On the origin of species / Darwin, Charles

Charles Darwin explains his theories of evolution by natural selection.

Presents Charles Darwin's theory of evolution by natural selection, with illustrations, photographs, newspaper engravings, and zoological studies.

A new scholarly edition of the most famous scientific text in the world, with detailed information about its publishing history.

Introduces the author's unabridged theories of evolution by natural selection concluding with a subject index. Discusses the struggle for existence in the natural world, laws of variation, instinct, geographical distribution, hybrids and the appearance of new species.