12 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



EUPHONIA ELEGANTISSIMA (Bonaparte). 

 BLUE-HOODED ETJPHONIA, 



Adult male.— Fovehead (more or less broadly) chestnut, margined 

 behind by a bar of black; crown, occiput, hindneck, and sides of neck 

 uniform light cerulean or turquoise blue, the feathers dusky grayish 

 beneath the surface; back, scapulars, lesser wing-coverts, rump, and 

 upper tail-coverts uniform dark steel blue, more or less tinged with 

 violet, especially on back; wings and tail black with steel blue edgings, 

 these broader and more violet on middle and greater wing-coverts, very 

 indistinct and (when obvious) more greenish on primaries; loral, sub- 

 orbital, auricular, and malar regions, chin, and throat, uniform black, 

 more or less glossed with steel blue or violet; rest of under parts deep 

 orange-ochraceous or orange-tawny, deeper, more chestnut-tawny, on 

 chest; under wing-coverts and axillars pale yellow, or white tinged 

 with yellow or buffy; bill black with basal portion of mandible gray- 

 ish; legs and feet horn color (in dried skins) ; length (skins), 100.3-116.8 

 (108.5); wing, 63-71.1 (66); tail, 37.6-45.2 (40.1); exposed culmen, 

 6.6-7.1 (6.9); tarsus, 12.2-15.2 (14.5); middle toe, 9.7-12.2 (11.2).^ 



Adult female. — Pileum and hindneck as in adult male, but black bar 

 separating chestnut of forehead from blue of crown less distinct; rest 

 of upper parts bright olive-green, more or less glossed with metallic 

 bluish green; remiges and rectrices blackish or dusky edged with olive- 

 green (very narrowly on primaries, very broadly on tertials, which have 

 outer webs mostly or wholly olive-green); auricular, suborbital, and 

 loral regions olive-green, the malar region similar but paler or more 

 yellowish; chin and throat light ochraceous or cinnamon-buff; rest of 

 under parts light j'ellowish olive-green, more olive-yellowish medially; 

 bill and feet as in adult male; length (skins), 99.1-114.3 (110.2); wing, 

 61-64.3 (62.7); tail, 33.3-39.6 (36.8); exposed culmen, 6.1-7.6 (6.9); 

 depth of bill at base, 4.3-4.6; tarsus, 13.7-15.7 (15); middle toe, 

 10.2-11.9 (11.7).' 



Southern Mexico, in States of Vera Cruz (Cordova; Jalapa; Ori- 

 zaba); Puebla (Chachapa) ; Mexico (City of Mexico) ; Oaxaca(Juquila; 

 La Parada), Guanajuato, etc., to Veragua (Calovevora). 



' Nine specimens. 

 ■' Seven specimens. 



