Manitoba: York Factory, 2 (USBS); Shamatawa River, 1 (USBS); Oxford House, 15 (USBS); Robinson Portage, 4 (USBS); Echamamish, 1 (USBS); Norway House, 1 (USBS); Swan River, 1 (NMC); Bird, 1 (NMC); Aimie Lake, 2 (NMC); Albert’s Lake, Flin Flon, 2 (NMC); Portage La Prairie Prov., Delta, 1 (UM).

MacKenzie District: Fort Resolution, 3 (USBS); Fort Smith, 3 (USBS).

Michigan: Chippewa Co.: Marquette Nat’l Forest, 4; no exact locality, 2. Gogebic Co.: Mud Lake, 1/4 mi. SE Thousand Island Lake, 2. Keweenaw Co.: Lake Manganese, 1 mi. SSE Copper Harbor, 5 (UM); 21/5 mi. SE Copper Harbor, 8 (UM); 5 mi. E Eagle Harbor, 6 (UM); E end Lake Upson, 3 (UM); Bete Grise, 5 (UM). Marquette County: Michigamme, 3 (2 USBS). Menominee Co.: 8 mi. N Hermansville, 6 (UM); 6 mi. NW Banat, 8 (UM); 5 mi. SW Banat, 8 (UM); 8 mi. SW Banat, 2 (UM); 7 mi. E Stephenson, 3 (UM); 8 mi. WSW Stephenson, 2 (UM); 10 mi. W Stephenson, 2 (UM); 13 mi. WSW Stephenson, 2 (UM); 5 mi. N Menominee, 2 (UM).

Minnesota: Lake Co.: Splitrock River, 2 (UM); St. Louis County: Tower, 27 (USBS).

Ontario: Fort Severn, Kenora District, 6 (ROM); Minaki, 7 (MVZ); 30 mi. NE Port Arthur, 6 (UM); Silver Islet, Thunder Bay District, 4 (NMC); 20 mi. SW Fort Williams, 3 (UM); 20 mi. SE Fort Williams, 1 (UM).

Saskatchewan: Emma Lake, 3 (ROM).

Wisconsin: Bayfield County: Herbster, 4 (USBS); Brinks Camp, Washburn, 1 (AMNH); Basswood Lake, 10 mi. SE Iron River, 1 (USBS). Douglas County: Solon Springs, 9 (USBS). Forest County: Crandon, 1 (USBS). Iron County: Mercer, 2 (USBS). Oneida County: Crescent Lake, 2 (USBS). Vilas County: Mamie Lake, 2 (USBS); Lake St. Germain, 9 (USBS).

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Yukon: Lake Lebarge, 3 (USBS); Forks of MacMillian River, 1 (USBS); McIntyre Creek, 2250 ft., 3 mi. NW Whitehorse, 4.

Marginal records.—Alaska: Fairbanks. MacKenzie: Ft. Resolution. Manitoba: York Factory. Ontario: Fort Severn, Kenora District; Silver Islet, Thunder Bay Dist. Michigan: Marquette Nat’l Forest; 5 mi. N Menominee. Wisconsin: Crandon; Solon Springs. Minnesota: Tower. Manitoba: Portage la Prairie Prov., Delta. Saskatchewan: Emma Lake. Alberta: 30 mi. above Athabasca Landing, Athabasca River; Lac la Nonne. British Columbia: 1 mi. NW junction Irons Creek and Laird River. Yukon: McIntyre Creek, 2250 ft., 3 mi. NW Whitehorse; Lake Lebarge.