DARWIN, Charles (1809-1882). The Foundations of the Origin of Species, a Sketch written in 1842. Francis Darwin, editor. Cambridge: Cambridge University Press, 1909. 8vo. Photographic frontispiece, illustrations. (Fore-edges slightly soiled). Original half vellum uncut and partially unopened (some spotting and light soiling). FIRST EDITION of Darwin’s posthumously published early notes on evolution and natural selection, edited by his son.