172 CHECK-LIST OF NORTH AMERICAN BIRDS. 



[B 108, C 270, R 350, C 404.J 



Geog. Dist. — Rocky Mountain region (Colorado), west to the 

 Pacific coast ; north to British Columbia, and south to Lower Cali- 

 fornia, Mexico, Costa Rica, and the West Indies. 



Genus CH2E!TURA Stephens. 



Chcetura Steph. Gen. Zool. XIII. pt. ii. 1825, 76. Type, Hirundo 

 pelagica Linn. 



423. Chsetura pelagica (Linn.). 



Chimney Swift. 



Hirundo pelagica Linn. S. N. ed. 10, I. 1758, 192. 

 Chcetura pelasgia Steph. Gen. Zool. XIII. pt. ii. 1825, 76. 



[B 109, C 271, R 351, C 405.] 



Geog. Dist. — Eastern North America, north to Labrador and the 

 Fur Countries, west to the Plains, and passing south of the United 

 States in winter at least to Jalapa, Mexico, and Cozumel Island. 



424. Chsetura vauxii (Towns.). 



Vaux's S^vift. 



Cypselus vauxii Towns. Journ. Ac. Nat. Sci. Phila. VIII. 1839, 



148. 

 Chcetura vauxii DeKay, Zool. N. Y. II. 1844, 36. 



[B no, C 272, R 352, C 406.] 



Geog. Dist. — Pacific coast of the United States northward to 

 British Columbia ; migrating south in winter to Lower California and 

 Mexico. 



Subfamily MICROPODINiE. Typical Swifts. 



Genus AERONAUTES Hartert. 



Aeronautes Hartert, Cat. Birds Brit. Mus. XVI, 1892, 459. 

 Type, Cypselus melanoleucus Baird. 



