830 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



and under wino;-coverts varyino; from nniforni deep slate-gray to 

 paler gray more or less margined and freckled on terminal portion 

 with paler gray or gray white ; inner webs of remiges broadly edged 

 with white; bill grayish dusky (sometimes drying partly whitish) in 

 dried skins, grayish blue in life; iris brown; legs and feet dusky 

 (grayish blue or bluish gray in life); length (skins), 118-145 (134); 

 Aving, 67-75.5 (70.9); tail, 51.5-56 (54.1) ; exposed culmen, 12-13.5 

 (12.8); tarsus, 16.5-19 (17.8); middle toe, 10-11.5 (11.1).« 



Adult female. — Pileum and nape plain olive or grayish olive; back, 

 scapulars, rump, and upper tail-coverts plain greenish olive, some- 

 times slightly tinged with cinnamon-brownish, especially on scapulars; 

 middle rectrices rather light grayish brown, becoming darker termi- 

 nally or subterminally, with or without a small terminal spot of buffy; 

 other rectrices brownish black or dusky becoming grayish brown 

 basally, their terminal portion abruptly buff (more or less deep), this 

 on outermost rectrix occupying approximately terminal third of 

 inner and terminal half of outer web, decreasing graduall}^ but rapidly 

 in extent toward middle pair; wing dark grayish brown or dusky, the 

 middle and greater coverts broadly tipped with buff (more or less 

 deep), the secondaries (except basally) and greater coverts edged with 

 the same, these edgings much broader and sopietimes whitish on inner 

 secondaries (tertials), the primaries (at least in part) narrowly edged 

 with dull pale buffy or dull whitish; sides of head and neck light olive, 

 the auricular region with narrow whitish shaft-streaks, the lores 

 mostly dull whitish; under parts light or pale yellow (pale primrose 

 to sulphur), shaded laterally with light olive, especially on sides of 

 chest; axillars and under wing-coverts pale (primrose) yellow; inner 

 webs of remiges edged with pale buff -yellow; bill, iris, legs, and feet 

 as an adult male; length (skins), 126-140 (135); wing, 64.5-70 (68.1); 

 tail, 44.5-53 (50.3); exposed culmen, 12-14 (12.6); tarsus, 16.5-19 

 (17.6); middle toe, 10.5-12 (11.2).^ 



o Twenty-two specimens. 

 b Nine specimens. 



