Author: JOE T. MARSHALL
Title: Parallel Variation in North and Middle American Screech-Owls
Description: USA, Western Foundation of Vertebrate Zoology. 1967. Soft cover, 4to - over 9¾ - 12" tall. Book, 72pp paperback, bw plates, few marks to covers good (Monographs of the Western Foundation of Vertebrate Zoology, No. I). Good.

Keywords: natural history