Biology

On the Origin of Species By Means of Natural Selection Or, the Preservation of Favoured Races in the Struggle for Life

Charles Darwin

The work is a scientific treatise that sets out Charles Darwin’s case for evolution by natural selection.

Darwin, and After Darwin, Volumes 1 and 3 An Exposition of the Darwinian Theory and a Discussion of Post-Darwinian Questions

George John Romanes

This work is a scholarly exposition of Darwinian evolution, written by George John Romanes, a noted zoologist…

On the Origin of Species by Means of Natural Selection or the Preservation of Favoured Races in the Struggle for Life. (2nd edition)

Charles Darwin

Charles Darwin’s On the Origin of Species is a scientific treatise that sets out a theory of evolution by…

The Variation of Animals and Plants under Domestication

Charles Darwin

The work is a scientific treatise by Charles Darwin that expands the ideas first sketched in On the Origin of…

Evolution, Old & New Or, the Theories of Buffon, Dr. Erasmus Darwin and Lamarck, as compared with that of Charles Darwin

Samuel Butler

Samuel Butler’s work is a scholarly survey of the development of evolutionary thought, concentrating on the…

Contributions to the Theory of Natural Selection A Series of Essays

Alfred Russel Wallace

Alfred Russel Wallace’s *Contributions to the Theory of Natural Selection* gathers a dozen essays he…

Anecdotes of the Habits and Instinct of Animals

Mrs. R. Lee

Anecdotes of the Habits and Instinct of Animals is a nineteenth‑century juvenile work that treats animal…

"Wee Tim'rous Beasties": Studies of Animal life and Character

Douglas English

Douglas English’s “Wee Tim’rous Beasties” is a whimsical naturalist’s study that treats the lives of rodents…

The Foundations of the Origin of Species Two Essays written in 1842 and 1844

Charles Darwin

The work is a scholarly compilation of two early essays by Charles Darwin, written in 1842 and 1844, that lay…

My Studio Neighbors

W. Hamilton Gibson

Evolution in Modern Thought

The work is a scholarly survey of the intellectual lineage of evolutionary thought, beginning with a concise…

Wild Nature Won By Kindness

Mrs. Brightwen

Mrs. Eliza Elder Brightwen’s Wild Nature Won By Kindness is a modest natural‑history memoir that reads as a…

The Dawn of Reason; or, Mental Traits in the Lower Animals

James Weir, Jr.

Birds of the Indian Hills

Douglas Dewar

The Origin of Species by Means of Natural Selection Or, the Preservation of Favoured Races in the Struggle for Life, 6th Edition

Charles Darwin

The work is a scholarly treatise on biological evolution, presenting Charles Darwin’s sixth edition of *The…

An Elementary Study of Insects

Leonard Haseman

Form and Function: A Contribution to the History of Animal Morphology

E. S. Russell

Love's Meinie: Three Lectures on Greek and English Birds

John Ruskin

Our Vanishing Wild Life: Its Extermination and Preservation

William T. Hornaday

At the Deathbed of Darwinism: A Series of Papers

Eberhard Dennert

Explanation of Terms Used in Entomology

John Bernhard Smith

Darwinism (1889) An exposition of the theory of natural selection, with some of its applications

Alfred Russel Wallace

On the Genesis of Species

St. George Jackson Mivart

Lamarck, the Founder of Evolution: His Life and Work

A. S. Packard