How to know the mammals
Subtitle: pictured-keys for determining to species, all of the mammals of the United States and southern Canada with maps showing their geographic distribution, and many pages of helps for their successful study.
Edition: 2nd ed.
Series: Pictured-key nature series
Place of publication: Dubuque, Iowa
Subjects: Mammals -- Classification.; Mammals -- Collection and preservation.; Mammals -- North America.
Notes: 6