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
Genetics and the Origin of Species revive the Jesup lectures, a series that had involved some notable lecturers in the past. It was back-dated so that Dobzhansky's lectures became the first in the series. The Columbia University Biological Series was also revived, and when "Genetics and the Origin of Species" was published in October 1937 it became the 11th volume in that series. Three main editions were published, in 1937, 1941 and 1951, each with significant changes. Dobzhansky considered "Genetics of the Evolutionary Process" (1970) a fourth edition, but one so much changed that it needed a new title. "Genetics and the Origin of Species" has