Darwin, And After Darwin V1, The Darwinian Theory is a book written by George John Romanes in 1910. The book provides an exposition of the Darwinian theory, which is a scientific theory that explains the process of evolution through natural selection. The author discusses the various aspects of the theory, including the origin of species, the struggle for existence, and the role of variation in evolution.The book also delves into post-Darwinian questions,...