Revision of American Voles of the Genus Microtus (open access)

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."
Date: June 6, 1900
Creator: Bailey, Vernon
System: The UNT Digital Library
Revision of the Pocket Mice of the Genus Perognathus (open access)

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.
Date: September 20, 1900
Creator: Osgood, Wilfred H.
System: The UNT Digital Library
Results of a Biological Reconnaissance of the Yukon River Region (open access)

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.
Date: October 6, 1900
Creator: Osgood, Wilfred H. & Bishop, Louis B.
System: The UNT Digital Library