234 



BULLETIN 90, UNITED STATES NATIONAL MUSEUM. 



with very indistinct narrow shaft-streaks of paler; rump, upper tail- 

 coverts, and proximal secondaries deep cinnamon-rufous, the first 

 intermixed, more or less, with olive-brown; tail chestnut, with 

 shafts of rectrices more or less darker; primaries and distal second- 

 aries deep cinnamon-rufous, edged, more or less broadly, with olive- 

 brownish, the terminal portion of inner webs of longer primaries 

 grayish brown or dusky; chin and throat light brownish buffy or 

 pale clay color, the feathers edged with brown, producing a rather 

 confused streaked appearance, those of the lower throat with broader 

 brownish edgings and sometimes narrowly margined terminally with 

 dusky; feathers of foreneck similarly marked but with small trans- 

 verse spots m tlie brown edgings; chest light olive-brown or buffy 

 grayish brown (varymg from nearly broccoli browai to nearl}^ raw- 

 umber),, with broad mesial streaks of pale buffy, these margined with 

 a narrow line of blackish, these lines sometimes partially broken into 

 small spots; rest of under parts light buffy brown, everywhere marked 

 with narrow crescentic bars of black, these bars less distinct on flanks, 

 thighs, and anal region; under wing-coverts ochraceous-bufF or light 

 ochraceous, with narrow, more or less crescentic, bars of blackish; 

 inner webs of remiges light cinnamon-rufous, the outer primaries with 

 terminal portion dusky; bill brown or horn color (more or less deep), 

 paler (sometimes whitish) terminally and along tomia; iris brown; 

 legs and feet dark horn color or dusky (in dried skins). 



Young. — Similar to adults but general coloration darker and more 

 rufescent, the pileum sooty blackish, with streaks broader and more 

 tawny, the black bars on under parts indistinct or obsolete. 



Adult 7nale.— Length (skins), 238-280 (251); wing, 126-130 (127.6); 

 tail, 115.5-119.5 (116.7); culmen, 33-35 (34.1); tarsus, 26-28.5 (27); 

 middle toe, 20-22 (21.1).« 



Adult female.— hength. (skins), 250-273 (261); whig, 120-126 (123); 

 tail, 112-121 (116); culmen, 33.5-34 (33.7); tarsus, 27; middle toe, 

 20-21 (20.5).'' 



Costa Rica (Cartago, Naranjo, and Navarro, Cartago; Volcan de 

 Irazu; Rio Sucio; Laguaria, Los Reyes, Santa Maria, Dota) and 



