Structural variations in the scoters. American Museum novitates ; no. 243

Miller, Waldron DeWitt.2005-10-062005-10-061926http://hdl.handle.net/2246/41305 p. : ill. ; 23 cm.349993 bytesapplication/pdfen-USQL1 .A436 no.243, 1926Black scoter -- Classification.Black scoter -- Anatomy.Trachea.Intestines.Ducks -- Classification.Ducks -- Anatomy.Structural variations in the scoters. American Museum novitates ; no. 243text