UROCYON. 389 



Genl. Char. Like U '. c. littoralis. Skull smaller, nasals narrower 

 tapering posteriorly; frontal spines long; rostrum narrower; bullae 

 smaller, inflated ; basioccipital and upper carnassial narrower. 



Measurements. Average of 3. Total length. 708; tail vetrebrae, 

 266; hind foot, 109. (Merr. 1. c.) 



A-. I'l-uci/fiit einereo-arjjfenteus ^inifciiiiilir (Miller). 



Urocyon guatemalce Miller, Proc. Acad. Nat. Scien. Phil., 1899, 



p. 278^ 



Urocyon cinereo-argenteus guatemalce Elliot, Mamm. Middle Amer. 

 & W. Indies, F. C. M. Pub., iv, Pt. n, 1904, p. 475. Zool. Ser. 

 GUATEMALAN GRAY Fox. . 



Type locality. Nenton, Guatemala. 



Geogr. Distr. Tropical region of Guatemala and State of Chiapas, 

 Mexico. 



/. ('/-nci/nii cinereo-argenteus frdtiTcnlux Elliot. 



Urocyon cinereo-argenteus fraterculus Elliot, Pub. Field Columb. 

 Mus., i, 1896, p. 80. Zool. Ser. Id. Mamm. Middle Amer. & 

 W. Indies, F. C. M. Pub., iv, Pt. n, 1904, p. 475, figs. 87, 

 LXIV. Zool. Ser. 

 LITTLE GRAY Fox. 



Type locality. San Felipe, Yucatan. 



Geogr. Distr. Yucatan, Tehuantepec, Mexico. Range unknown. 



///. rrtx'i/on cinereo-ai'jgenteus fxirridens (Miller). 



Urocyon parridens Miller, Proc. Acad. Nat. Scien. Phil., 1899, 



p. 276. 



Urocyon cinereo-argenteus parvidens Elliot, Mamm. Middle Amer. 

 & W. Indies, F. C. M. Pub., iv, Pt. n, 1904, p. 476. Zool. Ser. 

 SMALL-TOOTHED Fox. 



Type locality. Merida, Yucatan, Mexico. 



Geogr. Distr. Yucatan, Mexico. Range unknown. 



952. Urocyon catalinas Merriam. 



Urocyon catalinas Merr., Proc. Biol. Soc. Wash., xvi, 1903, p. 74. 

 SANTA CATALINA ISLAND GRAY Fox. 



Type locality. Santa Catalina Island, Santa Barbara Islands, 

 Santa Barbara County, California. 



Geogr. Distr. Santa Catalina Island only. 



Genl. Char. Similar to U. c. littoralis, but nasals narrower, and 

 not constricted in the middle, but broad posteriorly and obliquely 

 truncated; frontal spines short. 



Color. Like U. c. littoralis. 



