1. Characters of Protoceras (Marsh), the new artiodactyl from the lower Miocene Author(s): Osborn, Henry Fairfield, 1857-1935, authorWortman, J. L. (Jacob Lawson), 1856-1926, author Publication: [New York?] : [publisher not identified], [1893?] Subject(s): Artiodactyla -- anatomy & histologyFossils
