BIEDS OF NORTH AND MIDDLE AMERICA. 21 



convex posterior outline), back, scapulars, rump, upper tail-coverts, 

 and wing-coverts glossy blue-black or dark steel blue, more or less 

 tinged with violet on head and neck; remiges and rectrices black, with 

 dark greenish steel blue edgings; no white on inner webs of rectrices; 

 under parts of body clear Indian yellow, the under tail-coverts paler 

 (lemon yellow); bill light grayish (bluish gray in life?) basally, black- 

 ish terminally; legs and feet dark horn color (in dried skins); length 

 (skins), 94-95.3 (94.5); wing, 55.1-55.9 (55.6); tail, 31.2-33.5 (32); 

 exposed culmen, 7.4-7.9 (7.6); depth of bill at base, 4.3-4.6 (4.4); 

 tarsus, 14.2-14.7 (14.6); middle toe, 9.7-10.2 (9.9).^ 



Advit female. — Above plain yellowish olive-green, the remiges and 

 rectrices dusky with yellowish olive-green edgings; under parts dull 

 yellow (intermediate between wax yellow and gamboge), rather clearer 

 medially, slightly more olivaceous laterally; bill and feet as in adult 

 male; length (skins), 86.-^-92.7 (89.4); wing, 51.1-51.8 (51.3); tail, 

 28.2-30 (29); exposed culmen, 7.1-7.6 (7.4); depth of bill at base, 4.1- 

 4.3; tarsus, 13.5; middle toe, 9.4.^ 



Imm-ature male. — Variously intermediate in coloration between the 

 adult female and adult male, the black beginning first on lores and 

 chin and covering throat and foreneck before appearing on upper 

 parts; the forehead and superciliary region in this stage yellow, the 

 crown olive-green, like rest of upper parts. 



Young male. — Similar in coloration to adult female. 



Nicaragua (Rio Escondido) to Isthmus of Panama (Paraiso Station, 

 Panama Railx'oad). 



Phonasca luteicapilla Caeanis, Journ. fiir Orn., viii, Sept., 1860, 332 (Costa Rica; 

 coll. Berlin Mus.). 



Euphonia luteicapilla Lawrence, Ann. Lye. N. Y., ix, 1868, 98 (Costa Eica). — 

 Fkantzius, Journ. fiir Orn., 1869, 297 (San Jos6, Costa Rica). — Salvin, 

 Proc. Zool. Soc. Lond., 1870, 186 (Bugaba, Chiriqui; Boquete de Chitra, Vera- 

 gua). — Salvin and Godman, Biol. Centr.-Am., Aves, i, 1883, 260, pi. 16, fig. 1 

 (Turrialba, Costa Rica; Volcan de Chiriqui; Cordillera del Chucu, Veragua; 

 Paraiso Station and Chepo, Isth. Panama). — Sclatek, Cat. Birds Brit. Mus., 

 xi, 1886, 68.— Zkledon, Anal. Mus. Nac. Costa Eica, i, 1887, 109 (San Jos6, 

 Las Trojas de Puntarenas, Pacaca, and Monte Eedondo de San Jos6). — 

 Cheerie, Auk, ix, 1892, 24 (San Jos4, Costa Eica; plumage of young male) . — 

 EicHMOND, Proc. U. S. Nat. Mus., xvi, 1893, 488 (Rio Escondido, Nicaragua). 



\_Euphonia] luteicapilla Sclater and Salvin, Nom. Av. Neotr., 1873, 17. 



A\croleptes\ lutdcapillus Caeanis, Journ. fiir Orn., 1861, 91, in text. 



EUPHONIA AFFINIS (Lesson). 

 LESSON'S EUPHONIA. 



Adult male. — Forehead and anterior portion of crown lemon yellow 

 (extending farther backward laterally, or to beyond eyes), the first 

 narrowly bordered anteriorly with black; rest of head, all round, with 



' Three specimens. * Two specimens. 



