300 Fretp Museum or Naturat History — Zoétoey, Vor. XI. 
“Muzzle tawny, or yellowish brown, becoming more yellowish with age. Head 
yellowish gray, not strongly contrasted with rest of body. Ears dark brown at 
tips and back, soon fading to yellowish brown. Tail black, fading to gray with 
black tip.” ; CoyoTE OR PRAIRIE WoLF. Canis latrans, p. 322. 
“Muzzle blackish. Head grayish, face back of eyes sharply pepper and salt gray. 
Ears large, back of ears dusky at tip, fulvous at base. Tail with tip black at 
all ages.” Gray Fox. Urocyon cinereoargenteus, p. 300. 
“Muzzle blackish. Head dusky with sides of face light yellowish. Ears large, 
nearly the whole back of ears bright black at all ages. Tail dusky, tip white 
at all ages.” Rep Fox. Vulpes fulvus, p. 305. 
Genus UROCYON Baird. 
Urocyon Baird, Mammals N. Amer., 1857, p. 121. Type Canis 
virginianus Erxleben. 
Temporal crests widely separated; posterior 
angle of lower jaw abruptly emarginate below; upper 
incisors not distinctly notched; lower sectorial tooth 
with supplementary tubercle; postorbital process 
of frontal bone concave, with its anterior outer edge 
turned slightly upward; no frontal sinus present; 
tail with central ridge of coarse black hairs. 
Dental formula: 
12>, 6.2) Bim re 
Upper view of skull. . . 
(Much reduced.) aos Lt 
Urocyon cinereoargenteus (SCHREBER). 
Gray Fox. 
Canis cinereoargenteus SCHREBER, Saughthiere III, 1775, pl. XCII. 
Vulpes (Urocyon) virginianus Barrp, Mammals N. Amer., 1857, p. 143 (Illinois). 
Urocyon cinereoargenteus EVERMANN & BUTLER, Proc. Ind. Acad. Sci., 1893 (1894), 
p. 138 (Indiana). Haun, Ann. Rept. Dept. Geol. & Nat. Resources Ind., 1908 
(1909), p. 548 (Indiana). Howe.t, Proc. Biol. Soc. Wash., XXIII, 1910, p. 
32 (Illinois). Woop, Bull. Ill. State Lab. Nat. Hist., VIII, 1910, p. 572. 
Type locality — Eastern North America. 
Distribution — New York and New Jersey to Georgia, west to the Mis- 
sissippi Valley and north at least to north-central Illinois; exact. 
limits of range not definitely determined. 
Description — Adult: General color of back and sides grayish, the hairs 
being banded with black and grayish white; sides of the neck and a 
band across the chest red brown; ears, inner surface of legs, sides of 
belly and under, surface of tail also more or less red brown, the 
