ORDER GALLIFORMES. 81 



Genus BO NASA Stephens. 



Bonasa Stephens, in Shaw, General Zoology, XI, Pt. ii, Aug., 1819, 208. 

 Type, by subs, desig., Tetrao umbellus Linnaeus (Gray, 1840). 



Bonasa lunbellus umbellus (Linnaeus). Eastern Ruflfed Grouse. [300.] 



Tetrao umbellus Linnaeus, Syst. Nat., ed. 12, I, 1766, 275. Based on The 

 Ruffed Heath-cock or Grous Edwards, Gleanings Nat. Hist., 248. 

 (in Pennsylvania.) 



Range. — Southern Minnesota, southern Wisconsin, southern Michigan, 

 southern Ontario, southern New York, and Massachusetts south to eastern 

 Kansas, northern Arkansas (formerly), Missouri (rarely), Tennessee, and 

 Virginia, and in the mountains to northern Georgia and northern Alabama. 



Bonasa umbellus togSta (Linnaeus). Canada Ruffed Grouse. [300a.] 



Tetrao togatus Linnaeus, Syst. Nat., ed. 12, I, 1766, 275. Based on La 

 grosse Gelinote de Canada, Bonasa major Canadensis Brisson, Orn., I, 

 207. (in Canada.) 



Range. — Northern Ontario and northern Quebec to eastern North Dakota, 

 northern Minnesota, northern Michigan, central New York, northern Massa- 

 chusetts, Vermont, New Hampshire, and Maine. 



Bonasa umbellus thayeri Bangs. Nova Scotia Ruffed Grouse. [300d.] 



Bonasa umbellus thaijeri Bangs, Auk, XXIX, No. 3, July 6, 1912, 378. 

 (Digby, Nova Scotia.) 



Range. — Nova Scotia and probably eastern New Brunswick. 



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



Tetrao Umbelloides Douglas, Trans. Linn. Soc. Lond., XVI, Pt. i, 1829, 

 148 (read Dec. 16, 1828). (Valleys of Rocky Mountains, lat. 54° N., 

 and near sources of Columbia east of the Coast and Cascade ranges. 



Range. — Alberta and west-central Mackenzie south to northern Utah, 

 northern Colorado, and western South Dakota, including the whole of British 

 Columbia east of the Coast and Cascade ranges. 



Bonasa umbellus yukonensis Grinnell. Yukon Ruffed Grouse. [SOOe.] 



Bonasa umbellus yukonensis Grinnell, Condor, XVIII, No. 4, July 20, 

 1916, 166. (Forty-mile, Yukon Territory, on Yukon River, near 

 Alaska boundary.) 



Range. — Interior of Yukon Territory and Alaska. 



