M. J. Benton (ed.) 1988. The Phytogeny and Classification of the Tetrapods. Volume 1: Amphibians, Reptiles, Birds. Volume 2: Mammals. The Systematics Association Special Volumes 35A, 35B. x + 377 pp., x + 329 pp. Published for the Systematics Association by Clarendon Press, Oxford. Price £50.00, £45.00 respectively (hard covers). ISBN 019 857705 2, 019 857712 5 respectively.