DARWIN, CHARLES. The Variation of Animals and Plants under Domestication. 43 text illustrations. Publisher's 32-page catalogue dated April 1867 at end of Volume 1; integral ad leaf dated February 1868 at end of Volume 2. 2 volumes. 8vo, original green cloth, neatly rebacked retaining original backstrips, minor blistering on covers; minor foxing at beginning and end in both volumes, institutional and owner's stamps on titles. London, 1868