KENTUCKY: _Lyon Co._: no exact locality, 1 (USNM). MONTANA: _Dawson Co._: Yellowstone River, 7 mi. NE Glendive, 2000 ft., 1 (MVZ). MINNESOTA: _Cass County_: _Cass Lake_, 7 (USBS). _Clearwater Co._: Itasca Park, Biological Station, 5 (UM). _Grant Co._: 3 mi. NW Barrett, 1 (UM). _Jackson Co._: 4 mi. E Heron Lake, 1 (UM). _Ottertail Co._: _5 mi. NW Vergas_, 8 (UM); _4 mi. NW Ashley, 1430 ft._, 2. _Ramsey Co._: St. Paul, 1 (UM). _Sherburne County_: Elk River, 23 (2 UM; 6 MVZ; 3 USBS). _Winona County_: La Crescent, 3 (USBS). NORTH DAKOTA: _Cass County_: Fargo, 1 (USBS). _Dickey County_: _Ludden_, 1 (USBS); Ellendale, 1 (USBS). _Kidder County_: _Pettibone_, 3 (Chic. AS). _La Moure County_: _La Moure_, 1 (USBS). _Oliver County_: Fort Clark, 3 (USBS). _Pembina County_: Pembina, 2 (USNM). _Ramsey County_: Devils Lake, 3 (USBS). _Ramson County_: _Lisbon_, 1 (USBS). _Richland County_: _Wahpeton_, 2 (USBS); _5 mi. NE Fairmont, Sioux River_, 5 (USBS); Blackner, 2 (USBS). _Rolette County_: Fish Lake, 2 (USBS). _Sioux County_: Cannon Ball, 4 (USBS). _Williams Co._: Grinnell, 2 (USBS). WISCONSIN: _Burnett County_: Danbury, 1 (USBS). _Chippewa County_: _Holcombe_, 3 (USBS). _Clark County_: _Withee_, 4 (USBS); _Worden Township_, 2 (USBS). _Crawford County_: Lynxville, 1 (USBS). _Dane Co._: _Madison_, 2 (OHIO). _Dodge Co._: _Horicorn Refuge_, 2 (USBS). _Juneau County_: _Mather_, 1 (USBS). _Marathon Co._: _Rib Hill_, 8 (USBS). _Oconto County_: Lakewood, 1 (USBS). _Portage County_: Stevens Point, 3 (USBS). _Price County_: Ogema, 2 (USBS). _Rock County_: Milton, 1 (USBS). _Sauk County_: _Devils Lake_, 1 (USBS). _Sheboygan County_: 8 mi. SW Mellen, 1 (USBS); _Elkhart Lake_, 1 (USBS). _Walworth County_: _Delavan, Fosters Bridge_, 1 (USBS); _Turtle Lake_, 1 (USBS). _Wood Co._: _Thorp Township_, 2 (AMNH); _Hewett Township_, 4 (AMNH). _Marginal records._--North Dakota: Fish Lake; Pembina. Wisconsin: Danbury; Ogema; Lakewood. Illinois: Fox Lake. Indiana: La Fayette; New Harmony. Illinois: 6 mi. S Pinckneyville (near Pyatt). Iowa: Ames; Arthur; Ireton. Montana: Yellowstone River, 7 mi. NE Glendive, 2000 ft. North Dakota: Grinnell. =Zapus hudsonius ladas= Bangs _Zapus hudsonius ladas_ Bangs, Proc. New England Zool. Club, 1:10, February 28, 1899. _Type._--Female, adult, skin and skull, No. 4169, E. A. and O. Bangs Coll. (now in Mus. Comp. Zool.); Rigoulette, Hamilton Inlet, Labrador; obtained on July 18, 1895, by C. H. Goldthwaite. _Range._--Eastern Quebec north of Gulf of St. Lawrence, Labrador, and Newfoundland. See fig. 47. Zonal range: Canadian and Hudsonian.