310 AORTH AMERICAN BIRDS. 



pale bufty; wing 3.00-3.15, tail 1.90-2.00, culmon 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 culraen 1.40-1.50. Hah. 

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



Genus CCELIGENA Lksson. (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 mediallj' and green laterallj- ; outer tail-feathers sometimes 

 broadlj- tipped with white ; adult males with throat blue, reddish purple, or pale 

 emerald-green, not very brilliant. 



a'. Lower parts dull grayish, glo.ssed 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 

 culmeu .85-1.00. Hab. Ilighlands of Mexico, north to southern Arizona. 

 427. C. clemenciae Less. Blue-tnroated Hummingbird. 

 6'. 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 graj^ ; length about 4.50, wing 

 2.60, tail 1.80. JIab. Highlands of Guatemala and Mexico, north to 

 Jalapa. C. henrica (Lkss. & Delattr.). Henri Delattre's Hummingbird.' 



a'. Lower parts dull white medially, metallic green laterally. 



Adult male with throat pale emerald-green, the leathers bordered with 

 white; length about 4.25, wing 2.40-2.70, tail 1.65-1.75, exposed culmen 

 .85-.90. Ifab. Highlands of Guatemala. 



C. viridipallens (BoURC. & MULS.) Pale -green-throated Hummingbird.' 



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



figs. 1-7.) 

 (4(J.) 



Species. 



Common Characters. — Upper parts metallic greenish, varj-ing from nearly 

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



' ffili'omntler tpeclnhiliii IjAWR., Ann. Lye. N. Y. viii. 1807, 472. Eugenei tpcc(abiU» MuLS., Hist. Nat. 

 Ois. Mouch. ii. 1870, 215. 



' Ornitmi/a henrica Less. A Dei.attr., Rov. ZooI. 1839, 17. Caetigmn henrici Cab. t IIein., Mus. Hein. iii. 

 1880, 15. 



« Trochihit Hridlpnllcun Bonne. 4 Mils., Ann. Soc. Lyons, 1840, 321. Caliyena viridijiallait McLS., Hist. 

 Nat. Ois. Mouch. i. 1877. 185. 



