614 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



posterior portion of sides, anal region, and under tail-co^erts, deep 

 russet, becoming paler and more ochraceous next to the pale grajdsh of 

 abdomen; bill black, the lower basal portion of mandible somtimes 

 slight! .V paler; legs and feet black or very dark horn color (in dried 

 skins); length (skins), 101-113 (107); wing, 51-59 (56.9); tail, 28.5- 

 31.5 (31.3); exposed ciilmen, 15-16.5 (15.9); tarsus, 21.5-27 (24.9); 

 middle toe, 14-16 (15)." 



Adult female. — Usually (?) undistinguishable as to coloration from 

 the adult male, but sometimes with streaks on throat obsolete; length 

 (skins), 103-112 (108); wing, 50.5-58 (54.7); tail, 26.5-32.5 (28.7); 

 exposed culmen, 14.5-16 (15.4); tarsus, 22-26.5 (24.8); middle toe, 

 14-15.5 (16). » 



Young. — Essentially like adults, but pileum entirely dark warm- 

 sepia or seal brown; chin and throat uniform pale gray, deepening on 

 chest into sooty gray; auricular region dusky gray, narrowly' streaked 

 with white, the upper portion (postocular stripe) brownish black. 



Chiriqui (Boquete; Volcan de Chiriqui), Veragua (Mina de Chorcha; 

 Cordillera del Chueu; Chitra; Calobre; Calovevora), and Costa Rica 

 (Jimenez; San Jose; Santa Ana; La Palma de San Jose; Navarro de 

 Cartago; Volcan de Irazu; Volcan de Poas; Volcan de Miravalles; El 

 Achiote). 



lieUrorhina leucophrys (not Troglodytes leucophrys Tschudi) ^aied, Eeview Am. 

 Birds, 1864, 118, part (description; San JosiS, Costa Rica). 



Cyphorinus leucophrys Lawrence, Ann. Lye. N. Y., ix, 1868, 92 (San Jos(5, Costa 

 Rica) . 



Henicorhina leucophrys Salvin, Proc. Zool. Soc. Lond., 1870, 181 (Calovevora, 

 Chitra, Cordillera del Chucu, and Mina de Chorcha, Veragua). — Boucard, 

 Proc. Zool. Soc. Lond., 1878, 51 (Navarro, Costa Rica). — Salvin and God- 

 man, Biol. Centr.-Am., Ayes, i, 1879, 80, part (Costa Rican and Panama 

 localities and references). — Sharpe, Cat. Birds Brit. Mus., vi, 1881, 288, 

 part (Costa Rica; Veragua; Panama). — Zeledon, Cat. Aves de Costa Rica, 

 1882, 3; Proc. U. S. Nat. Mus., viii, 1885, 105; Anal. Mus. Nac. Costa Rica, 

 1887, 105 (Santa Ana, La Palma de San Jos6, and Naranjo de Cartago, Costa 

 Rica).— Nutting, Proc. U. S. Nat. Mus., v, 1883, 494 (Irazu, Costa Rica; 

 habits).— Cherrie, Proc. U. S. Nat. Mus., xiv, 1891, 518 (Volcan de Poas, 

 Costa Rica; crit.). — Underwood, Ibis, 1896, 433 (Volcan de Miravalles, 

 Costa Rica). 



IHenicorhina] leucophrys Sclater and Salvin, Nom. Av. Neotr., 1873, 6, part. 



Henicorhina collina Bangs, Proc. New Engl. Zool. Club, iii, Jan. 30, 1902, 55 

 (Boquete, Chiriqui, 6,000 ft. alt; coll. E. A. and O. Bangs). 



H[enicorhina] leucophrys collina Hellhavr, Journ. fiir Orn., Oct., 1903, 531. 



« Nine specimens, from Chiriqui. 



^ Five specimens, from Chiriqui. The female from El Achiote, Costa Rica, meas- 

 ures as follows: Wing, 60; tail, 32; culmen, 15.5; tarsus, 25; middle toe, 16.5. 



