Review of the grizzly and big brown bears of North America : (genus Ursus) with description of a new genus, Vetularctos /
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| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Washington :
Govt. Print. Off,
1918.
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| Series: | North American fauna ;
no. 41. |
| Subjects: |