82 



BULa:.E.TIN 50, UNITED STATES NATIONAL MUSEUM. 



Adult male. — Above plain purplish slate color (between slate color 

 and seal brown), deep grayish sepia or deep brownish slate; wings 

 and tail black; anterior portion of lesser wing-covert area white, 

 the remaining lesser coverts, together with middle coverts, with 

 a small terminal roundish spot of white; greater coverts broadly 

 tipped with white, forming a very conspicuous band across wing; 

 remiges narrowly and indistinctly edged (except basally) with 

 grayish brown, the edgings broader on tertials, where sometimes 

 whitish terminally; three outermost rectrices (on each side) broadly 

 tipped with white, this extending much farther on outer than on 

 mner web, the extent of the white greatest (on both webs) on second 

 rectrix; a broad superciliary stripe of white extending from sides 

 of forehead to sides of nape, where confluent with a white area 

 extending from sides of neck to flanks; loral, suborbital, auricular, 

 and malar regions, chin, throat, chest, breast, abdomen, and under 

 tail-coverts uniform black, the sides and flanks immaculate white 

 outwardly, streaked black and white along exterior margin of the 

 black median area; under wing-coverts black (the under primary 

 coverts white, tipped with black); inner web of remiges broadly 

 edged with grayish white; bill black, paler on tomia; legs and feet 

 grayish black (plumbeous in life?); length (skin), 113-116 (115); 

 wing, 54.5-59 (55.7); tail, 45-49 (46.5); culmen, 14-15 (14.5); 

 tarsus, 20-21.5 (20.3); middle toe, 11-12 (11.5).« 



Adult female. — Above much as in adult male, but the general 

 color decidedly more brownish (deep broccoli brown on back, etc., 

 more grayish brown on pileum and hindneck), the remiges more 

 distinctly edged with brown; sides of head (including superciliary 

 stripe, which is less sharply defined than in adult male) pale grayish 

 buffy or dull buffy whitish, interrupted by a narrow postocular 

 streak of dusky, the suborbital region with very narrow and indis- 

 tinct bars of dusky, the auricular region with fine shaft-streaks of 

 whitish; chin and upper throat white, passing into buff on chest, this 

 into paler buff on other lower parts, the under tail-coverts (some- 



"■ Six specimens. 



