388 UROCYON. 



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

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

 width of pterygoid 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. Vrocyon cinereo-argenteus ocythons Bangs. 



Urocyon cinereo-argenteiis ocytliotis 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. Platte ville, Grant County, Wisconsin. 

 Geogr. Distr. Upper Mississippi Valley. 



Ji. Uj'ocyon ciiieTeo-avgenteiis hor('((Us Merriam. 

 ■ Urocyon cinereo-argenteiis 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 pterygoid fossa broader; 

 last upper molar and fourth lower premolar, large. 



Color. Like U. ciiiereo-argeiitens. 



Measurements. Skull: 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. 



7. Urncjinn cinereo-m'geiitciis litioi'dlis (Baird). 



Viilpes {Urocyon) littoralis Baird, N. Am. Mamm., 1857, p. 143. 



Urocyon cinereo-argenteus littoralis 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 County, California. 



Geogr. Distr. Known only from San Miguel Island. 



J. / 'roci/oii ci ni'i'co-d rgcnteris .^a iiiticrn za' (Merriam). 



Urocyon littoralis 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. 



