1895. Revision of the shrews of the American genera Blarina
and Notiosorex. N. Amer. Fauna, 10:1-34, 2 figs., December
31.
1895. Monographic revision of the pocket gophers, family
Geomydae (Exclusive of the species Thomomys). _Ibid._,
8:1-258, 10 figs., 19 pls., 3 maps, January 31.
1898. Life Zones and Crop Zones of the United States. U. S.
Dept. Agriculture, Bull., 10:1-79, 1 map, June.