Merriam, Clinton Hart, 1918, Review of the grizzly and big brown bears of North America (genus Ursus)

Merriam, Clinton Hart, 1918, Review of the grizzly and big brown bears of North America (genus Ursus), North American Fauna 41, pp. 1-136

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urn:lsid:zoobank.org:pub:BBABC870B6F7452F96345244155EE508

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