MILLER AND REHN: NORTH AMERICAN MAMMALS. 117 
251. 
Nasua thersites Thomas. 
1901. Nasua thersites Thomas, Ann. and mag. nat. hist., 7th 
ser., viii, p. 271. October, 1901. 
Type locality.— Cozumel Island, Yucatan. 
Genus PROCYON Storr. 
252. Procyon pygmaeus Merriam. 
1901. Procyon pygmaeus Merriam, Proc. biol. soc. Washing¬ 
ton, xiv, p. 101. July 19, 1901. 
Type locality.— Cozumel Island, Yucatan. 
Family URSIDAE. 
Genus URSUS Linnaeus. 
253. Ursus carlottae Osgood. 
1901. Ursus ( Euarctos ) carlottae Osgood, North Amer. 
fauna, no. 21, p. 30. September 26, 1901. 
Type locality.— Massett, Graham Island, Queen Charlotte 
Islands, British Columbia, Canada. 
254. Ursus dalli gyas Merriam. 
1902. Ursus dalli gyas Merriam, Proc. biol. soc. Washing¬ 
ton, xv, p. 78. March 22, 1902. 
Ty f pe locality.— Pavlof Bay, Alaska Peninsula, Alaska. 
255. Ursus kidderi Merriam. 
1902. Ursus kidderi Merriam, Proc. biol. soc. Washington, 
xv, p. 78. March 22, 1902. 
Type locality.— Chinitna Bay, Cook Inlet, Alaska. 
256. Ursus merriami Allen. 
1902. Ursus merriami Allen, Bull. Amer. mus. nat. hist., 
xvi, p. 141. April 12, 1902. 
Type locality.— Portage Bay, opposite Port Muller, Alaska 
Peninsula, Alaska. 
According to J. A. Allen (Bull. Amer. mus. nat. hist., xiv, p. 
227, July 12, 1902), this is probably the same as Ursus dalli gyas. 
