1 vol.
Darwin, Charles. On the Origin of the Species by Means of Natural Selection. New York: D. Appleton, 1875.

From the 6th Eng ed. 12mo, orig black-ruled terra-cotta cloth, gilt-lettered spine; spine ends starting to fray, corners slightly bumped, other moderate edge wear. Head of front free endpaper excised. Complete with diagram. Internally very slightly toned, but generally clean. The 6th ed is often considered the definitive ed.
OCLC 11732078; Not listed in Freeman.