Evolution

Eurypterids of the Devonian Holland Quarry Shale of Ohio

Neanderthals and Atlantis

Are the Effects of Use and Disuse Inherited

The True and False Theory of Evolution

Evolution

Evolution

The Descent of Man

The Coming of Evolution

Darwinism and Race Progress

Evolution, Old & New

Degeneration: A Chapter in Darwinism

The Biological Problem of To-day: Preformation Or Epigenesis

The Evolution of Man Scientifically Disproved in 50 Arguments

The Perpetuation of Living Beings, Hereditary Transmission and Variation

Half Hours With Modern Scientists

Evolution: Its nature, its evidence, and its relation to religious thought

The Baculum in the Chipmunks of Western North America

Nature All Around Us