810 NORTH AMERICAN BIRDS. 
pale buffy ; wing 3.00-3.15, tail 1.90-2.00, culmen 1.20-1.30. Adult female: 
Outer tail-feathers more narrowly (for about .20-.25) tipped with darker 
brownish gray ; wing 2.90, tail 1.85-1.90, exposed culmen 1.40-1.50. Hab. 
Highlands of Costa Rica. E. spectabilis (Lawz.). Admirable Hummingbird.! 
Genus CCELIGENA Lesson. (Page 308, pl. XC., fig. 3.) 
Species. 
Common CHaracters.—Above rather dull metallic greenish, changing to pur- 
plish black on upper tail-coverts and tail; ear-coverts dusky, bordered above by 
a conspicuous white streak; lower parts deep dull grayish, tinged with green 
on sides, or dull white medially and green laterally; outer tail-feathers sometimes 
broadly tipped with white; adult males with throat blue, reddish purple, or pale 
emerald-green, not very brilliant. 
a‘, Lower parts dull grayish, glossed with green on sides. 
b'. Outer tail-feathers broadly and abruptly tipped with white in both sexes; 
adult male with throat dull metallic azure-blue; length about 4.50-5.00 
(of male before skinning, 5.40), wing 2.90-3.20, tail 1.85-2.20, exposed 
culmen .85-1.00. Hab. Highlands of Mexico, north to southern Arizona. 
427. C. clemencize Less. Blue-throated Hummingbird. 
b?, Outer tail-feathers more narrowly and indistinctly tipped with dull brown- 
ish gray; adult male with throat metallic reddish purple, the feathers 
narrowly bordered with light brownish gray; length about 4.50, wing 
2.60, tail 1.80. Hab. Highlands of Guatemala and Mexico, north to 
Jalapa. C. henrica (Luss. & DeLatrr.). Henri Delattre’s Hummingbird.? 
a, Lower parts dull white medially, metallic green laterally. 
Adult male with throat pale emerald-green, the feathers bordered with 
white; length about 4.25, wing 2.40-2.70, tail 1.65-1.75, exposed culmen 
.85-.90. Hab. Highlands of Guatemala. 
C. viridipallens (Bourc. & Muts.) Pale-green-throated Hummingbird.’ 
Gents TROCHILUS Linnavus. (Page 308, pl. XC., figs. 4, 7-10; pl. XCLI, 
figs. 1-7.) 
(46.) 
Species. 
Common CHaracters.—Upper parts metallic greenish, varying from nearly 
pure green to bronzy; median lower parts whitish. Adult males with a portion, or 
1 Heliomaster spectabilis Lawr., Ann. Lye. N. Y. viii. 1867, 472. Eugenes spectabilis Muts., Hist. Nat. 
Ois. Mouch. ii. 1876, 215. 
2 Ornismya henrica Less. & DELatrR., Rev. Zool. 1839, 17. Coligena henrict Cas. & Hern., Mus. Hein. iii. 
1860, 15. 
8 Trochilue viridipallens Bourc. & Muts., Ann. Soc. Lyons, 1846, 321. Coligena viridipallens Muts., Hist. 
Nat. Ois. Mouch. i. 1877, 185. 
