Zimmer, John T. (John Todd), 1889-1957.Phelps, William H. (William Henry), b. 1875.2005-10-062005-10-061950http://hdl.handle.net/2246/42907 p. ; 24 cm.Includes bibliographical references.643716 bytesapplication/pdfen-USQL1 .A436 no.1455, 1950Acestrura heliodor meridae -- Classification.Picumnus spilogaster orinocensis -- Classification.Picumnus nigropunctatus -- Classification.Birds -- Venezuela -- Classification.Birds -- Venezuela.Phelps, William H. (William Henry), -- b. 1875 -- Natural history collections.text