CYPSELID^ — THE SWIFTS — CH.ETURA. 



351 



First primary longest. Legs covered by a naked skin, witliout scutella; or fcatliers. 

 Tarsus longer than middle toe. Lateral toes equal, nearly as long as the middle. Ilind 

 toe scarcely versatile, or quite posterior ; with the claw, shorter than the middle toe with- 



C. pdasgia 



out it. Toes slender ; claws moderate. Feathers of the base of the bill not extending 

 beyond the beginning of the nostrils. 



Chcetura Vauxii, Tdwnsexd. 



THE OREGON SWIFT. 



Cypsdus Vauxii, Townsend, J. A. N. Sc. VIII. 1839, 148. (Oregon.) Ib. Narrative, 

 1839. — NuTTALL, Man. I. 2d ed. 738. — Chmtura Vaurii, De Kav, N. Y. Zool. II. 1844, 

 36. — Baird, P. R. Kep. IX. Birds, 14.5 ; upper fig. pi. 18. — Cooper and Suckley, 

 XII. iii. Zool. of W. T. 16.'). — Acanlhijlis Vauxii, Boxaparte, Comptes Uondiis, 

 XXVIII. 1854; notes Delattrc, 90. — C.vssiN, lUus. I. 1855, 250. — Newbekrv, Zool. 

 Cal. and Or. Route, 78 ; P. R. K. Surv. VI. 1857. 



Sp. Char. Li.uht sooty-brown ; iimip and under parts paler ; lightest on the chin and 

 throat. Length, 4. -25 ; extent, 11.50 ; wing, 4 50 ; tail, 1.90. L-is brown. 

 Hah. Pacific Coast, fi-om Puget's Sound to California. 



I first met witli tliese Ijirds on ]\Iay 4, 1864, in the Coast Eange, twelve 

 miles south of Santa Clara. They may have arrived some time earlier. 

 I was satisfied that they had nests in hollow trees at the snmmit of the 

 Coast Eange, but did not succeed in finding any. Dr. Townsend, in 1834, 

 found them at the Colunihia ItiA'er, breeding in hollow trees, forming a nest 



