BIRDS OF NORTH AND MIDDLE AMERICA. 755 
coverts; middle pair of rectrices metallic bluish green 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 rectrix with the white occupying approximately terminal two- 
thirds 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 with 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 (18.8); inner anterior toe, 13- 
14.5 (13.9).¢ 
Adult female.—Above uniform blackish slate, the rectrices without 
black tip; wings 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 blackish 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, 19-21 (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 female (the white more extended, however, and the broad 
black bars not reaching to shaft on inner web), wing-coverts and 
4 Fifteen specimens. 6 Four specimens. 
Inner 
Locality. Wing. | Tail. ae Tarsus.| ante- 
‘ rior toe. 
MALES, 
Ten sdult males from Panamé,. .4ocsss.scenconwccecvescrcecse as 136.3 | 144.9 21.7 13.1 13.7 
Four adult males from Colombia.............--.22.22222+-+00++ 134.7 | 144.2 22.2 13.6 14.1 
One adult male from western Ecuad6r (Guayaqufil)............ 139 15L 23.5 14 14.5 
