Variation Biology

Are the Effects of Use and Disuse Inherited?
An Examination of the View Held by Spencer and Darwin

W. P. Ball

The Variation of Animals and Plants Under Domestication, Vol. I.

Charles Darwin

The Variation of Animals and Plants Under Domestication, Volume II (of 2)

Charles Darwin

On the Variation of Species, with Especial Reference to the Insecta
Followed by an Inquiry into the Nature of Genera

Thomas Vernon Wollaston

On Germinal Selection as a Source of Definite Variation

August Weismann

The Variation of Animals and Plants under Domestication — Volume 1

Charles Darwin

The Variation of Animals and Plants under Domestication — Volume 2

Charles Darwin

The Variation of Animals and Plants under Domestication

Charles Darwin