Osborn, Henry Fairfield, 1857-1935.Wortman, Jacob Lawson.Peterson, Olof August, 1865-1933.2005-10-062005-10-061895http://hdl.handle.net/2246/1575p. 343-375, [4] leaves of plates (1 folded) : ill. ; 24 cm.Includes bibliographical references.6191289 bytesapplication/pdfen-USQH1 .A4 vol.7, art.12, 1895Perissodactyla, Fossil -- South Dakota.Mammals, Fossil -- South Dakota.Paleontology -- Oligocene -- South Dakota.Paleontology -- South Dakota.Paleontology -- White River Group.Perissodactyls of the Lower Miocene White River beds. Bulletin of the AMNH ; v. 7, article 12.Perissodactyls of White Rivertext