New York: D. Appleton and Company 1898. Later printing. vi, 372 pages. 8vo. Publisher's original terra cotta cloth. Spine titles in gilt. Top edge gilt. Light bump to upper corners, otherwise a nice example. Near Fine. Cloth. 
Freeman notes "This is an important member of the evolutionary set, and it was written, in part at least, as a confutation of the idea that the facial muscles of expression in man were a special endowment." Contains 7 heliotype plates, 3 of which are folding. Some of the heliotype images here were borrowed from Duchenne's work "Mecanisme de la physionomie humaine", an important early photographically illustrated medical book. Darwin credits Duchenne in his introduction (p. 5) writing "In my opinion, Dr. Duchenne has greatly advanced the subject by his treatment of it. No one has more carefully studied the contraction of each separate muscle, and the consequent furrows produced on the skin..."
A later printing - the first edition was published in 1873. Freeman 1153.