BIRDS OF NORTH AND MIDDLE AMERICA. 21 



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

 and wing-coverts gloss^^ blue-black or dark steel })lue, more or less 

 tino-ed 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 \itei) basally, black- 

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

 (skins), 94-95.3 (9-1.5); wing, 55.1-55.9 (55.6); tail, 31.2-33.5 (32); 

 exposed culmen, 7.-l:-7.9 (7.6); depth of bill at base, 4.3-4.6 (4.4); 

 tarsus, 14.2-14.7 (14.5); middle toe, 9.7-10.2 (9.9).^ 



Adult female.— Ahoy e 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), 86.4-92.7 (89.4); wing, 51.1-51.8 (51.3); tail, 

 ^8.2-30 (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." 



Luinature 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 Railroad). 



Phonasca luteicapiUa C'ABANit^, .Tonrn. fiir Orn., viii, Sept., 1860, 332 (Costa Rica; 



coll. Berlin Mus.). 

 Euphonia luteicapiUa Lawrence, Ann. Lye. N. Y., ix, 1868, 98 (Costa Rica).— 

 Frantzius, Journ. fiir Orn., 1869, 297 (San Jose, Costa Rica).— Salvin, 

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

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

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

 Paraiso Station and Chepo, Isth. Panama) .—Sclater, Cat. Birds Brit. INIus., 

 xi, 1886, 68.— Zeledon, Anal. Mus. Nac. Costa Rica, i, 1887, 109 (San Jose, 

 Las Trojas de Puntarenas, Pacaca, and Monte Redondo de San Jose).— 

 Cherrie, Auk, ix, 1892, 24 (San Jose, Costa Rica; plumage of young male) .— 

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

 lEuphonia'] Zu^eicopiiZa Sclater and Salvin, Nom. Av. Neotr., 1873, 17. 

 A[croleptes'] luteicapillus Cabanis, Journ. fiir Orn., 1861, 91, in text. 



EUPHONIA AFFINIS (Lesson). 



LESSON'S ETJPHONIA. 



Adult 7nale.— Forehead and anterior portion of crown lemon yellow 

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

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



1 Three specimens. ' Two specimens. 



