On the Origin of Species wrote to Murray in confirmation, and listed headings of the 12 chapters in progress: he had drafted all except "XII. Recapitulation & Conclusion". Murray responded immediately with an agreement to publish the book on the same terms as he published Lyell, without even seeing the manuscript: he offered Darwin of the profits. Darwin promptly accepted with pleasure, insisting that Murray would be free to withdraw the offer if, having read the chapter manuscripts, he felt the book would not sell well. (eventually Murray paid £180 to Darwin for the 1st edition and by Darwin's death in 1882 the book was
Essay on the Origin of Languages Essay on the Origin of Languages Essay on the Origin of Languages () is an essay by Jean-Jacques Rousseau published posthumously in 1781. Rousseau had meant to publish the essay in a short volume which was also to include essays "On Theatrical Imitation" and "The Levite of Ephraim." In the preface to this would-be volume, Rousseau wrote that the "Essay" was originally meant to be included in the "Discourse on Inequality", but was omitted because it "was too long and out of place". The essay was mentioned in Rousseau's 1762 book, "Emile". In this text, Rousseau lays out a narrative