466 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



tail, 45.5-53 (48.2); exposed eulmen, 11.5-13 (12.5); tarsus, 14.5-16 

 (15.5); middle toe, 9-10 (9.2).« 



Adult male.— Length (skins), 106-122 (114); wing, 58-63.5 (60); 

 tail, 43-50 (45.3); exposed eulmen, 12-13 (12.4); tarsus, 14.5-15.5 

 (14.9); middle to«, 9-9.5 (9.2).^ 



Nicaragua (Greytown; Rio Escondido; Los Sabalos), Costa Rica 

 (Angostura; Pacuarito; Matina; Val; Guayabal; San Mateo; Guaitil; 

 Turrialba; Pajiia; Volcan de Miravalles; Bonilla; Jimenez; Pozo 

 Azul de Pirris; Pozo del Pital) and northern Panama (Divala; Bogaba; 

 Bocjuete de Chitra; Calovevora; Santa Fe de Veragua). 



Mionectes oleagineus Salvin, Proc. Zool. Soc. Lond., 1867, 147 (Santa Fe de Ve- 

 ragua, Panama); 1870, 196 (Bugaba, Boquete de Chitra, and Calovevora, Ve- 

 ragua). — Lawrence, Ann. Lye. N. Y., ix, 1868, 89, 111 (Costa Rica). — Frant- 

 zius, .Tourn. fur Orn., 1869, 307 (Costa Rica). — Boucard, Proc. Zool. Soc. 

 Lond., 1878, 63 (San Mateo, Costa Rica).— Nutting, Proc. U. S. Nat. Mus., vi, 

 1883, 402 (Los Sabalos, Nicaragua). — Sclater, Cat. Birds Brit. Mus., xiv, 

 1888, 112, part (Guaitil and Turrialba, Costa Rica; Calovevora and Santa Fe 

 de Veragua, Panama). — SALViNand Godman, Biol. Centr.-Am., Aves, ii, 1888, 

 22, part (Nicaraguan, Costa Rican, and Panaman localities and references). — 

 Underwood, Ibis, 1896, 438 (Volcan de Miravalles, Costa Rica). 



Mionectes assimilis (not of Sclater) Lawrence, Ann. Lye. N. Y., ix, 1868, 111 

 (Angostura, Guaitil, and Payua, Costa Rica). — Frantzius, .lourn. fiir Orn., 

 1869, 307 (Costa Rica). 



[Mionectes] assimilis Sharpk, Hand-list, iii, 1901, 114, part (Costa Rica). 



[Mionectes oleagineus.] a. Subsp. assimilis Sclater, Cat. Birds Brit. Mus., xiv, 

 1888, 113, part (Guaitil and Turrial]>a, Costa Rica; Calovevora, Santa Fe de 

 Veragua, etc., Panama). 



Mionectes oleagineus assimilis Richmond, Proc. U. S. Nat. Mus., xvi, Oct. 4, 1903, 

 505, (Greytown and Rio Escondido, Nicaragua). 



Mionectes assimilis dyscolus Bangs, Auk, xviii, Oct., 1901, 362 (Divala, Chiriqui, 

 Panama; coll. E. A. and O. Bangs). 



« Thirteen specimens. 

 b Eleven specimens. 



Specimens from Costa Rica and Nicaragua are intermediate but on the whole nearer 

 the Panama form than to the typical form of southern Mexico. 



