Life Sciences

The Social Direction of Evolution: An Outline of the Science of Eugenics

Conspecificity of two pocket mice, Perognathus goldmani and P. artus

Degeneration: A Chapter in Darwinism

Auroræ: Their Characters and Spectra

Evolution: An Investigation and a Critique

Evolution

Some Constituents of the Poison Ivy Plant (Rhus Toxicodendron)

Physiology and histology of the Cubomedusæ including Dr. F.S. Conant's notes on the physiology

Mr. Gladstone and Genesis

Three New Beavers from Utah

An Annotated Checklist of Nebraskan Bats

Essays Upon Heredity and Kindred Biological Problems

Essays on Darwinism

New Subspecies of the Rodent Baiomys from Central America

An Expository Outline of the “Vestiges of the Natural History of Creation”

Geographic Range of the Hooded Skunk, Mephitis macroura

Outlines of Creation

A Hundred Poes

Tree Diseases

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