388 -U ROC YON. 



Hensel, ii8; zygomatic width. 66; interorbital width, 23.5; palatal 

 length, 56; palatal arch to tip of pter\'goid process, 20; anterior 

 width of pter}'goid fossa, 9; posterior width of basioccipital, 13; 

 length of nasals, 40; length of upper tooth row, anterior edge of 

 canines to posterior edge of last molar, 5 1 ; length of lower tooth 

 row, 57; length of mandible, 88. 



g. Urocyon cinereo-argentens ocythous Bangs. 



Urocyon cinereo-argenieus ocythous Bangs, N. Engl. Zool. Club, i, 

 1899, p. 43. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 

 1901, p. 309. Zool. Ser. 

 Swift Gray Fox. 



Type locality. Platteville, Grant County, Wisconsin. 

 Geogr. Distr. Upper Mississippi Valley. 



h. Urocyon cinereo-argenteus borealis Merriam. 



Urocyon cinereo-argenteus borealis Merr., Proc. Biol. Soc. Wash., 

 XVI, 1903, p. 74. 

 New England Gray Fox. 



Type locality. Marlboro, seven miles from Monadnock, Cheshire 

 County, New Hampshire. 



Genl. Char. Larger than U. cinereo-argenteus. Skull with longer 

 nasals, more slender posteriorly; palate and pter\^goid fossa broader; 

 last upper molar and fourth lower premolar, large. 



Color. Like U. cinereo-argenteus. 



Measurements. Skvdl: basal length, 126; Hensel 118.5; zygo- 

 matic width, 73; palatal length, 63; postpalatal length, 55; front of 

 canine to back of last upper molar, 56. 



i. Urocyon cinereo-argenteus Uttoralis (Baird). 



Vulpes (Urocyon) Uttoralis Baird, N. Am. Mamm., 1857, p. 143. 



Urocyon cinereo-argenteus Uttoralis Elliot, Syn. N. Am. Mamm., 

 F. C. M. Pub., II, 1901, Suppl., p. 507. Zool. Ser. 

 San Miguel Island Gray Fox. 



Type locality. San Miguel Island, Santa Barbara Islands. Santa 

 Barbara Count}', California. 



Geogr. Distr. Known only from San Miguel Island. 



j. Urocyon cinereo-argenteus santacruzce (Merriam). 



Urocyon Uttoralis santacruzce Merr., Proc. Biol. Soc. Wash., xvi, 



1903. P- 75- 

 Santa Cruz Island Gray Fox. 



Type locality. Santa Cruz Island, Santa Barbara Islands, Santa 

 Barbara County, California. 



Geogr. Distr. Known from type locality only. 



