ORDER MACROCHIRES. 223 



425. Micropus melanoleucus (Baird). 



Wliite-tlirouted Switt. 



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



iiS. 

 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 TROOHILID-ffl. Hummingbirds. 



Genus EUGENES Gould. 



Eugenes Gould, Men. Troch. pt. xii. 1856. Type, Trochilus fulgens 

 Swains. 



]26. Eugenes fulgens (S>vains.). 



Rivoli Hummingbird. 



Trochilus fulgens Swatn'S. Phil. Mag. 1827, 441. 

 Eugenes fulgens Gould, Mon. Troch. 11. 1856, pi. 59. 



[B— , C274^/s, R334, C408.] 



Hab. Southern Arizona, through Mexico to Guatemala. 



Genus CCELIGrENA Lesson. 



Cccligcna Less. Ind. «Sc Synop. Gen. Troch. 1832, p. xviii. Type, 

 Ornismya clemencice Less. 



427. Cceligena clemenciae Less. 



Blue-throated Hummingbird. * 



Ornismya clemencice Less. Ois. Mouch. 1829, 216, pi. 80. 

 Cceligena clemencice Less. Ind. & Synop. Gen. Troch. 1832, p. xviii. 



