140 CHECK-LIST OF NORTH AMERICAN BIRDS. 
a. Bonasa umbellus umbellus (Linnmus). Ruffed Grouse. (300.] 
Tetrao umbellus Linnxus, Syst. Nat., ed. 12, I, 1766, 275. (Pennsyl- 
vania.) 
Rance.— 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. 
b. Bonasa umbellus togata (Linn#zus). Canada Ruffed Grouse. [300a.] 
Tetrao togatus Linnmus, Syst. Nat., ed. 12, I, 1766, 275. (Canada.) 
Ranee.— 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 (Doucias). Gray Ruffed Grouse. [300b.] 
Tetrao umbelloides Douauas, Trans. Linn. Soc. Lond., XVI, Pt. I, 1829, 
148. (Valleys. of Rocky Mountains, Lat. 54° N., near sources of 
Peace River.) 
RanceE.— 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 sébini (Doucias). Oregon Ruffed Grouse. (300c.] 
Tetrao sabini Dovauas, 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.) 
RancGE.— 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=vs. 
Lagépus lagépus (LINN xUs). 
RanGE.— Northern part of the Northern Hemisphere. 
a. Lagopus lagopus lagopus (Linnm=us). Willow Ptarmigan. ([301.] 
Tetrao lagopus Linnaxus, Syst. Nat., ed. 10, I, 1758, 159. (Lapland.) 
