210 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



rather broadly streaked with hght yellowish buff or buff-yellow ; chin 

 and upper throat immaculate yellowish buff or buff-yellow; rest of 

 under parts light raw-umber brown (darker on lower throat and upper 

 chest, passing posteriorly into a more tawny-olive hue on flanks and 

 a more rufescent hue on under tail-coverts), narrowly streaked with 

 pale yellowish buff, these streaks broader on chest and lower throat, 

 sometimes obsolete on flanks and under tail-coverts; under wing- 

 coverts and broad edgings to inner webs of remiges ochraceous-buff; 

 bill dusky horn color, the gonys (broadly) whitish or pale yeflowish 

 horn color (in dried skins); iris brown; legs and feet horn color (in 

 dried sldns). 



Young.— \J])per parts essentially as in adults but color of pileum 

 and hindneck more dusky, the latter with streaks rufescent instead 

 of buffy yellowish; a more or less distinct narrow superciliary stripe 

 of tawny; malar region (except anterior portion), sides of neck, 

 chin, throat, and chest, tawny-ochraceous, tawny, or rufous-tawny 

 (deepest on chest, paler on chin), the feathers with narrow and 

 indistinct shaft-streaks of paler; rest of under parts similar medially 

 in color to throat and chest but paler and duller, passing into a more 

 olive hue on sides and flanks, the under tail-coverts more rufescent; 

 under wing-coverts tawny or tawny-ochraceous, the inner webs of 

 remiges broadly edged with ochraceous-buff; bill, etc., as in adults, 

 or with mandible wholly dusky. 



Adult maZe.— Length (skins), 178-195 (186); wing, 89-94 (91.9); 

 tafl, 78-86 (82.5); culmen, 18.5-20 (19.3); tarsus, 22-24 (22.9); 

 middle toe, 17-19 (17.8).*^ 



Adult female.— Length (skins), 172-187 (182); wing, 81.5-92 (87.2); 

 tail, 73.5-83 (79.6); culmen, 19-21 (20); tarsus, 21.5-23.5 (22.6); 

 middle toe, 17-18.5 (17.6)." 



