BIRDS OF NORTH AND MIDDLE AMERICA. 245 



scapulars and interscapulars ochraceous, ochraceous-rufous, or light 

 clay color, the central portion of each feather black, the tips of some 

 •narrowly marginetl with whitish; rump and upper tail-coverts dusky 

 slate color, the feathers indistinctly tipped with gray; wing-coverts 

 slate-grayish, margined with white or grayish white, the greater 

 coverts being tipped with pure white; primaries dark gray or dull 

 slate color, with wdiite shafts, the proximal quills edged basally with 

 white; an indistinct loral stripe (sometimes obsolete) and auricular 

 region pale grayish fulvous finely and indistinctly streaked with 

 dusky, the rest of head, including superciliary stripe, together with 

 under parts, white, the chest usually tinged with ochraceous and 

 narrowly streaked with dusky, the bj-east blotched or clouded with 

 grajash dusky, sometimes nearly uniformly dusky, the flanks and 

 under tail-coverts with a few narrow shaft-streaks of dusky; axi liars 

 and most of under wing-coverts immaculate white, the under primary 

 coverts, however, very pale gray, the edge of wing spotted with 

 gray; bill blackish, more brownish basally (in dried skins); iris dark 

 brown; legs and feet dusky (in dried skins). 



Winter plumage. — Wings, rump, upper tail-coverts, and posterior 

 under 'parts as in summer; rest of upper parts light gray (between 

 pale quaker drab and cinereous), the scapulars and interscapulars 

 darker centrally, with a very faint purplish or bronzy gloss in certain 

 lights; head and neck light or pale gray, darker and nearly uniform 

 on pileum, paler and more or less streaked with white elsewhere, the 

 throat white, immaculate or but sparsely streaked; chest and breast 

 white, irregularly marked with pale gray. 



Young. — Much like summer adults but wing-coverts broadly 

 margined with pale buff, chest pale buff distinctly marked with short 

 streaks and sagittate markings of dusky gray, and scapulars, etc., 

 more distinctly margined terminally with buff or buffy white. 



Downy young. — Above bright sayal brown or cinnamon irregularly 

 marbled with black, the back and rump bespangled with downy, dot- 

 like flecks of buffy white; hindneck nearly uniform pale grayish buff; 

 forehead deep warm buff or light pinkish cinnamon, with a median 

 streak or longitudinal diamond-shaped spot of black, extending 

 posteriorly into the fulvous of the crown and occiput, which are 

 irregularl}' marbled, longitudinalh', with black; a narrow black 

 loral streak reaching half way or more to eye, and a still narrower 

 black rictal streak; under parts immaculate buffy white. 



Adult male.— Wmg, 119-133 (126.5); tail, 52-64 (59.1); exposed 

 culmen, 27-35.5 (30.4); tarsus, 21.5-24.5 (23.1); middle toe, 20- 

 24.5 (22.6).« 



" Eighteen specimens. 



