200 CHECK-LIST OF NOETH AMERICAN BIRDS. 



Range. — Canadian Zone, from central Alaska, Yukon, northern Mackenzie, 

 northern Manitoba, and northern Quebec south to Oregon, the Sierra Nevada 

 of California (Mariposa County), Montana, Wyoming (Black Hills), northern 

 Minnesota, Michigan, northern Ontario, northern New York, Vermont, New 

 Hampshire, and Maine. Casual in winter in Nebraska, Wisconsin, Michigan, 

 Illinois, Indiana, Ohio, Massachusetts, Connecticut, southern New York, 

 Pennsylvania, and northern New Jersey. 



Picoldes tridactylus bacatus Bangs. American Three-toed Woodpecker. 



[401.] 



Picoides americaniis bacatus Bangs, Auk, XVII, No. 2, April, 1900, 136. 

 (Bangor, Maine.) 



Range. — -Hudsonian and Canadian zones from Labrador and northern 

 Quebec, southern Mackenzie, and northern Manitoba to northern Minnesota, 

 northern Michigan, central Ontario, northern New York, New Hampshire, and 

 Maine. Casual in winter in Massachusetts, southern Ontario, southern Wis- 

 consin, and southern British Colimibia. 



Picoides tridactylus dorsalis Baird. Alpine Three-toed Woodpecker. [4016.] 



Picoides dorsalis Baird, in Baird, Cassin, and Lawrence, Rep. Expl. 

 and Surv. R. R. Pac, IX, 1858, xxviii, 97, 100. (Laramie Peak 

 [Wyoming].) 



Range. — Boreal forests of the Rocky Mountains in northern Montana 

 and Wyoming to the high mountains of Arizona and New Mexico. 



Picoides tridactylus fasciatus Baird. Alaska Three-toed Woodpecker. 



[401o.] 



Picoides Americanus var. fasciatus Baird, in Cooper, Geol. Surv. Calif., 

 Orn., I, 1870, 385. (No locality mentioned = Fort Simpson, Mackenzie 

 River.) 



Range. — Hudsonian and Canadian zones from Alaska, Yukon, and western 

 Mackenzie through Alberta and western Saskatchewan to southern British 

 Columbia, Washington, Oregon, northern Idaho, and northern Montana. 



[Additional races of P. tridactylus occur in northern Europe and Asia.] 



Genus CAMPEPHILUS Gray. 



Canipephilus Gray, List Gen. Birds, 1840, 54. Type, by orig. desig., 

 Pic us jmncipalis Linnaeus. 



