ORDER MACROCHIRES. 223 



425. Micropus melanoleucus (BAIRD). 



White-throated Swift. 



Cypselus melanoleucus BAIRD, Pr. Ac. Nat. Sci. Phila. June, 1854, 



118. 

 Micropus melanoleucus RIDGW. Auk, I. July, 1884, 230. 



[B 107, C 269, R 349, C 403.] 



HAB. Western United States, from the Rocky Mountains to the 

 Pacific, and south to Central America. 



SUBORDER TROCHILI. HUMMINGBIRDS. 



FAMILY TROCHILIDJE. HUMMINGBIRDS. 



GENUS EUGENES GOULD. 



Eugenes GOULD, Mon. Troch. pt. xii. 1856. Type, Trochilus fulgens 

 SWAINS. 



426. Eugenes fulgens (SWAINS.). 



Rivoli Hummingbird. 



Trochilus fulgens S WAINS. Phil. Mag. 1827, 441. 

 Eugenes fulgens GOULD, Mon. Troch. II. 1856, pi. 59. 



[B , C 274 bis, R 334, C 408.] 

 HAB. Southern Arizona, through Mexico to Guatemala. 



GENUS CGEJLIG-ENA LESSON. 



Cceligena LESS. Ind. & Synop. Gen. Troch. 1832, p. xviii. Type, 

 Ornismya clemencies LESS. 



427. Cceligena clemencise LESS. 



Blue-throated Hummingbird. 



Ornismya clemencies LESS. Ois. Mouch. 1829, 216, pi. So. 

 Cceligena clemencies LESS. Ind. & Synop. Gen. Troch. 1832, p. xviii. 



