142 CHECK-LIST OF NORTH AMERICAN BIRDS. 
e. Lagopus rupestris townsendi ELtuiot. Townsend’s Ptarmigan. [302d.] 
Lagopus rupestris townsendi EvuiotT, Auk, XIII, Jan., 1896, 26. (Kiska 
Island, Alaska.) 
RanGE.— Kiska, one of the Aleutian Islands, Alaska. 
jf. Lagopus rupestris chamberlaini Clark. Adak Ptarmigan. [302e.] 
Lagopus rupestris chamberlaini CLARK, Proc. U. 8S. Nat. Mus., XXXII, 
No. 1539, June 15, 1907, 469. (Adak Island, Alaska.) 
Rance.— Adak, one of the Aleutian Islands, Alaska. 
g. Lagopus rupestris dixoni GRINNELL. Dixon’s Ptarmigan. (302/.] 
Lagopus dixoni GRINNELL, Univ. Calif. Pub. Zool., V, No. 2, Feb. 18, 1909, 
207. (Near Port Frederick, at 2700 feet, Chichagof Island, Alaska.) 
RanGeE.— Islands near Sitka, Alaska. 
Lagopus évermanni Ettiot. Evermann’s Ptarmigan. ([302.1.] 
Lagopus evermannit Exxtor, Auk, XIII, Jan., 1896, 25, pl. iii. (Attu 
Island, Alaska.) 
Rance.— Attu, one of the Aleutian Islands, Alaska. 
Lagopus wélchi BREWSTER. Welch’s Ptarmigan. ([303.] 
Lagopus welchi Brewster, Auk, II, April, 1885, 194. (Newfoundland.) 
RanGe.— Newfoundland. 
Lagopus leucirus (SWAINSON). 
Rance.— Mountains of Alaska and British Columbia, south in the 
Rocky Mountains to New Mexico. 
a. Lagopus leucurus leucurus (Swainson). White-tailed Ptarmigan. [304.] 
Tetrao (Lagopus) leucurus Swainson, Fauna Bor.-Am., IT, 1831 (1832), 
356, pl. 63. (Rocky Mountains, Lat. 54° N.) 
Rance.— Rocky Mountains from northern British Columbia and central 
Alberta south to Vancouver Island, Washington, northwestern Montana, Colo- 
rado, and northern New Mexico. 
