Mammals

The Indian in his Wigwam; Or, Characteristics of the Red Race of America

Evolution and Classification of the Pocket Gophers of the Subfamily Geomyinae

Geographic Variation in the Pocket Gopher, Thomomys bottae, in Colorado

Wild Animals of North America

The Life Story of an Otter

The Courtship of Animals

The Wolf Hunters: A Tale of Adventure in the Wilderness

Hints on Bobcat Trapping

Hints on Mountain-Lion Trapping

Two New Pocket Gophers from Wyoming and Colorado

Mammals of Mesa Verde National Park, Colorado

Noteworthy Records of Bats From Nicaragua, with a Checklist of the Chiropteran Fauna of the Country

Alaska, Its Southern Coast and the Sitkan Archipelago

Cat o' mountain

The Black Bear

Stories about the Instinct of Animals, Their Characters, and Habits

Steel Traps

The Unexploited West

Rodent Control Aided by Emergency Conservation Work

Beaver: An Alphabet of Typical Specimens