Miller, Waldron DeWitt.2005-10-062005-10-061924http://hdl.handle.net/2246/1890p. 305-331 ; 24 cm.Includes bibliographical references.Eutaxy and diastataxy -- First primary covert -- Vestigial eleventh primary -- Functional primaries -- Alula -- Outermost primary covert -- Rectrices -- Oil-gland and its tuft -- Aftershaft -- Powder-downs -- Natal down.2929093 bytesapplication/pdfen-USQH1 .A4 vol.50, art.5, 1924Feather tracts.Birds -- Anatomy.Feathers.Birds -- Classification.text