NORTH AMERICAN RECENT MAMMALS. 93 



t*Ursus horribilis bairdi — Continued. 



Type Locality. — Blue River, Summit County, Colorado. 



Range. — Southern Rocky Mountain region from San Juan Moun- 

 tains, southwestern Colorado, northward through Wyoming to 

 Montana, and perhaps to southeastern British Columbia. 

 Probably a mountain animal, while its neighbor horribilis was 

 a plains species. 



t*Ursus horribilis imperator (Merriam). 



1914. Vrsus imperator Merriam, Proc. Biol. Soc. Washington, 



vol 27, p. 180. August 13, 1914. 

 1918. UrsKs horribilis imperator Merriam, North Amer. Fauna, 



No. 41, p. 20. February 9, 1918. 

 Type Locality. — Yellowstone National Park, Wyoming. 

 Range. — Yellowstone National Park, Wyoming; limits unknown. 



t*Ursus chelidonias Merriam. 



1918. Ursus chelidonias Merriam, North Amer. Fauna, No. 



41, p. 21. February 9, 1918. 

 Type Locality. — Head of Jervis Inlet, British Columbia, 

 Canada. 



t*Ursus atnarko Merriam. 



1918. Ursus atnarlio Merriam, North Amer. Fauna, No. 41, 



p. 22. February 9, 1918. 

 Type Locality. — ^Lonesome Lake, Atnarko River, one of the 

 upper forks of the Bella Coola, British Columbia, Canada. 



t*Ursus kwakiutl Merriam. 



1916. JJrsus JcwaJcivtl Merriam, Proc. Biol. Soc. Washington, 

 vol. 29, p. 143. September 6, 1916. 



Type Locality. — Jervis Inlet, coast of southern British 

 Columbia, Canada. 



Range. — -Coast region of British Columbia from southwestern 

 corner (Burrard Inlet, Howe Sound, Jervis Inlet) north- 

 westerly to or beyond the lower Bella Coola. 



t* Ursus nortoni Merriam. 



1914. Ursus nortoni Merriam, Proc. Biol. Soc. Washington, 



vol. 27. p. 179. August 13, 1914. 

 Type Locality. — Yakutat, Alaska. 

 Range. — Limited apparently to coastal plain on southeastern 



side of Yakutat Bay. 



t*Ursus warburtoni (Merriam). 



1916. Ursus hwakiiiil warburtoni Merriam, Proc, Biol. Soc. 

 Washington, vol. 29, p. 145. September 6, 1916. 



