BIRDS OF NORTH AND MIDDLE AMERICA. 



755 



coverts; middle pair of rectrices metallic bluish o;reen or greenish 

 blue, abruptly tipped with black, the next two pairs similar on outer 

 web, but inner web wholly black; fourth rectrix (from middle) black, 

 with about terminal half of outer web white, the inner web with much 

 less white, with base of the area forming an acute angle next to shaft; 

 fifth rectiix vnth. the white occupying approximately terminal two- 

 thu'ds of outer web and terminal half of inner web; outermost rectrix 

 with only the extreme base of outer web and basal third, or less, of 

 inner web black, sometimes wiih the black reduced to a small spot; 

 wings black, the primaries (except shorter proximal ones) edged 

 basally with white; median portion of breast, abdomen, flanks, and 

 under tail-coverts rich orange-yellow (cadmium yellow) ; sides dark 

 slaty- or blackish slate; thighs slate-black; bill (in dried skins) light 

 grayish yellow; feet dusky or horn color (in dried skins); length 

 (skins), 250-274 (265); wing, 129-144 (136); tail, 137-151 (145.2); 

 culmen, 21-23 (22); tarsus, 12-14.5 (13.3); inner anterior toe, 13- 

 14.5 (13.9).« 



Adult female. — Above uniform blackisli slate, the rectrices without 

 black tip; ^^dngs rather darker (slate-black), the coverts and second- 

 aries very narrowly barred with white, the primaries edged with 

 white basally and with small spots of white along edge for terminal 

 half or more; three lateral rectrices (on each side) with much less 

 white than in adult male, this broken (except for broad terminal por- 

 tion) with broad bars confluent with the slate-black basal area; sides 

 of head and neck, chin, throat, chest, and breast plain blackish slate 

 (very slightly less blacldsh than upper parts), slightly paler (more 

 grayish slate) posteriorly and on sides and outer portion of flanks; 

 rest of underparts orange-yellow (less intense than in adult male), 

 the thighs blackish slate; maxilla mostly blackish or dusky horn 

 color, the mandible paler (dull grayish yellowish), at least terminally; 

 feet as in adult male; length (skins), 267-270 (268); wing, 136-140 

 (137.5); tail, 144-150.5 (146.1); culmen, 10-21 (20.1); tarsus, 13-15 

 (13.5); inner anterior toe, 12.5-13.5 (13).'' 



Immature male. — Similar to the adult male, but lateral rectrices as 

 in adult lemale (the white more extended, however, and the broad 

 black bars not reaching to shaft on inner web), wing-coverts and 



« Fifteen specimens. 



'> Four specimens. 



