiological Mechanisms of Marine Pollution Toxicity. Edited by W. B. Vernberg, A. Calabrese, F. P. Thurberg and F. J. Vernberg, Academic Press, New York, 1982, 564 pp., $45.00. Echolocation in Whales and Dolphins. P. E. Purves and G. E. Pilleri (1983) Academic Press, London, 261 pp. $44.00 Global Marine Pollution Bibliography: Ocean Dumping of Municipal and Industrial Wastes by M. A. Champ and P. Kilho Park, IFI/Plenum New York-Washington-London, 1982, 420 pp, $69.50