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Revision of American Voles of the Genus Microtus
From introduction: "Synopsis of American voles based on a study of between 5,000 and 6,000 specimens from more than 800 localities."
Revision of the Pocket Mice of the Genus Perognathus
Revision of earlier report in this series detailing changes in classification resulting from study of up to 3,000 specimens.
Results of a Biological Reconnaissance of the Yukon River Region
Brief summary of the Yukon River region, including itinerary of expedition, faunal districts, new species identified, and mammals and birds present.
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