Gregory, William K. (William King), 1876-2006-02-022006-02-021920http://hdl.handle.net/2246/5725p. 49-243, [37] leaves of plates (some folded) : ill. ; 36 cm.Includes bibliographical references (p. 242-243).174489908 bytesapplication/pdfen-USQH1 .M48 n.s., vol.3, pt.2, 1920Notharctus.Primates, Fossil -- West (U.S.)Mammals, Fossil -- West (U.S.)Paleontology -- Eocene -- West (U.S.)Paleontology -- West (U.S.)On the structure and relations of Notharctus, an American Eocene primate. Memoirs of the AMNH ; new ser., v. 3, pt. 2text