140 CHECK-LIST OF NORTH AMERICAN BIRDS. 



a. Bonasa umbellus umbellus (LINNAEUS). Ruffed Grouse. [300.] 



Tetrao umbellus LINNAEUS, Syst. Nat., ed. 12, I, 1766, 275. (Pennsyl- 

 vania.) 



RANGE. Eastern United States from Minnesota, Michigan, southern New 

 York, and southern Vermont south to eastern Kansas, northern Arkansas, 

 Tennessee, and Virginia, and in the Alleghenies to northern Georgia. 



6. Bonasa umbellus tog&ta (LINNAEUS). Canada Ruffed Grouse. [SOOa.j 

 Tetrao togatus LINN^US, Syst. Nat., ed. 12, I, 1766, 275. (Canada.) 



RANGE. Central Keewatin, southern Ungava, and Nova Scotia south to 

 Manitoba, northern Michigan, northern Vermont, New Hampshire, and 

 Maine, and in the mountains of New York, western Massachusetts, and 

 northern Connecticut; birds indistinguishable from the eastern form occur 

 from east central British Columbia south to eastern Oregon and central Idaho. 



c. Bonasa umbellus umbelloides (DOUGLAS). Gray Ruffed Grouse. [3006.] 



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

 148. (Valleys of Rocky Mountains, Lat. 54 N., near sources of 

 Peace River.) 



RANGE. Norton Sound, Alaska, east to central Yukon and west central 

 Mackenzie, and south to northern Utah, northern Colorado, and western 

 South Dakota. 



d. Bonasa umbellus sa"bini (DOUGLAS). Oregon Ruffed Grouse. [300c.] 



Tetrao sabini DOUGLAS, Trans. Linn. Soc. Lond., XVI, Pt. I, 1829, 137. 

 (Coast of North-west America, between Lat. 40 and 49 N., from 

 Cape Mendocino to Vancouver Island.) 



RANGE. Coast ranges from southern Alaska to Humboldt County, Cali- 

 fornia. 



GENUS LAGOPUS BRISSON. 



Lagopus BRISSON, Orn., I, 1760, 181. Type, by tautonymy, [Lagopus] 

 lagopus BRISSON = Tetrao lagopus LINN.EUS. 



Lag6ptis lagdpus 



RANGE. Northern part of the Northern Hemisphere. 



a. Lagopus lagopus lagopus (LINNJBTJS). Willow Ptarmigan. [301.] 

 Tetrao lagopus LINNAEUS, Syst. Nat., ed. 10, I, 1758, 159. (Lapland.) 



