30 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM, 



green, the feathers with broad semimetallic margins, producing a dis- 

 tinct metallic gloss or sheen to the plumage; remiges and rectrices dusky 

 with olive-green edgings, narrower and more yellowish on primaries; 

 under parts deep olive-yellowish, darker (more yellowish olive-green) on 

 sides and flanks; under tail-coverts deep ochraceous or tawny; bill and 

 feet as in adult male; length (skins), 83.8-99.1 (95); wing, 49.5-58.7 

 (54. 6) ; tail, 22. 4r-32 (28. 2) ; exposed culmen, 7.9-8.6 (8. 4) ; depth of bill at 

 base, 4.8-5.8 (5.3); tarsus, 14.7-15.7 (15.2); middle toe, 9.9-11.7 (10.9).' 

 Southern Mexico, in States of Vera Cruz (Santecomapan), Oaxaca, 

 etc., and southward to Costa Rica (Angostura; Valza; Tucurriqui; San 

 Carlos; Jimenez; Pacuare; Dota Mts.). 



Euphonia ? Sclater, Proc. Zool. Soc. Lond., 1856, 303 (Mexico). 



Euphonia gouldi Sclater, Proc. Zool. Soc. Lond., xxv, 1857, 66, pi. 124 (Guate- 

 mala; coll. J. Gould), 229 (Santecomapan, Vera Cruz; Mosquito coast, Nica- 

 ragua); Ann. and Mag. N. H., 2d ser., xx, 1857, 319; Joum. fiir Orn., vi, 

 1858, 73; Cat. Am. Birds, ii, 1862, 60 (Choctum, Vera Paz, Guatemala); 

 Cat. Birds Brit. Mus., xi, 1886, 81 (Choctum and Kamkhal, Guatemala; 

 Belize, Brit. Honduras; Chontales, Nicaragua; Angostura and Valza, Costa 

 Rica). — Sclater and Salvin, Ibis, 1859, 17 (Guatemala).— Salvin, Ibis, 

 1860, 194 (Coban, Guatemala); 1872, 315 (Chontales, Nicaragua).— Frant- 

 zius, Journ. fiir Orn., 1869, 298 (Tucurriqui, etc., Costa Rica).— Bon- 

 CARD, Proc. Zool. Soc. Lond., 1878, 54 (San Carlos, Costa Rica). — Salvin 

 and GoDMAN, Biol. Centr.-Am., Aves, i, 1883, 263. — Ridgway, Proc. U. S. 

 Nat. Mus., X, 1887, 585 (Segovia R., Honduras). — Zeledon, Anal. Mus. Nae. 

 Costa Rica, i, 1887, 109 (Jimenez, Costa Rica). — Richmond, Proc. U. S. Nat. 

 Mus., xvi, 1893, 488 (Greytown and Rio Escondido, Nicaragua). 

 lEuphonia] gouldi Sclater and Salvin, Nom. Av. Neotr., 1873, 18. 

 Euphonia gouldii Lawrence, Ann. Lye. N. Y., ix, 1868, 98 (Angostura, Pacuare, 

 and Dota Mts., Costa Rica). — Sumichrast, Mem. Bost. Soc. N. H., i, 1869, 

 550 (hot region. Vera Cruz). 



' Twelve specimens. 



Specimens vary in measurements according to locality, those from Costa Rica and 

 Nicaragua being the smallest. The series examined is not sufficient, however, to 

 show whether there are constant local differences in either measurements or colora- 

 tion. Following are average measurements: 



