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Revision of the North American Bats of the Family Vespertilionidæ
Classification of more than 3,000 bats to enable correct specimen identification based upon material contained in the collection of the Biological Survey of the U.S. Department of Agriculture.
Date:
October 16, 1897
Creator:
Miller, Gerrit S. (Gerrit Smith), 1869-1956
System:
The UNT Digital Library
Results of a Biological Survey of Mount Shasta California
From introduction: "Biological survey of northern California from the Madeline Plains to the Pacific Ocean and from the Oregon boundary to Lassen Butte and parts of the Sierra, with Mount Shasta occupying a nearly central position."
Date:
October 28, 1899
Creator:
Merriam, C. Hart
System:
The UNT Digital Library