A Key to the Skulls of North American Mammals
Stillwater: Oklahoma State University, 1965. Signed dedication by Bryan P. Glass to the front in ink. Illustrated pale green paperback covers, with green cloth spine. Front cover is age toned to the very edges. Copyright 1951, but this is stated as the seventh printing from 1965. Illustrated with over 100 b/w fascinating anatomical drawings. Clean inside. 53 pages. 280 x 215 mm (11 x 8½ inches).