ORDER MACROCHIRES. I 77 



Genus CALOTHORAX Gray. 



Calothorax Gray, Gen. B. 1840, 13. Type, Cynanthus lucifer 

 Swains. 



437. Calothorax lucifer (Swains.). 



Lucifer HummingMrd. 



Cynanthus lucifer Swains. Phil. Mag. I. 1827, 442. 

 Calothorax lucifer Gray, Gen. B. I. 1844, no. 



[B— C— R344, C418.] 



Geog. Dist. — Tablelands of Mexico, from Puebla and the Valley 

 of Mexico north to southern Arizona. 



Genus AMAZILIA Reichenbach. 



Amazilia Reich. Syst. Av. 1849, P^- 39- Type, Orthorhynchus 

 amazili Less. 



438. Amazilia fuscicaudata (Fraser). 



Rleffer's Hummingbird. 



Trochilus fuscicaudatus Fras. P. Z. S. r84o, ry. 

 Amazilia fuscicaudata RiDGW. Pr. U. S. Nat. Mus. I. 1878, 

 118, r47. 



[B— , C— , R34S, C4I9-] 

 Geog. Dist. — Lower Rio Grande Valley in Texas, south through 

 eastern Mexico to Central America and northern South America. 



439. Amazilia cerviniventris Gould. 



Buff-bellied Hummingbird. 



Amazilius cerviniventris Gould, P. Z. S. 1856, 150. 



[B— , C— , R346, C420.] 



Geog. Dist. — Valley of the Lower Rio Grande and south in east- 

 ern Mexico to southern Vera Cruz. 



