Reactions to On the Origin of Species pro-evolution scientists and Unitarians with liberal churchmen, two of the authors were indicted for heresy and lost their jobs by 1862. In October 1860, John Phillips published "Life on the Earth, its origin and succession", reiterating points from his Rede Lecture and disputing Darwin's arguments. He sent a copy to Darwin, who thanked him, though "sorry, but not surprised, to see that you are dead against me". On 20 November, Darwin told Lyell of his revisions for a third edition of the "Origin", including removing his estimate of the time it took for the Weald to erode: "The confounded Wealden
On the Origin of Species an incipient species" and that "species are only strongly marked and permanent varieties". He argues for the ubiquity of variation in nature. Historians have noted that naturalists had long been aware that the individuals of a species differed from one another, but had generally considered such variations to be limited and unimportant deviations from the archetype of each species, that archetype being a fixed ideal in the mind of God. Darwin and Wallace made variation among individuals of the same species central to understanding the natural world. In Chapter III, Darwin asks how varieties "which I have called incipient species"