230 
SWIFTS 
GENUS CH-fflTURA. 
General Characters. — Tail less than half as long as wing, rounded or 
even, the feathers-usually with distinct spines ; wing less than 5.50; tar¬ 
sus and toes naked, hind toe directed backward. 
KEY TO SPECIES. 
1. Wing 5 or more. Eastern.. • • • pelagica, p. 230. 
1'. Wing decidedly less than 5. Pacific to Sierra Nevada. 
vauxii, p. 231. 
423. Chaetura pelagica (Linn.). Chimney Swift. 
Sooty gray, the throat paler. Length: 4.75-5.50, wing 5.00-5.25, tail, 
including spines, 1.90-2.15. 
Fi K . 296. 
