88 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



dull buffy, all the primaries (except one or two outermost) with a 

 small terminal, more or less triangular, spot of the same; rump and 

 upper tail-coverts dark grayish olive, inclining to fuscous-black on 

 upper rump, faintly glossed with bronze, broadly (but not sharply) 

 edged with light hoary gray, the upper tail-coverts (especially the 

 longer ones) with a small terminal spot of white; tail dusky grayish 

 brown distally passing into lighter brown (nearly seal brown or light 

 seal brown) basally, faintly glossed with bronze (purplish bronze on 

 proximal portion), and broadly margined terminally with white, the 

 under surface of rectrices light gray with a broad subterminal area of 

 blackish or dusky; a rather indistinct loral streak and a conspicuous 

 postocular (supra-auricular) stripe of white; auricular region black- 

 ish brown, the lower portion streaked with whitish; suborbital region, 

 malar region, and under parts white, the first two, together with more 

 or less of throat, narrowly and rather sparsely streaked with blackish, 

 the f oreneck more broadly streaked, the chest spotted, with blackish, 

 both f oreneck and chest more or less tinged with buffy; axillars and 

 under wing-coverts immaculate white; under surface of remiges 

 grayish brown or brownish slate-gray, the outermost with proximal 

 half of inner web abruptly white, the next with proximal half mostly 

 white, the third, fourth, and fifth (from outside) with a broad white 

 bar across middle portion, the sixth with a transverse spot of pale 

 grayish, the innermost primaries, together with secondaries, with 

 inner webs very pale gray in middle portion, this passing into darker 

 gray on distal portion and dusky gray or brownish slate-gray on sub- 

 basal portion — all the remiges being white at base ; maxilla blackish 

 or dusky horn color, paler on tomia; mandible pale plumbeous in 

 life; iris white," yellow, 6 whitish brown, 6 or brown ; d bare orbital 

 space yellowish green; legs and feet (in life) pale plumbeous, grayish 

 brown, 6 or brownish slate." 



Immature. — Similar to adults but lacking the white terminal spots 

 to upper tail-coverts and (in younger specimens) pileum wholly dark 

 sooty brown, or with very little rufescent tinge. 



Young. — Essentially like adults but differing in absence of white 

 tips and blackish subterminal areas to rectrices, absence of pale mar- 

 gins to scapulars, interscapulars, and wing-coverts (the last having 

 small terminal spots or dots of brownish buffy or pale tawny instead), 

 absence of white terminal spots to upper tail-coverts, and in having 

 the pileum (including crest) wholly dark sooty brown and the post- 

 ocular stripe, together with suborbital and malar regions, chin, throat, 

 and chest deep cinnamon-buff (paler on chin and throat). 



a Josd C. Zeledon. c Chubb. 



6 Hellmayr. d c. Sartorius. 



