BIRDS OF NORTH AND MIDDLE AMERICA. 



185 



Differing from A. e. griseigularis Ridgway "■ of northwestern Colombia 

 in much less grayish imderparts (especially throat and chest), darker 

 coloration of upper parts, and larger size. 



Adults (sexes alike). — Forehead and crown, together with entire 

 loral, orbital, supercihary, supra-auricular, and auricular regions and 

 anterior half or more of malar region bright cinnamon-rufous, the 

 supra-auricular region sometimes paler, forming a more or less dis- 

 tinct postocular streak; nape, hmdneck, back, scapulars, rump, and 

 upper tail-coverts plain olive-brown (between sepia and raw umber), 

 the nape and hindneck sometimes duller; tail and wings cmnamon- 

 rufous, this passmg mto bro-wii on terminal portion of remiges and on 

 tertials, the primary coverts tipped with more grayish brown; under- 

 parts light ohve or buffy ohve, passing mto dull whitish on upper 

 throat and chm, mclmmg to raw umber on flanks, the abdomen 

 sometimes tmged with tawny; under wing-coverts deep ochraceous- 

 buff, the inner webs of remiges broadly edged with deep pinkish buff; 

 maxilla blackish brown, mandible pale brownish (m dried skins) 

 darker termmally; legs and feet horn color (in dried skms). 



Young. — Pileum and hindneck olive-brown, nearly concolor with 

 back, etc.; sides of head similar, reheved by a more dusky broad 

 streak occupying uj^per portion of auricular region and a paler super- 

 cihary or supra-auricular streak, the latter sometimes rufous-tawny, 

 the lower portion of auricular region, suborbital region, and malar 

 region also sometimes rufous-ta\vny or suffused with that color; 

 coloration otherwise essentially as in adults, but underparts tinged 

 with ochraceous, or sometimes with mdistmct narrow bars of dusky. 



Adult male.— Lewgih. (skms), 140-153 (146); whig, 64-72 (66.8); 

 tail, 66.5-75.5 (71.5); culmen, 12-14.5 (13.4); tarsus, 18-19.5 (18.6); 

 middle toe, 13-14.5 (13.7).^ 



Adult female.— Lewgih. (skms), 136-162 (146); whig, 62-69.5 (65.8); 

 tail, 63-75 (70); culmen, 12.5-14 (13.4); tarsus, 18-19 (18.6); middle 

 toe, 13-14.5 (13.6).^ 



a See p. 184. 



& Nineteen specimens. 



c Twelve specimens. 



