310 NORTH AMERICAN BIRDS. 



pale buify; 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. Hah. 

 Highlands of Costa Rica. E. spectabilis (Lawr.). Admirable Hummingbird.^ 



Genus CCELIGENA Lesson. (Page 308, pi. 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. 



¥. 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 .90-1.00. Hah. Highlands of Guatemala and Mexico, north to 

 southern Arizona. 



427. C. clemencise Less. Blue-throated Hummingbird. 

 ¥. 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. Hah. Highlands of Guatemala and Mexico, north to 

 Jalapa. C. henrica (Less. &, Delattr.). 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 1.40-1.70, tail 1.65-1.75, exposed culmen 

 .85-.90. Hah. Highlands of Guatemala. 



C. viridipallens (BouRC. & MuLS.) Pale -green- throated Hummingbird.' 



Genus TROCHILUS Linnaeus. (Page 308, pi. XC, figs. 4, 7-10; pi. XCL, 



figs. 1-7.) 



Species. 



Common Characters. — Upper parts metallic greenish, varying from nearly 

 pure green to bronzy ; median lower parts whitish.. Ad,ult males with a portion, or 



1 Heliomaster spectabilis Lawr., Ann. Lye. N. Y. viii. 1867, 472. Eugenes spectabilis MuLS., Hist. Nat. 

 Ois. Mouch. ii. 1876, 215, 



2 Orniamya henrica Less. & Delattr., Rev. Zool. 18.39, 17. Coeligena Tienrici Cab. & Hein., Mus. Hein. iii. 

 1860, 15. 



3 Trochilus viridipallens BoURC. & MuLS., Ann. Soc. Lyons, 1846, 321, Coeligena viridipallens MuLS., Hist. 

 Nat. Ois. Moucli. i. 1877, 185. 



