Reactions to On the Origin of Species Saturday Review: argument confined to Geology, but has given me some perfectly just & severe raps on knuckles." In the third edition published on 30 April 1861, Darwin cited the "Saturday Review" article as reason to remove his calculation altogether. The December 1859 review in the British Unitarian "National Review" was written by Darwin's old friend William Carpenter, who was clear that only a world of "order, continuity, and progress" befitted an Omnipotent Deity and that "any theological objection" to a species of slug or a breed of dog deriving from a previous one was "simply absurd" dogma. He touched
On the Origin of Species embryonic stages. These factors also supported his theory of descent with modification. The final chapter "Recapitulation and Conclusion" reviews points from earlier chapters, and Darwin concludes by hoping that his theory might produce revolutionary changes in many fields of natural history. He suggests that psychology will be put on a new foundation and implies the relevance of his theory to the first appearance of humanity with the sentence that "Light will be thrown on the origin of man and his history." Darwin ends with a passage that became well known and much quoted: It is interesting to contemplate an entangled