Zoology

Extinct Madagascar

The zoology of the voyage of H.M.S. Beagle: Fossil mammalia

Supplement to Harvesting Ants and Trap-Door Spiders

Bird Day

Why Birds Matter

Who's a Good Dog

How Monkeys See the World

Three New Beavers from Utah

An Annotated Checklist of Nebraskan Bats

Parnassiology. From Rhyme to Crime

Nature's Compass

Anatomy of the Cat

Dissection of the Platana and the Frog

The Lost Tribes of Bigfoot

Misty Giants of the Lava Beds

Geographic Variation in the North American Cyprinid Fish, Hybopsis gracilis

New Species and Synonymy of American Cynipidæ

Explanation of Terms Used in Entomology

Migration of Birds

Camel Tracks