234 BULLETIN 50, 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 in the brown edgings; chest light olive-brown or buffy 
grayish brown (varying from nearly broccoli brown to nearly 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 male.—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.—Length (skins), 250-273 (261); wing, 120-126 (123); 
tail, 112-121 (116); culmen, 33.5-34 (83.7); tarsus, 27; middle toe, 
20-21 (20.5).° 
Costa Rica (Cartago, Naranjo, and Navarro, Cartago; Volcan de 
Irazi; Rio Stcio; Laguaéria, Los Reyes, Santa Maria, Dota) and 
@ Six specimens. b Two specimens. 
Locality. Wing. | Tail. oor Tarsus. ae 
MALES. 
Five adult males from Costa Rica............--02.2eee eee eee 127.6 | 116.7 34.1 27 21.1 
One adult male from Panamé (Capira)....-..........-0.-02205- 126.5] 119.5 35 27.5 21 
FEMALES. 
One adult female from southwestern Costa Rica..............- 126 112 34 27 20 
One adult female from western Panamé (Chiriquf)............. 120 121 33.5 27 21 
