NORTH AMERICAN RECENT MAMMALS. 95 



t*Ursus colusus— Continued. 



Type Locality. — Sacramento River, probably between Colusa 

 and Sacramento, California. 



Range.— Sacramento (and perhaps also San Joaquin) Valley and 

 adjacent foothdlls; westerly in the hot inner coast mountains to 

 Dobbins Creek canyon on the boundar}'^ between southeastern 

 Humboldt and southwestern Trinity Counties. 



t*Ursus dusorgus Merriam. 



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



p. 33. February 9, 1918. 

 Type Locality. — ^Head of Jack Pine River, near Mount Bess, 

 close to British Columbia boundary. Alberta, Canada. 



planiceps-gtowp. 



t*Ursus nelsoni Merriam. 



1914. Ursiis nelsoni Merriam, Proc. Biol. Soc. Washington, 



vol. 27, p. 190. August 13, 1914. 

 Type Locality.— Colonia Garcia, Chihuahua, Mexico. 

 Range. — Sierra Madre of Mexico from northwestern Chihuahua 



and northeastern Sonora south to southern Durango. 



t*Ursus texensis texensis (Merriam). 



1914. Ursus horrixus texensis Merriam, Proc. Biol. Soc. Wash- 

 ington, vol. 27, p. 191. August 13, 1914. 



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

 41, p. 35. February 9, 1918. 



Type Locality. — Davis Mountains, Jeff Davis County, Texas. 



Range. — Restricted, so far as known, to Davis Mountains, 

 Texas, and mountains of southern Colorado. 



t*Ursus texensis navaho (Merriam). 



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

 vol. 27, p. 191. August 13, 1914. 



1918. Ursus texensis navaho Merriam, North Amer. Fauna, 

 No. 41, p. 37. February 9, 1918. 



Type Locality.— Navajo country near Fort Defiance, Arizona 

 (Mollhausen) ; type probably killed in 1856 in Chuska Moun- 

 tain, on boundary between northeastern Arizona and north- 

 western New Mexico. 



Range.— Probably restricted to the isolated Chuska Mountains 

 (including the so-called Lukachukki and Tunitcha elevations, 

 and perhaps also the neighboring Carriso Mountains on the 

 north) . 



