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Lagopus rupestris rupestris (Gmelin), Southern rock ptarmigan. Generally greyish. 
Northern British Columbia and southern Yukon, central Mackenzie and Kee- 
watin, southern Baffin island and the Ungava peninsula to Newfoundland. 
Lagopus rupestris reinhardi (Brehm.). Reinhardt’s ptarmigan. Generally pale sand 
coloured. Southwestern Greenland north to near Disko island. 
Lagopus rupestris keUoggae Grinnell. Northern rock ptarmigan. Generally yellowish. 
The interior of Alaska and northern Yukon, the western Arctic coast to Coronation 
gulf, the Arctic islands, except southern Baffin island; and west Greenland 
north of Disko island. 
