174 CHECK-LIST OF NORTH AMERICAN BIRDS. 
427. Coeligena clemenciz LEss. 
Blue-throated Hummingbird. 
Ornismya clemencie Luss. Ois. Mouch. 1829, 216, pl. 80. 
Celigena clemencie Less. Ind. & Synop. Gen. Troch. 1832, p. xviii. 
[B—, C—, R—, C—.] 
GeEoc. Dist.— Southern Arizona, and the tablelands of Mexico to 
Guerrero and Oaxaca. 
Genus TROCHILUS Linnevs. 
SusGENus TROCHILUS. 
Trochilus Linn. S. N. ed. 10, I. 1758, 119. Type, by elimina- 
tion, Z! colubris LINN. 
428. Trochilus colubris Linn. 
Ruby-throated Hummingbird. 
Trochilus colubris LINN. S. N. ed. 10, I. 1758, 120. 
IB ren, C275. R335,1C\AooK 
Geroc. Dist.— Eastern North America to the Plains, north to the 
Fur Countries, breeding from Florida to Labrador, and south, in 
winter, to Cuba, Mexico, and Veragua. 
429, Trochilus alexandri Bourc. & MuLs. 
Black-chinned Hummingbird. 
Trochilus alexandri Bourc. & Mus. Ann. Soc. Agric. Lyons, 
IX. 1846, 330. 
[B 102, C 276, Riz36,.C Ano] 
Geoc. Dist.— Pacific coast region, from California to British 
Columbia, east to Utah and Arizona, and south to Lower California, 
the Valley of Mexico, and Guerrero. 
429.1. Trochilus violajugulum Jerrrries. 
Violet-throated Hummingbird. 
Trochilus violajugulum JEFFRIES, Auk, V. April, 1888, 168. 
[B—, C—, R—, C—.] 
Groc. Dist.— Coast of southern California (Santa Barbara). 
Known only from the type specimen. 
