01052cam a2200253 4500 202277118 TxAuBib 20090305120000.0 750812s1976||||||||||||||||||||||||eng|u 9780395240847 0395240840 TxAuBib Burt, William Henry, 1903- A field guide to the mammals : field marks of all North American species found north of the Mexican boundary / text and maps by William Henry Burt ; ill. by Richard Philip Grossenheider ; sponsored by the National Audubon Society and National Wildlife Federation. 3d ed. Boston : Houghton Mifflin Co., 1976. xxv, 289 p., |28| leaves of plates : ill. ; 19 cm. Peterson field guide series, The Includes index. Bibliography: p. 271-276. Mammals North America Identification. Grossenheider, Richard Philip. The Peterson field guide series.