Darwin, Charles. THE ORIGIN OF SPECIES by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life. By Charles Darwin, M.A., LL.D., F.R.S., etc. Sixth Edition, with Additions and Corrections to 1872. (Thirty-ninth Thousand). London: John Murray, Albemarle Street. 1890. Cr. 8vo, Sixth Edition, later issue; pp. [ii], xxii, 458; folding diagram (edges very slightly frayed), glossary, index; original green cloth (slightly flecked); original pale-blue JM printed endpapers; a nice copy; very scarce. London; John Murray; 1890.