These pages are part of a site called "Evolution," that accompany a textbook by the same name. Mark Ridley is the author. This section is about Darwin, his travels, and his observations that led to "On The Origins Of Species."

[Free Registration/Login may be required to access all resource tools.] An introduction to Charles Darwin and his theory of evolution by natural selection is offered for students. Meet the writers who influenced Darwin to develop his...

The complete original text of On the Origin of Species by Charles Darwin.

Background information and slideshow presentation on creating the Origin of Species scientific manuscripts.

Charles Darwin's famous journey is chronicled here in this online book. Read it just as it was published in 1845.

A clipart illustration by Phillip Martin titled "Charles Darwin."

[Free Registration/Login may be required to access all resource tools.] Overview of the evolution of life and Darwin's theory of evolution.

[Free Registration/Login may be required to access all resource tools.] Covers the evolution of life.

An overview of the clash between the old way of life of the Victorian Age and the new, the Jazz Age.

Take this interactive, multiple-choice quiz over evolution, then review your score and any missed questions at the end.

This Federalist house, designed by Ithiel Town and built in 1810, most notably served as the longtime home of botanist and Harvard professor Asa Gray (1810-88). Gray was one of the most important botanists of the 19th century, publishing...