1901. Revision of the skunks of the genus Chincha. N. Amer.
Fauna, 20:1-62, 8 pls., August 31.
1938. Revision of the North American ground squirrels, with
a classification of the North American Sciuridae. N. Amer.
Fauna, 56:1-256, 20 figs., 32 pls., May 18.