Chapman, Frank M. (Frank Michler), 1864-1945.Day Roraima Expedition of the American Museum of Natural History (1927-1928)Tyler Duida Expedition of the American Museum of Natural History (1928-1929)2005-10-062005-10-061931http://hdl.handle.net/2246/983135 p. : ill., maps : 24 cm.Includes bibliographical references (p. 58-59).29588249 bytesapplication/pdfen-USQH1 .A4 vol.63, art.1, 1931Birds -- Roraima, Mount.Birds -- Venezuela -- Duida, Mount (Amazonas)Life zones -- Venezuela.Life zones -- Guyana.Life zones -- Brazil.Roraima, Mount.Duida, Mount (Amazonas, Venezuela)Day Roraima Expedition of the American Museum of Natural History -- (1927-1928)Tyler Duida Expedition of the American Museum of Natural History -- (1928-1929)text