_Richardsoni_ group: _Ursus richardsoni_ Swainson Shore of Arctic Ocean, west side Bathurst Inlet, near mouth of Hood River. _russelli_ Merriam[2] West side Mackenzie River delta, Canada. _phæonyx_ Merriam[2] Glacier Mountain, Tanana Mts., Alaska (about 2 miles below source of Comet Creek, near Forty-mile Creek, between Yukon and Tanana Rivers). _internationalis_ Merriam Alaska-Yukon boundary, about 50 miles south of Arctic coast. _ophrus_ Merriam Eastern British Columbia (exact locality unknown). _washake_ Merriam North Fork Shoshone River, Absaroka Mts., western Wyoming. _Kidderi_ group: _Ursus kidderi kidderi_ Merriam Chinitna Bay, Cook Inlet, Alaska. _kidderi tundrensis_ Merriam Shaktolik River, Norton Sound, Alaska. _eximius_ Merriam Head of Knik Arm, Cook Inlet, Alaska. _Innuitus_ group: _Ursus innuitus_ Merriam Golofnin Bay, south side Seward Peninsula, northwestern Alaska. _cressonus_ Merriam Lakina River, south slope Wrangell Range, Alaska. _alexandræ_ Merriam[2] Kusilof Lake, Kenai Peninsula, Alaska. _Townsendi_ group: _Ursus townsendi_ Merriam Mainland of Southeastern Alaska (exact locality uncertain).