Pilsbry, Henry Augustus, b. 1862.Bequaert, Joseph C. (Joseph Charles), b. 1886.Lang, Herbert, 1879-1957.Chapin, James Paul, 1889-1964.American Museum Congo Expedition (1909-1915)2005-10-062005-10-061927http://hdl.handle.net/2246/975p. 69-602, [68] leaves of plates : ill. (some col.), maps ; 24 cm.Includes bibliographical references.en-USQH1 .A4 vol.53, art.2, 1927Mollusks -- Congo (Democratic Republic)Mollusks -- Congo River Watershed.Mollusks -- New York (State) -- New York.Freshwater invertebrates -- Congo (Democratic Republic)Freshwater invertebrates -- Congo River Watershed.Freshwater invertebrates -- New York (State) -- New York.Mollusks -- Africa, Central.Freshwater invertebrates -- Africa, Central.text