UROCYON. 477 
and inner sides of thighs white; outer sides of legs ochraceous buff; 
feet buffy white; ears ochraceous buff, inner surface buffy white; tail 
gray with a black dorsal stripe and tip, beneath buffy. 
Measurements. Total length, 720; tail vertebre, 240; hind foot, 
95. Skull: greatest length, 102; basal length, 94.4; zygomatic width, 
53; interorbital breadth, 20.4; width of postorbital processes, 30.4; 
mastoid breadth, 36.4; median palatal length, 47; median length of 
nasals, 30; length of upper tooth row, 41; length of mandible, 74; 
length of lower tooth row, 46. 
cinereo-argenteus californicws (Urocyon), Mearns, Proc. U.S. Nat. 
Mus., 1897, p. 459. Elliot, Syn. N. Am. Mamm., 1901, p. 308. 
CALIFORNIA GRAY Fox. 
Type locality. San Jacinto Mountains, Riverside County, Cali- 
fornia. Altitude, 8,000 feet. 
Geogr. Distr. Lower California, Mexico, to Washington. 
Genl. Char. Similar to U. cinereo-argenteus, with larger ears and 
grayer, less fulvous coloring. 
Color. Like U. cinereo-argenteus, with the color of the back 
about the same, but the coloration as a whole is paler, and the Cali- 
fornia animal lacks the black down the fore legs. 
Measurements. Total length, 890; tail vertebre, 330; hind foot, 
120; ear from crown, 85. (Mearns,l.c.) Skull: occipito-nasal length, 
117; total length, 127; Hensel, 115; zygomatic width, 69; postorbital 
constriction, 26; across orbital processes, 37; median length of nasals, 
41; palatal length, 60; postpalatal length, 55; length of upper molar 
series, alveolar border, 42; length of mandible, angle to symphysis, 
94.5; length of lower molar series, alveolar border, 48. 
cinereo-ar gentews scotti Mearns, Bull. Am. Mus. Nat. Hist., 1891, 
p. 236. Elliot, Syn. N. Am. Mamm., rgor, p. 308. 
Scott’s Gray Fox. Zorro in Mexico, Tigrillo in Costa Rica. 
Type locality. Pinal County, Arizona. 
Geogr. Distr. Southern California, Arizona, New Mexico, and 
northern Mexico. 
Genl. Char. Similar to U. cinereo-argenteus, but ears and tail are 
longer, and colors usually paler. 
Color. Hoary gray, sometimes a median black line from head 
to base of tail; sides paler; lower jaw and sides of muzzle black, 
except white spot near tip; lower sides of cheeks, throat, patch on 
breast, and one on belly white; sides of neck and hinder surface of 
legs yellowish fulvous; tail gray with a narrow black stripe above, 
and beneath yellowish fulvous. 
