London: John Murray, 1866. Fourth Edition, with Additions and Corrections. (Eighth Thousand). 8vo. (xxii), 593 pp. With half-title; lacking 32 pp. of publisher's ads at rear. Illustrated with folding plate at p. 130. Publisher's pebbled green cloth stamped in blind and in gilt, slightly cocked, spine ends worn; green endpapers; pp 169-192 detached at gutter but laid-in; scattered light foxing; binder's ticket at bottom of rear paste-down; contemporary ownership signature of William M. Philip on title-page, dated 1867; signature on half-title, dated 1952. Freeman 385

Fourth edition of Darwin's seminal work on evolution. One of 1,500 copies printed, and with extensive alterations.