UNI r 



ORDER 



425. Aeronautes melanoleucus (BAIRD). 



White-throated Swift. 



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



118. 

 Aeronautes melanoleucus HARTERT, Cat. Birds Brit. Mus. XVI, 



1892, 459. 



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



GEOG. DIST. Western United States, from the Black Hills, 

 northern Wyoming, and southern Montana to the Pacific ; south, in 

 winter, to Guatemala. 



SUBORDER TROCHILI. HUMMINGBIRDS. 



FAMILY TROCHILIDJE. HUMMINGBIRDS. 



GENUS EUGENES GOULD. 



Eugenes GOULD, Mon. Troch. pt. xii. 1856, pi. 59. Type, Tro- 

 chilus fulgens SWAINS. 



426. Eugenes fulgens (SWAINS.). 



Rivoli Hummingbird. 



Trochilus fulgens SWAINS. Phil. Mag. I. 1827, 441. 

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



[B , C 2 74 to, R334, C 4 o8.] 



GEOG. DIST. Southern Arizona and tablelands of Mexico to 

 Nicaragua. 



GENUS CCBLIGENA LESSON. 



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

 Ornismya dementia LESS. 



