182 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Adult 7nale.— Length (skins), 128-149 (137); wing, 59.5-70.5 

 (63.8); tail, 58.5-65 (61.6); culmen, 12-15.5 (13.9); tarsus, 18.5-20 

 (19.1); middle toe, 15-16 (15.7).« 



Adult female.— Length (skins), 125-144 (133); wing, 57.5-65.5 

 (61.2); tail, 55.5-65 (59.3); culmen, 13-15.5 (14.3); tarsus, 18-19.5 

 (18.9); middle toe, 14.5-16 (15.5).^ 



Highlands of Costa Rica (San Jose; Rancho Redondo de San Jose; 

 San Mateo; Rio Siicio; Quebrada Honda; Birris, Azahar, and La 

 Estrella, Cartago; LaHondura; Carrillo; Volcan de Irazu; Guayabo; 

 Barranca; Coliblanco; Turrialba; Laguaria; Santa Maria de Dota) 

 and western Panama (Cordillera de Tole; Cordillera del Chucu; 

 Volcan de Chiriqui, 7,000-7,700 ft.; Boquete; Chitra; Calobre; 

 Calovevora). 



Margaromis brunnescens (not of Sclater, 1856) Salvin, Proc. Zool. Soc. Lond., 

 1867, 143 (Cordillera de Tole, Verdgua, Pauamd; crit.); 1870, 192 (Chitra 

 and Cordillera del Chucu, Verdgua, Panamd; crit.). — Lawrence, Ann. 

 Lye. N. Y., ix, 1868, 106 (San Jose, Rancho Redondo, Barranca, San Mateo, 

 and Birris, Costa Rica). — Frantzitjs, Joiu-n. fiir Orn., 1869, 304 (Costa 

 Rica).— RiDG WAY, Proc. U. S. Nat. Mas., vi, 1884, 415 (Rio Siicio, Costa 

 Rica). — Zeledon, Anal. Mus. Nac. Costa Rica, i, 1887, 113 (Turrialba, 

 Costa Rica). — Sclater, Cat. Birds Brit. Mus., xv, 1890, 123, part (Rancho 

 Redondo, Costa Rica; Calovevora, Panamd). — Salvin and Godman, Biol. 

 Centr.-Am., Aves, ii, 1891, 170, pi. 47, fig. 2, part (San Jos^, Quebrada 

 Honda, Rancho Redondo, Barranca, San Mateo, Birris, and Rio Siicio, Costa 

 Rica; Chiriqui, Chitra, Tole, Cordillera del Chucu, Calovevora, and Calobre, 

 Panamd). 



[Margaromis] brunnescens Sclater and Salvin, Nom. Av. Neotr., 1873, 67, part. 



[Sittasomus] brunnescens Gray, Hand-list, i, 1869, 180, no. 2476. 



Premnoplex brunnescens Bangs, Proc. New Engl. Zool. Club, iii, 1902, 46 (Boquete 

 and Volcan de Chiriqui, 4,000-7,700 ft., Panamd).— Ferry, Pub. 146, Field 

 MuB. N. H., om. ser., i, no. 6, 1910, 270 (Guayabo and Coliblanco, Costa 

 Rica). 



« Fourteen specimens. 



b Seventeen specimens. 



