Editore: London: The Systematics Association, . First edition., 1967
Da: Natural History Books, Iowa City, IA, U.S.A.
Condizione: A near fine copy. Pp. vi, 336, numerous text-figures and distribution maps. Publisher's original tan printed wrappers, sm 8vo. From the Systematics Association, An Association for the Study of Systematics in Relation to General Biology and Evolution, Publication No. 7, C. G. Adams & D. V. Ager (editors). No ownership marks and no signs of use.