ORDER MACROCHIRES. 177 
Genus CALOTHORAX Gray. 
Calothorax GRaAy, Gen. B. 1840, 13. Type, Cynanthus lucifer 
SWAINS, 
437. Calothorax lucifer (Swains.). 
Lucifer Hummingbird. 
Cynanthus lucifer Swans. Phil. Mag. I. 1827, 442. 
Calothorax lucifer Gray, Gen. B. I. 1844, 110. 
[B aaa) co, R 344; C 418. | 
Geroc. Dist.— Tablelands of Mexico, from Puebla and the Valley 
of Mexico north to southern Arizona. 
Genus AMAZILIA REICHENBACH. 
Amaszilia Reicu. Syst. Av. 1849, pl. 39. Type, Orthorhynchus 
amazilt LESS. 
438. Amazilia fuscicaudata (FRASER). 
Rieffer’s Hummingbird. 
Trochilus fuscicaudatus Fras. P. Z. S. 1840, 17. 
Amazilia fuscicaudata Ripcw. Pr. U. 8. Nat. Mus. I. 1878, 
Lio, 04s. 
[B-—, Cr R 345; C 419. | 
Groc. Dist.— Lower Rio Grande Valley in Texas, south through 
eastern Mexico to Central America and northern South America. 
439. Amazilia cerviniventris GouLp. 
Buff-bellied Hummingbird. 
Amazilius cerviniventris GOULD, P. Z. S. 1856, 150. 
[B—, C—, R 346, C 420.] 
Groce. Dist.— Valley of the Lower Rio Grande and south in east- 
ern Mexico to southern Vera Cruz. 
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