Osborn, Henry Fairfield, 1857-1935.Gregory, William K. (William King), 1876-Wortman, Jacob Lawson.Peterson, Olof August, 1865-1933.Matthew, William Diller, 1871-1930.Granger, Walter, 1872-1941.2005-10-062005-10-061908http://hdl.handle.net/2246/1444p. 599-617 : ill. ; 24 cm.Includes bibliographical references.Species from the Wind River Formation, Lower Eocene -- Species from the Lower Bridger Formation, Middle Eocene -- Species from the Upper Bridger and Lower Washakie formations, Middle Eocene -- Species chiefly from the Upper Washakie ("horizon B") and Lower Uinta ("horizons A, B"), Middle and Upper Eocene -- Species from the Upper Uinta, (horizon C), Upper Eocene -- Species from the White River Formation, Oligocene.3706132 bytesapplication/pdfen-USQH1 .A4 vol.24, art.32, 1908Perissodactyla, Fossil -- West (U.S.)Mammals, Fossil -- West (U.S.)Paleontology -- Paleogene -- West (U.S.)Paleontology -- West (U.S.)text