398 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Adult male. — Above bright metallic bronze-green, including middle 

 pair of rectrices; secondaries and four innermost primaries hazel- 

 rufous, the inner secondaries with a metallic green spot at tip of outer 

 web and the rufous of primaries passing into purplish brown terminally ; 

 longer primaries uniform dusky, faintly glossed with purplish; lateral 

 rectrix with inner web grayish white (purer white basally), crossed 

 near tip by a bar of grayish dusky, the outer web hoary gray, darker 

 along edge and at tip; second, third, and fourth rectrices (counting 

 from each side) similar, but second with the white tip occupying both 

 webs, and third and fourth dusky at tip (without any white ter- 

 minal spot); under parts bright metallic yellowish green, the anal 

 region and under tail-coverts pure white; bill black; iris dark brown; 

 feet dusky brown (in dried skin); length (mounted specimen), 94; 

 wing, 70; tail, 38.1; culmen, 18.3." 



Adult female. — Above bright metallic golden green, the four 

 middle rectrices paler, more silvery green; the pair next to middle 

 tipped with white; two outer pairs of rectrices white, the outer- 

 most slightly edged with dusky on subterminal portion of outer 

 web, the next similarly but more extensively edged with dusky and 

 with a dusky grayish spot on subterminal portion of inner web, 

 next to edge; third rectrix with greater part of outer web light 

 bronze-green, broadly tipped with white and grayish basally, the 

 inner web more grayish bronzy green subterminally, white terminally, 

 and pale gray or grayish white basally; secondaries and innermost 

 primaries dull cinnamon-rufous, the latter passing into dusky pur- 

 plish bronze terminall}^ the longer primaries uniform purplish 

 dusky; under parts grayish white, the sides of breast spotted with 

 metallic green; femoral tufts and under tail-coverts white or grayish 

 white; bill, etc., as in adult male; length (skin), 96; wing, 54.5; 

 tail, 34.^ 



Southwestern Mexico, in States of Oaxaca (Putla) and Guerrero 

 (Omilteme; Chilpancingo) ; Puebla (Chinantla) ? 



Euphernsa poliocerca Elliot, Ann. and Mag. N. H., 4th ser., viii, Oct., 1871, 266 

 (Putla, Oaxaca; coll. D. G. Elliot); Classif. and Synop. Troch., 1879, 212.— 

 BoucARD, Notes quelques Troch., 1873, 13 (Putla); Gen. Hum. Birds, 1895, 

 170 (Putla; Chinantla, Puebla).— D'OcA, La Natiiraleza, iii, 1875, 302, 

 fig. 44; Troq. de Mex., 1875, 55, pi. (12), fig. 44.— Mulsant and Verreaux, 

 Hist. Nat. Ois.-Mouch., i, livr. 4, 1874, 271, pi. 24.— Gould, Suppl. Troch., 

 1881, pi. 55.— Salvin, Cat. Birds Brit. Mus., xvi, 1892, 74 (Putla; Omilteme, 

 Guerrero, 8,000 ft.). — Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1892, 

 272.— Hartert (E. and C), Novit. Zool., i, 1894, 19, 61 (Chilpancingo, 

 Guerrero, 5,000-7,000 ft.; descr. adult female). 



o Described from a specimen from Chilpancingo, Guerrero, collected by O. T. 

 Baron, and examined through courtesy of Mr. Frank Ward. 



b Description and measurements from no. 186475, coll. U. S. Nat. Mus. (Biological 

 Survey coll.), from Omilteme, Guerrero, May 23, 1903, Nelson and Goldman. The 

 tip of maxilla is broken off. 



