390 UROCYON. URSUS. 



Measurements. Total length, 795; tail vertebrae, 298; hind 

 foot, 112. 



953. Urocyon clementas Merriam. 



Urocyon clementce Merr., Proc. Biol. Soc. Wash., xvi, 1903, p. 75. 

 San Clemente Island Gray Fox. 



Type locality. San Clemente Island, Santa Barbara Islands, 

 Santa Barbara County, California. 



Geogr. Distr. San Clemente Island only. 



Genl. Char. Similar to U . c. littoralis, but smaller; nasals broadest 

 in the middle, tapering posteriorly; bullse more inflated; carnassial 

 and molars small. 



Color. Like U. c. littoralis. 



Measurements. Average of 6. Total length, 688; tail vertebrae, 

 250; hind foot, 100. (Dry skin.) (Merr. 1. c.) 



Family IV. I^rKidi**. Bears. 



Subfamily I. Ursinse. 



Genus 117. Ursus. 



Ursus Linn., Syst. Nat., i, 1758, p. 47; i, 1766, p. 69. Type Ursus 

 arctos! Linnaeus. 

 Danis Gray, in Thoms. Ann. of Phil., xxvi, 1825, pp. 60, 339. 

 Thalarctos! Gray, in Thoms. Ann. of Phil., xxvi, 1825, p. 62. 

 Thalassarctos! Gray, in Thoms. Ann. of Phil., xxvi,. 1825, p. 339. 

 Euarctos! Gray, Proc. Zool. Soc., 1864, p. 692. 



Subgenus A. Thalassarctus. Polar Bear. 



954. Ursus maritimus Phipps. 



Ursus maritimus Phipps, Voy. N. Pole, 1774, p. 1S5. Elliot, Syn. 



N. Am. Mamm., F. C. M. Pub., 11, 1901, p. 310, pi. xxxii. 



Zool. Ser. 

 Polar Bear. 



Type locality. Spitzbergen. 



Geogr. Distr. Arctic regions of both hemispheres. 



Svibgenus B. Ursus, Browu Bears. 



955. Ursus middendorffi Merriam. 



Ursns middendorffi Merr., Proc. BioL Soc. Wash., x, 1896, p. 69. 

 Elliot, Syn. N. Am. Mamm., F. C. M. Pub., ii, 1901, p. 310. 

 Zool. Ser. 



