BIRDS OF NORTH AND MIDDLE AMERICA. 551 
Sporadinus ? maugzt Goutp, Mon. Troch., v, 1861, pl. 349; Introd. Troch., oct. 
ed., 1861, 173. 
Sporadinus maugaet Evxiot, Ibis, 1872, 356 (synon.); Classif. and Synop. Troch., 
1879, 242.—Mu.sant and VERREAUX,- Hist. Nat. Ois.-Mouch., ii, livr. 1, 
1875, 77; iv, livr. 3, 1878, 198.—Cory, Auk, iii, 1886, 359; ix, 1892, 229, in 
text; Birds West Ind., 1889, 154; Cat. West Ind. Birds, 1892, 13, 107, 132.— 
SALVIN, Cat. Birds Brit. Mus., xvi, 1892, 58.—Bownisu, Auk, xix, 1902, 366. 
[Sporadinus] maugexi ScitaTeR and Satvin, Nom. Av. Neotr., 1873, 94.—Cory, 
List Birds West Ind., 1885, 18. 
Clynanthus] maugertt JARDINE, Nat. Libr., Hummingbirds, ii, 1833, 174. 
_[Hylocharis] maugei Gray, Hand-list, i, 1869, 150, no. 1944. 
Sporadinus mauget Boucarp, Gen. Hum. Birds, 1894, 118. 
Chlorolampis maugeus MuLsANT and VERREAUX, Classif. Troch., 1866, 40.— 
GunpiacH, Anal. Soc. Esp. Hist. Nat., vii, 1878, 225. 
[Ricordia] mauget Stuon, Cat. Troch., 1897, 19. 
R{tcordia] maugaeus HarteErt, Das Tierreich, Troch., 1900, 80 (monogr.). 
[Ricordia] maugxi SHaRPE, Hand-list, ii, 1900, 114. 
[Sporadinus (Marsyas)] maugaet Mutsant, Ann. Soc. Linn. Lyon, xxii, 1876, 
209; Cat. Ois.-Mouch., 1875, 13. 
(?)[Thaumatias] ourissia BONAPARTE, Consp. Av., i, 1850, 79, part. 
[Coeligena] ourissia ReicHENBACH, Troch. Enum., 1855, 3, pl. 688, figs, 4519- 
4521. 
Chlorestes gertrudis GuNDLAcH, Journ. fiir Orn., 1874, 312 (nomen nudum), 315 
(first characterized). 
Chlorolamois gertrudis CaBaNIs, Journ. fiir Orn., 1875, 223. 
CHLOROSTILBON AURICEPS (Gould). 
GOLDEN-CROWNED EMERALD. 
Adult male—Pileum brilliantly metallic golden green; rest of 
upper parts, including wing-coverts, duller golden green or bronze- 
green; tail black, faintly glossed with violet-bluish, the six middle 
rectrices broadly and abruptly tipped with brownish gray, the 
fourth (on each side, from middle) with terminal fourth (more or 
less) of inner web broadly edged with the same; remiges brownish 
slate or dusky, faintly glossed with violaceous; under parts brilliantly 
metallic golden green, more strongly golden posteriorly, the chin 
and throat purer (less yellowish) green; femoral tufts white; maxilla 
dull black, more brownish basally; mandible pale brownish (pinkish 
of flesh colored in life?), with terminal third (more or less) dusky; 
iris dark brown; feet dusky; length (skins), 88-93.5 (91); wing, 
43-44 (43.4); tail, 38.5-45 (42.5); middle rectrices, 14-15 (14.6); 
culmen, 13-13.5 (13. 2) .% 
Adult female——Above bright metallic green or bronze-green; 
middle rectrices metallic bluish green to bronze-green, the second, 
third, and fourth rectrices bluish green for basal two-thirds (approxi- 
mately), black subterminally, tipped with brownish gray, the outer- 
most (fifth) pair with a broader brownish gray tip and a large 
median space of light brownish gray between the black subterminal 
* Four specimens, 
