BIRDS OP NORTH AND MIDDLE AMERICA. 



367 



(and sometimes distal portion of secondaries) very narrowly edged with 

 much paler gray or whitish and more broadly but less sharply mar- 

 gined terminally with lighter brownish gray; rectrices (except middle 

 pair) with more than basal half slate-gray or dark dull gray (tinged 

 with brown toward middle ones), the terminal portion pure white on 

 outermost rectrix, gradually becoming more and more gray toward 

 pair next to middle ones, the terminal portion of which is light gray 

 (sometimes with outer web partly white) ; separating the darker gray 

 of proximal portion from the white or light gray of distal portion is a 

 band of black, which becomes narrower, and less developed on outer 

 webs, toward outer rectrices, the two outermost of which (on each 

 side) having little if any black on outer webs, that of the outermost 

 being almost wholly white; bill black; iris brown; legs and feet lake 

 red; length (skins), 223-280 (255); wing, 127.5-158.5 (146.9); tail, 

 80.5-107 (90.7); exposed culmen, 14-17.5 (14.6); tarsus, 19-23.5 

 (22.3); middle toe, 19-24 (21. 8). a 



Adult female. — Similar to^the adult male but coloration slightly 

 duller, the head, neck and under parts less pinkish or vinaceous, occiput 

 less bluish gray (often grayish brown, like back), and metallic reflec- 

 tion on sides of neck less brilliant or less extended; length (skins), 

 221-261' (246); wing, 131-151.5 (142.5); tail, 79-100 (87.8); ex- 

 posed culmen, 14-16 (14.7); tarsus, 19.5-22.5 (21.3); middle toe, 

 19.5-23.5 (21). 6 



° Twenty-three specimens. 



Nineteen specimens. 



Locality. 



Wing. 



Tail. 



Ex- 

 posed 

 cul- 

 men. 



Tarsus. 



Middle 

 toe. 



MAXES. 



Ten adult males from central Ecuador 



Five adult males from Peru 



Two adult males from Chile 



Two adult males from Bolivia 



Three adult males from southern Brazil 



One adult male from Uruguay 



FEMALES. 



One adult female from Colombia (Castillo) 



Nine adult females from central Ecuador 



Two adult females from Peru 



Five adult females from Bolivia : 



One adult female from southwestern Brazil (Chapada, Matto 



grosso) 



One adult female from Uruguay 



150.4 

 146.1 

 153.5 

 144.2 

 132.8 

 147.5 



139 

 147.3 

 137 

 135.8 



138 

 141 



100.3 

 97.9 

 96.2 

 87.7 

 79.3 



85.5 

 93.4 

 91.7 

 82.3 



79.5 



87 



15.2 



15.6 



14.5 



14 



14.3 



14.5 



14.9 

 (15) 

 14.5 



14.5 

 14.5 



23 



23 



22.5 



20.3 



21 



21.5 

 21.3 

 21.7 

 20.7 



21 

 22.5 



22.5 

 22.2 

 21.7 

 21.2 

 19.3 

 20 



21 

 21.1 

 21.5 

 20.8 



20.5 

 20.5 



Besides differences of size there are slight variations of color which seem to distin- 

 guish specimens from separate geographic areas; but the series examined is too small as 

 respects the cis-Andean region to justify an attempt at subdivision of the specieB. 



