ORDER PASSERES. 227 



Range. — Boreal zones of the Rocky Mountain region from central British 

 Columbia, southern Alberta, and southwestern South Dakota south to Arizona 

 and New Mexico; in winter to northwestern Nebraska. 



c. Perisoreus canadensis fumifrong Ridgway. Alaska Jay. [4846.] 



Perisoreus canadensis fumifrons Ridgway, Proc. U. S. Nat. Mas., Ill, 

 1880, 5. (Nulato, Alaska.) 



Range. — Wooded parts of Alaska, except coast district east and south of 

 the Alaska Peninsula, and central and southwestern Yukon. 



d. Perisoreus canadensis nigricapfllus Ridgway. Labrador Jay. [484c.] 



Perisoreus canadensis nigricapillus Ridgway, Proc. U. S. Nat. Mus., V, 

 1882, 15. (Coast of Labrador.) 



Range.^ — Northern and eastern Ungava, Labrador, and Newfoundland. 



Perisoreus obscurus Ridgway. 

 Range. — British Columbia south to northern California. 



a. Perisoreus obscurus obscurus Ridgway. Oregon Jay. [485.] 



Perisoreus canadensis var. obscurus Ridgway, Bull. Essex Inst., V, Nov., 

 1873, 194, 199. (Shoalwater Bay, Washington.) 



Range.— Pacific coast from southwestern British Columbia to Mendocino 

 Coimty, California. 



6. Perisoreus obscurus griseus Ridgway. Gray Jay. [485a.] 



Perisoreus obscurus griseus Ridgway, Auk, XVI, July, 1899, 255. (Keech- 

 elus Lake, Kittitas Co., Washington.) 



Range. — Interior of southern British Columbia south in the Cascades 

 to northern California; casual in the Sierras to Lake Tahoe. 



Subfamily CORVMiE. Crows. 



Genus CORVUS Linn^us. 



Corvus LinnjBus, Syst. Nat., ed. 10, 1, 1758, 105. Type, by subs, desig., 

 Corvus corax Linn^us (Gray, 1840). 



CorvTis corax Linnjeus. 

 Range. — Europe, northern and central Asia, and North America. 



