BIRDS OF NORTH AND MIDDLE AMERICA. 285 
aa. Rump chestnut-rufous; bend of wing olive-brown. 
b. Larger (wing of female 84.5, tail, 90, bill, from rictus, 20). (Eastern Ecuadér.) 
Deconychura secunda (extralimital).¢ 
bb. Smaller (wing of female 75, tail 72, bill, from rictus, 16). (Rio Madeira, north- 
western Brazil to eastern Peru.)....Deconychura stictolema (extralimital).> 
DECONYCHURA TYPICA Cherrie. 
CHERRIE’S DECONYCHURA. 
Adults (sexes alike).—Pileum olive or brownish olive, indistinctly 
streaked with darker, and with indistinct narrow shaft-streaks of 
buffy (at least on forehead); back, scapulars, rump, and wing- 
coverts plain olive-brown or raw-umber, passing into chestnut on 
upper tail-coverts, tail, secondaries, and outer webs of proximal 
(inner) primaries, the outer webs of distal primaries lighter and less 
rufescent brown; shafts of rectrices dark chestnut, those of remiges 
black, or nearly so; a narrow superciliary stripe of buff; auricular 
and submalar regions streaked with dull buff and dusky, the latter 
predominating on upper portion of auricular region, forming an 
indistinct postocular streak; malar region, chin, and throat dull 
buff, the first indistinctly streaked with dusky; feathers of chest 
dark olive or dusky marked with a large central, more or less guttate 
spot of buff; rest of under parts light olive-brown or buffy grayish 
‘brown (nearest isabella color), the breast (sometimes abdomen and 
under tail-coverts also) more or less distinctly streaked with buff; 
under wing-coverts clear ochraceous-buff; inner webs of remiges deep 
cinnamon-rufous passing into buffy on edge, the terminal portion, 
abruptly, dusky; maxilla dusky horn color or blackish, paler along 
tomia; mandible dull whitish or pale yellowish (plumbeous in life) ;¢ 
iris brown; legs and feet dusky (plumbeous in life).* 
Adult male-—Length (skins), 183-194 (188); wing, 94-102 (97.2); 
tail, 89.5-96 (93.9); culmen, 19.5-23 (22.1); tarsus, 20.5-22 (21.1); 
middle toe, 13.5-15 (14.3).¢ 
Adult female—Length (skins), 174-180 (176); wing, 86-90 (88); 
tail, 83.5-88 (86.5); culmen, 20-21.5 (20.6); tarsus, 19-20 (19.6); 
middle toe, 13-13.5 (13.2).¢ 
@ Deconychura secunda Hellmayr, Bull. Brit. Orn. Club, xiv, no. civ, Feb. 27, 1904, 
51 (Rio Coca, upper Rio Napo, e. Ecuadér; coll. Tring Mus.).—D[econychura] secunda 
Hellmayr, Novit. Zool., xiv, 1907, 368 (diagnosis). 
b Sittasomus stictolemus Pelzeln, Orn. Bras., i, Abth., 1868, 42, 59 (Borba, Rio 
Madeira, w. Brazil; coll. Vienna Mus.).—Sittosomus stictolemus Sclater, Cat. Birds 
Brit. Mus., xv, 1890, 120.—D[econychura] stictolaemus Hellmayr, Novit. Zool., xiv, 
no. 2, Nov., 1907, 368 (Borba, Brazil; diagnosis). 
¢ Zeled6n, manuscript. 
@ Six specimens. 
€ Four specimens. 
