on belly; ruff tipped with black; fore and hind legs buffy ochraceous 

 on outer side, whitish on inner, and on hind feet; tail broadly tipped 

 with black: white beneath on basal third, ochraceous on remainder, 

 the hairs tipped with black towards the black tip. 



Measuremetits. Total length, 1116; tail vertebrae, 320; hind 

 foot, 200. 



455. frustror. {Canis), Woodh. Proc. Acad. Nat. Scien. Phil., 1851, 



p. 147. 



Type locality. Port Gibson, Neosho and Arkansas Rivers, Indian 

 Territory. 



Geogr. Distr. Gulf region of Texas from Nueces Bay north- 

 ward, and possibly through the States into Oklahoma and Indian 

 Territories. 



Genl. Char. Larger than C. pfiiinsuhe of Lower California, 

 colors paler, ears shorter, rostrum longer. 



Color. Muzzle cinnamon rufous; top of head, nape and ears 

 pale fulvous; rest of upper parts buffy ochraceous mixed with black; 

 under parts whitish tinged with buff on belly; ruff tipped with black; 

 fore and hind legs and feet fulvous all round; upper surface of fore 

 legs and feet mixed with black, forming a stripe: outer face of thighs 

 sprinkled with black half way to heel; tail above fulvous, white 

 basally, hairs of distal half tipped with black. 



Measurements. Total length, iigo; tail vertebrae, 330; hind 

 foot, 200. 



456. mearnsi. {Canis), Merr. Proc. Biol. Soc. Wash., 1897, p. 30. 

 Type locality. Quitobaquita, Pima County, Arizona. 



Geogr. Distr. Southern Arizona into Sonora. 



Genl. Char. Size small: color bright; skull and teeth small. 



Color. Forehead grizzled gray and fulvous; top of head, nape 

 and ears light fulvous; muzzle cinnampn rufous; rest of upper parts 

 buffy ochraceous mixed with black; under parts white, bell}' tinged 

 with buffy ochraceous; throat buffy, hairs tipped with black; fore and 

 hind legs and feet bright orange fulvous all round; upper sides of 

 fore legs with black mixture; tail beneath pale fulvous, whitish at 

 base, remainder with black tipped hairs: tip black. 



Measurements. Total length, iioo; tail vertebrae, 330; hind 

 foot, 180. 



457. estor. (Canis), Merr. Proc. Biol. Soc. Wash., 1897, p. 31. 

 Type locality. Noland's Ranch, San Juan River, Utah. 



Geogr. Distr. Deserts of eastern California, Nevada and Utah. 

 Genl. Char. Size small, color pale; carnassial and molar teeth 

 small. 



