76 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



gined (on both webs) by dull whitish passing into pale brownish next 

 to the broad mesial dark-colored areas; distal secondaries darker and 

 more greenish and much more narrowly edged with whitish; primary 

 coverts olive-dusky broadly margined distally with dull white; prima- 

 ries blackish, faintly glossed with greenish, margined terminally with 

 dull white and crossed, near middle portion, by a broad band of the 

 same, composed of narrowly ovate or lanceolate longitudinal marginal 

 spots on outer webs only; rump plain grayish brown (nearly hair 

 brown); upper tail-coverts and middle pair of rectrices bronzy olive 

 glossed with purplish and margined with dull white; remaining rec- 

 trices glossy blue-black on outer webs, more greenish on inner webs, 

 tipped, and narrowly margined (on outer web) with white, the white 

 tip about 35-40 mm. long on outer pair but decreasing in extent to the 

 second (next to middle) pair, on which it is only about 10 mm. wide; 

 lores dull whitish (sometimes tinged with brownish buffy), the feathers 

 with projecting black bristle-like shafts; suborbital and malar 

 regions mixed dull whitish and pale tawny-brownish, barred and 

 spotted with black; auricular region streaked with black and dull 

 whitish or pale tawny-brownish; chin and throat mostly dull white; 

 foreneck, sides of neck, and chest light ochraceous-buff or clay color 

 passing into whitish on edges of feathers, each feather with a mesial 

 streak of black, these streaks narrow in front, much broader on sides 

 of neck and chest; rest of under parts plain grayish buffy white, the 

 under tail-coverts sometimes decidedly pale dull buffy; inner webs 

 of lateral rectrices. pale gray on under surface anterior to the white 

 tip; maxilla dull grayish black or dusky horn color, mandible paler 

 horn color or grayish; iris golden yellow to orange; bare orbital 

 space light blue anteriorly passing into bluish white beneath and 

 behind eye, the posterior portion deep orange or orange-red; legs and 

 feet (in life) pale bluish, the large scutella of tarsus pale yellowish 

 or cream color margined with pale bluish. 



Young. — Similar to adults but markings less sharply defined, 

 especially the streaks on neck and chest, where the ground color is 

 also duller (more grayish, with less tawny-brownish). 



Adult male.— Length (skins), 464-583 (540) ; wing, 164-196 (177.7) ; 

 tail, 268-316 (290.5); exposed culmen, 48-59 (53.2); tarsus, 54.5-67 

 (61.1); outer anterior toe, 30-34.5 (32.4). 5 



» Sometimes the middle pair has a small white tip. 

 6 Twenty-seven specimens. 



