Chapin, James Paul, 1889-1964.Lang, Herbert, 1879-1957.American Museum Congo Expedition (1909-1915)2005-12-062005-12-061916http://hdl.handle.net/2246/1869p. 73-81 : 1 ill., map ; 24 cm.Includes bibliographical references.1730798 bytesapplication/pdfen-USQH1 .A4 vol.35, art.10, 1916Cosmetornis vexillarius -- Migration.Cosmetornis vexillarius -- Seasonal distribution.Birds -- Migration -- Congo (Democratic Republic)Birds -- Seasonal distribution -- Congo (Democratic Republic)Birds -- Migration -- Africa.Birds -- Seasonal distribution -- Africa.Birds -- Congo (Democratic Republic)Birds -- Africa.text