BIRDS OF NORTH AND MIDDLE AMERICA. 



71 



ZELEDONIA CORONATA Ridgway. 

 WREN-THRUSH, 



Adults (sexes alike). — Pileum with a broad median patch of tawny, 

 the feathers paler and more 3'ellowish basahy, their tips sometimes 

 dusky, sHghtly obscuring the general color; tliis tawny patch mar- 

 gined laterally by a stripe of dull black, gradually disappearing ante- 

 riorly into the dusky slate-gray of forehead and lores but posteriorly 

 rather abruptly defined against the dusky olive of occiput and hind- 

 neck; back, scapulars, wing-coverts, rump, and upper tail-coverts 

 plain dark brownish olive with a slight tinge of olive-green; the 

 remiges and rectrices similar but rather browner; sides of head (includ- 

 ing superciliary and loral regions), chin, and under parts generally, 

 plain slate color, slightly paler on lower abdomen, the Hanks and under 

 tail-coverts plam dark olive, the whole of posterior under parts some- 

 times washed with olive-green; bill blackish, the mandible more 

 brownish, especially basally; iris dark brown; legs and feet brownish 

 black or dusky brown. 



Young. — Similar to adults, but orange-rufous crown-patch much 

 smaller and less sharpl}^ defined, the blackish lateral crown-stripes 

 replaced by very indistinct ones of dusky (these obsolete anteriorly), 

 and sides of head and under parts olive mstead of dull slate color. 

 (No trace of streaks or spots anj^vhere, but feathers of under parts of 

 body with a barel}" perceptible narrow termmal margin of dusky.) 



Adult maZe.— Length (skms), 107-118 (113.2); wing, 60.5-64.5 

 (62.2); tail, 36-39 (37.6); exposed cuimen, 12.5-13 (12.6); tarsus, 

 29-30.5 (29.6); middle toe, 17-18 (17.3). « 



Adult fe7nale.— Length (skin), 108-113 (110.5); wing, 59.5-60.5 

 (60); tail, 33.5-35 (34.2); exposed cuimen, 11.5-12 (11.7); tarsus, 

 26.5-29.5 (28); middle toe, 14.5-17 (15.7). '^ 



