BIRDS OF NORTH AND MIDDLE AMERICA. 145 
GRALLARICULA COSTARICENSIS Lawrence. 
COSTA RICAN GRALLARICULA. 
Adults (sexes alike.)—Pileum and hindneck plain grayish olive, 
more brownish on forehead; rest of upper parts plain brownish olive, 
the general color of wings, together with tail, decidedly browner 
(sometimes nearly prouts brown); outer web of exterior feather of 
alula buff or ochraceous-buff; wing-coverts sometimes with an indis- 
tinct terminal spot or terminal margin of light tawny or rufescent 
brown; an indistinct orbital ring of tawny; lores buffy or ochraceous, 
suffused with black or dusky in middle portion; suborbital and 
auricular regions olive tinged with tawny, the latter with very indis- 
tinct narrow shaft-streaks of paler; malar region, chin, throat, chest, 
and sides ochraceous or tawny-ochraceous, usually somewhat paler 
on chin and throat, the chest usually more or less distinctly marked 
Grregularly) with black or dusky; abdomen and median lower part 
of breast white or buffy white, the latter, as well as sides of abdo- 
men, usually flecked with black or dusky; under tail-coverts pale 
buff or buffy whitish; under wing-coverts clear ochraceous, those over 
carpo-metacarpal joint, more or less extensively, dusky; inner webs 
of remiges rather indistinctly edged with brownish buff or pale wood 
brown; maxilla horn brown (more or less dark), mandible pale dull 
yellowish (wax yellow in life) ;% iris brown® or red; legs and feet 
pale yellowish brown (yellowish olive in life) .2 
Adult male—Length (skin), 97; wing, 66; tail, 26; culmen, 13.5; 
tarsus, 21.5; middle toe, 13.5. 
Adult female.—Length (skins), 86.5-100.5 (92); wing, 61.5-64 
(62.8); tail, 18-24.5 (21.7); culmen, 13.5-14.5 (14); tarsus, 20.5-21 
(20.7); middle toe, 13.5-14 (13.7).© 
Costa Rica (Navarro; Barranca; Buena Vista; Rio Sticio; Cari- 
blanco de Sarapiqui; base of Volcén de Turrialba, 2,000 ft.) and 
western Panama (Chitra; Calovévora; Calobre; Cordillera de Tolé; 
Caribbean slope, Chiriquf). 
Grallaricula costaricensis LawRENCE, Ann. Lyc. Nat. Hist. N. Y., viii, 1867, 346 
(Barranca, Costa Rica; coll. U. 8. Nat. Mus.); ix, 1868, 110 (Barranca).— 
Satvin, Proc. Zool. Soc. Lond., 1867, 146 (Cordillera de Tolé, Panam4); 
a J.C. Zeledén, on label. 
oF. Carmiol, on label. 
¢ Three specimens. 
Locality. Wing. | Tail. | CU | -rarsus,| Middle 
Two adult females from Costa Rica......-.......222---+02202-- 62.3 20.3 14 20.7 13.7 
One adult female from western Panama (Chiriquf)............. 64 24.5 14) J. ereinacesd| neisecie eee 
*81255°—Bull. 50—11——10 
