MILLER AND REHN: NORTH AMERICAN MAMMALS. 233 
1885. Ursus horribilis True, Proc. U. S. nat. mus., vii (1884), 
p. 608. 1885. (Part.) 
Type locality.— Montana. 
Ursus horribilis alascensis Merriam. 
1896. Ursus horribilis alascensis IMerriam, Proc. hiol. soc. 
Washington, x, p. 74. April 13, 1896. 
Type locality. — Norton Sound, Alaska. 
Ursus horribilis californicus ^Merriam. 
1896. horribilis'] subspecies californicus Merriam, 
Proc. biol. soc. Washington, x, p. 76. April 13, 1896. 
Type locality. — Monterey, Monterey County, California. 
Ursus horribilis horriaeus Baird. 
1859. Ursus horribilis var. horriaeus Baird, Rep. Mexican 
boundary survey, ii, pt. ii, p. 24. 
1896. Ursus horribilis horriaeuS' Merriam, Proc. biol. soc. 
Washington, x, p. 75. April 13, 1896. 
Type locality. — Los Nogales, State of Sonora, Mexico, near 
I 
' border of Pima County, Arizona. 
* Ursus richardsoni Swainson. 
1838. Ursus richardsoyii Swainson, Anim. in menageries, p. 
54. 
1885. Ursus richardsoni True, Proc. ir.\S. nat. mus., vii 
(1884), p. 608. 1885. 
Type locality. — Shore of the Arctic Ocean, Mackenzie, 
Canada. 
Subgenus Euarctos Gray. 
1864. Euarctos Gray, Proc. zool. soc. London, p, 692. Type. — 
Ursus americanus Pallas. 
* Ursus americanus Pallas. 
1780. Ursus americanus Pallas, Spicilegia zoologica, fasc. 
XIY, p. 5. 
