782 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
malar region, chin, throat, and chest plain brown (like color of 
rump); rest of underparts as in adult male, but the yellow usually 
less intense, and sides of breast washed or intermixed with brownish 
gray; maxilla blackish, the lower basal portion and mandible light 
grayish yellowish (in dried skins), the whole maxilla also sometimes 
yellowish; length (skins), 227-263 (242); wing, 105.5-115.5 (111.6); 
tail, 129.5-152 (138.4); culmen, 15.5-17.5 (17.2); tarsus, 12-14 
(12.8); inner anterior toe, 12-14 (13.2).¢ 
Immature male—lIntermediate in coloration between the adult 
male and adult female, the pileum, back, rump, upper tail-coverts, 
etc., being bright metallic golden green, as in the former, but sides 
of head, throat, and chest, together with larger wing-coverts and 
secondaries, brown, as in the latter; tail as in adult female but six 
middle rectrices partly metallic green basally, the middle pair without 
distinct black tip. (Older specimens have more or less of metallic 
green on chest, chin and throat black, and wing-coverts and sec- 
ondaries as in adult male.) 
Young male (nestling)—Pileum, hindneck, back, and scapulars 
warm cinnamon or russet, passing on rump and upper tail-coverts, 
into cinnamon-rufous, the middle rectrices chestnut abruptly tipped 
with black; wing-coverts and secondaries light buffy brown or wood 
brown, vermiculated with grayish dusky, most of the feathers with 
a very large roundish or subcordate spot of buff, deeper buff on 
lesser coverts, paler on tertials, these spots margined with a dusky 
line; remiges, primary coverts, alula, and lateral rectrices as in adult 
female; an interrupted white orbital ring, lores grayish dusky; 
chin, throat, and chest uniform cinnamon-brown or russet; rest of 
underparts light tawny, deeper on breast, paler posteriorly and on 
upper margin of breast (where somewhat intermixed with whitish 
tawny). 
Panamé (Lion Hill; Chepo; Panam4; Chitra; Calovévora; Bugaba; 
Divala; Santiago de Veragua; Santa Fé de Verégua; Cordillera de 
a Nineteen specimens. 
2 Cul- Inner 
Locality. Wing. | Tail. sHeL Tarsus.| ante- 
: rior toe 
MALES. 
Ten adult males from Panamé........-.-...-0--e22eeeee ee eee ee 107.9 | 131.5 16.6 12.8 12.7 
Ten adult males from Costa Rica.........2..2. see eee eee eee eee 112.7 | 136.5 16.4 12.7 12.9 
One adult male from Nicaragua....-.....--..--. 2-22 - eee eee eee 111.5 | 136 16.5 12.5 13 
FEMALES. 
Six adult females from Panamé.............2...22.eeeee eee ees 110.3 | 139.7 16.5 12.6 12.9 
Ten adult females from Costa Rica..........-....0.. cece ee eeee 112.3 | 187.7 16.6 13 13.2 
Three adult females from Nicaragua (2) and Honduras (1).....] 111.8] 138 17.2 12,7 13.7 
