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Review of the Grizzly and Big Brown Bears of North America (Genus Ursus): with Description of a New Genus, Vetularctos
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.
Date:
February 9, 1918
Creator:
Merriam, C. Hart
System:
The UNT Digital Library
Revision of the American Flying Squirrels
Habits, voice, nests, breeding, food, economic status, pelage and molt, and descriptions of species and subspecies of the American flying squirrels.
Date:
June 13, 1918
Creator:
Howell, Arthur H.
System:
The UNT Digital Library
The Rice Rats of North America (Genus Oryzomys)
Discusses habits, economic status, morphology, variation, history, and specimens of North American rice rats. Provides a key and descriptions for species and subspecies.
Date:
September 23, 1918
Creator:
Goldman, Edward A.
System:
The UNT Digital Library