538 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
longest. Tail nearly to quite two-thirds as long as wing, dis- 
tinetly forked, the rectrices (except middle pair) rather narrow, with 
rounded tip. 
Coloration.—Above metallic green, bronze-green, or greenish 
bronze, the middle rectrices sometimes blackish, the lateral rectrices 
always black or blackish; beneath metallic green or green with 
violet-blue throat and chest, the abdomen and under tail-coverts 
sometimes white. Adult females with under parts white, more or 
less greenish laterally (the throat sometimes spotted with green), 
the lateral rectrices tipped with pale grayish. 
Range.—Western Costa Rica to western and central Colombia. 
(Four species.) 
KEY TO THE SPECIES OF LEPIDOPYGA. 
u. Under parts mostly metallic green or violet-blue. (Adult males.) 
b. Throat and chest violet-blue. (Panamd4 and southwestern Costa Rica.) 
Lepidopyga czeruleogularis, adult male (p. 539). 
bb. Throat and chest green. 
c. Abdomen metallic green; under tail-coverts green medially. 
d. Under tail-coverts metallic green margined with white; feathers of throat 
and chest with subterminal (concealed) bar gray. (Northeastern Colom- 
Dies) on cc eGcekecacices Lepidopyga ccelina, adult male (extralimital).,¢ 
dd. Under tail-coverts white with a mesial streak of green; feathers of throat - 
and chest with subterminal (concealed) bar white. (Central and north- 
ern Colombia.).......... Lepidopyga goudoti, adult male (extralimital).? 
ce. Abdomen and under tail-coverts immaculate white. (Pacific coast of Costa 
RUCAn)Svenisteaoktteoe ii ee anne Lepidopyga boucardi, adult male (p. 541). 
aa. Under parts mostly white. 
b. Chin, throat, and chest white or mostly white. 
@ Thalurania celina Bourcier, Rev. et Mag. de Zool., 1853, 553 (Santa Marta, 
Colombia).—Lepidopyga celina Simon, Rev. Frang. d’Orn., nos. 5, 6, Sept.—Oct., 
1909, 66 (crit.).—Sapphironia luminosa Lawrence, Ann. Lyc. N. H. N. Y., vii, 1862, 
458 (Barranquilla, Colombia; coll. G. N. Lawrence?).—Llepidopyga] luminosa Heine, 
Journ. fiir Orn., 1863, 194 (crit.); Hartert, Das Tierreich, Troch., 1900, 50 (monogr.).— 
Cyanophaia luminosa Elliot, Classif. and Synop. Troch., 1879, 235; Salvin, Cat. 
Birds Brit. Mus., xvi, 1892, 235.—[Emilia] luminosa Mulsant, Ann. Soc. Linn. Lyon, 
n. 8., xxii, 1876, 208.—L[epidopyga] (Cyanophaia) luminosa Simon, Rev. Franc. 
d’Orn., nos. 5, 6, Sept., Oct., 1909, 66, in text (crit.). 
 T[rochtlus] goudoti Bourcier, Rev. Zool., vi, April, 1843, 100 (Ibagué, Colombia); 
Bourcier and Mulsant, Ann. Sci. Phys. et Nat., etc., Lyon, vi, 1843, 47.[Sau- 
cerottia] goudoti Bonaparte, Consp. Av., i, 1850, 77.—LAgyrtria. 0. Chalybura] goudoti 
Reichenbach, Aufz. der Colibr., 1854, 10.—Hylocharis goudoti Bonaparte, Rev. Zool., 
1854, 255.—[Agyriria] goudotti Reichenbach, Troch. Enum., 1855, 7, pl. 763, figs. 
4765, 4766.—Sapphironia goudoti Gould, Mon. Troch., pt. v, 1860, pl. 345; Introd. 
Troch., oct. ed., 1861, 172.—L[epidopyga] goudoti Cabanis and Heine, Mus. Hein., 
iii, 1860, 40, footnote.—Chrysolampis (Emilia) goudoti Mulsant and Verreaux, Classif. 
Troch., 1866, 41.—Emilia goudoti Mulsant and Verreaux, Hist. Nat. Ois.-Mouch., 
ii, 1875, 64.—[Polytmus] goudoti Gray, Hand-list, i, 1869, 131, no. 1673.—Cyanophaia 
goudoti Elliot, Classif. and Synop. Troch., 1879, 239; Salvin, Cat. Birds Brit. Mus., 
xvi, 1892, 234.—L[epidopyga] goudoti Hartert, Das Tierreich, Troch., 1900, 50. 
