138 CHECK-LIST OF NORTH AMERICAN BIRDS. 



Dendragapus obscurus (SAY). 



RANGE. Rocky Mountain and Pacific coast regions from the upper 

 Yukon and upper Mackenzie rivers south to the mountains of Cali- 

 fornia and central Arizona. 



a. Dendragapus obscurus obscurus (SAY). Dusky Grouse. [297.] 



Tetrao obscurus SAY, in LONG'S Exped., II, 1823, 14 (note) . (Near " Defile 

 Creek," about 20 miles north of Colorado Springs, Colorado.) 



RANGE. Rocky Mountains from northern Utah and northern Colorado to 

 central western New Mexico and central Arizona, and west to East Humboldt 

 Mountains, Nevada. 



6. Dendragapus obscurus fuliginosus (RIDGWAY). Sooty Grouse. [297a.] 



Canace obscura var. fuliginosa RIDGWAY, Bull. Essex Inst., V, Dec., 

 1873, 199. (Cascade Mountains, at foot of Mt. Hood, Oregon.) 



RANGE. Northwest coast mountains from Alaska and southern Yukon 

 to Oregon. 



c. Dendragapus obscurus richardsoni (DOUGLAS). Richardson's Grouse. 



[2976.] 



Tetrao richardsonii DOUGLAS, Trans. Linn. Soc. Lond., XVI, Pt. I, 1829, 

 141. (Rocky Mountains, Lat. 52 N., Long. 115 W.; more numerous 

 in Columbia River region, Lat. 48 N., Long. 118 W.) 



RANGE. Rocky Mountains from southwestern Mackenzie to eastern 

 Oregon, Montana, and Wyoming. 



d. Dendragapus obscurus sie"rr CHAPMAN. Sierra Grouse. [297c.] 



Dendragapus obscurus sierrce CHAPMAN, Bull. Am. Mus. N. H., XX, April 

 25, 1904, 159. (Echo, El Dorado Co., California.) 



RANGE. Fort Klamath, Oregon, south through the mountains of California 

 to Mount Pinos (near Tejon). 



GENUS GANAGHITES STEJNEGER. 



Canachites STEJNEGER, Proc. U. S. Nat. Mus., VIII, 1885, 410. Type, 

 by orig. desig., Tetrao canadensis LINN^US. 



Canachites canadensis (LINNAEUS). 



RANGE. Wooded regions of Canada and Alaska south to northern 

 border of the United States. 



