Occurrence of the Garter Snake, Thamnophis sirtalis, in the Great Plains and Rocky Mountains

The Mammals of Warren Woods, Berrien County, Michigan

Occasional Paper of the Museum of Zoology, Number 86

The Subspecies of the Mountain Chickadee

Home Range and Movements of the Eastern Cottontail in Kansas

The Mental Life of Monkeys and Apes

A Study of Ideational Behavior

A New Pocket Gopher (Genus Thomomys), from Eastern Colorado

A Field Study of the Kansas Ant-Eating Frog, Gastrophryne olivacea

The Baculum in the Chipmunks of Western North America

Birds, Illustrated by Color Photography, Vol. 2, No. 5

November 1897

A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, México

Natural History of the Bell Vireo, Vireo bellii Audubon

Summer Birds From the Yucatan Peninsula, Mexico

Fish Populations, Following a Drought, in the Neosho and Marais des Cygnes Rivers of Kansas

Comments on the Taxonomy and Geographic Distribution of Some North American Marsupials, Insectivores and Carnivores

The Subspecific Status of Two Central American Sloths

Food Habits of the Thrushes of the United States