COLBERT, E.D Evolution of the vertebrate: a history of the backbond animals through time Edwin H.Colbert - 2nd ed. - New Delhi Wiley Eastern 1970 - xvi,535p. 144p. of ill. ISBN: 23.00 Subjects--Topical Terms: VERTEBRATE EVOLUTION Dewey Class. No.: ZOO 591.38 / CEn70