200 CHECK-LIST OF NORTH AMERICAN BIRDS. 



Suborder CYPSELI. Swifts. 



Family MICR0P0DID.£. Swifts. 



Subfamily CEXYURISJE. Spine-tailed Swifts. 



Genus CTPSKLOIDES Streubel. 



Cypseloides Streubel, Isis, 1848, 366. Type, by subs, desig., Hemi- 

 procne fumigata Streubel (Sclater, 1865). 



Cypseloides niger (Gmelin). 



Range. — Western North America, the West Indies, and northern 

 South America. 



a. [Cypseloides niger niger. Extralimital.] 



b. Cypseloides niger borefilis (Kennerly). Black Swift. [422.] 



Cypselus borealis Kennerly, Proo. Acad. Nat. Sci. Phila., 1857, 202. 

 (Simiahmoo Bay, Puget Sound, Washington.) 



Range. — Western North America. Breeds from southern British Columbia 

 and southern Colorado south to central Mexico; winters in southern Mexico. 



Genus CH^ffiTURA Stephens. 



Chostura Stephens, General Zoology, XIII, ii, 1826, 76. Type, by subs, 

 desig., Hirundo pelagica Linnaeus (Baird, 1858). 



Chset^a peldgica (Linn.s:us). Chinmey Swift. [423.] 



Hirundo pelagica Linn^us, Syst. Nat., ed. 10, I, 1758, 192. (Carolina.) 



Range. — Breeds in eastern North America from southeastern Sas- 

 katchewan, Manitoba, central Quebec, and Newfoundland south to 

 the Gulf coast, and west to the Plains from eastern Montana to eastern 

 Texas; winters south of the United States, at least to Vera Cruz and 

 Cozumel Island and probably in Central America; casual in southern 

 Alberta; accidental in New Mexico and Greenland. 



