Review of the Grizzly and Big Brown Bears of North America: (genus Ursus) with Description of a New Genus, Vetularctos, Issues 41-45

Clinton Hart Merriam‏

جنوری 1918 · U.S. Government Printing Office

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Discusses distribution, sexual and age differences, specimens, and classification of North American grizzly and big brown bears. Describes and lists locations of species and subspecies. Mentions Vetularctos, a new genus related to Ursus.