Reactions to On the Origin of Species with books and pamphlets furiously contesting the issues. The most scientific of the seven was the Reverend Baden Powell, who held the Savilian chair of geometry at the University of Oxford. Referring to "Mr Darwin's masterly volume" and restating his argument that God is a lawgiver, miracles break the lawful edicts issued at Creation, therefore belief in miracles is atheistic, he wrote that the book "must soon bring about an entire revolution in opinion in favour of the grand principle of the self-evolving powers of nature." He drew attacks, with Sedgwick accusing him of "greedily" adopting nonsense and Tory reviews
On the Origin of Species to be separate species produced fertile hybrid offspring freely, and in other cases what were considered to be mere varieties of the same species could only be crossed with difficulty. Darwin concluded: "Finally, then, the facts briefly given in this chapter do not seem to me opposed to, but even rather to support the view, that there is no fundamental distinction between species and varieties." In the sixth edition Darwin inserted a new chapter VII (renumbering the subsequent chapters) to respond to criticisms of earlier editions, including the objection that many features of organisms were not adaptive and could not