Zoology

Heroes of science : Botanists, zoologists, and geologists

Natural History of the Salamander, Aneides hardii

Half Hours with the Lower Animals

New Subspecies of the Rodent Baiomys from Central America

Geographic Variation in the North American Cyprinid Fish, Hybopsis gracilis

The Ancestry of Modern Amphibia: A Review of the Evidence

New Species and Synonymy of American Cynipidæ

Explanation of Terms Used in Entomology

Variation in the Muscles and Nerves of the Leg in Two Genera of Grouse (Tympanuchus and Pedioecetes)

Parasites: A Treatise on the Entozoa of Man and Animals. Including Some Account of the Ectozoa

Migration of Birds

A Guide for the Study of Animals

A New Subspecies of the Fruit-eating Bat, Sturnira ludovici, From Western Mexico