DARWIN, Charles (1809-1882). The Descent of Man and Selection in Relation to Sex. New York: D. Appleton and Company, 1871. 2 volumes, 8vo (191 x 124 mm). (Some slight browning.) Publisher's russet cloth, stamped in black, spines gilt-lettered (some light chipping to spine ends with small losses, some light wear). Provenance: Edward A. Horton (early ownership signature); Henry W. Key (signature).FIRST AMERICAN EDITION, FIRST ISSUE, including the first appearance of the word "evolution" in any of Darwin's works. Freeman 941.