Feb., igi2. Mammals of Illinois and Wisconsin — -Cory. 313 



Genus CANIS Linnteus. 



Canis Linna-us, Syst. Nat., X ed., I, 1758, p. 38. Type Canis 



fa m ilia r is Linnaeus . 



Temporal crests joining and extending in a single parietal ridge or 

 sagittal crest;* frontal sinus present; upper incisors lobed or notched; 

 nasals extending to or back of maxillaries ; jaws elongated ; nose elongated 

 and tapering; postorbital process of frontal bone rounded, with end 

 curving downward; pupil of eye round. 



Dental formula: I. ^^^, C. "—^^ Pm. ^-'-^, M. ^^ = 42. 



Canis nubilus Say. 

 Gray Wolf. Timber Wolf. 



Canis nubilus Say, Long's Exped. Rocky Alts., I, 1823, p. 169. 



Canis occidentalis Kennicott, Trans. 111. State Agr. Soc, I, 1853-54 (1855), p. 578 

 (Cook Co., Illinois). Thomas, Trans. 111. State Agr. Soc, IV, 1859-60 (1861), 

 p. 654 (Illinois). Bangs, Amer. Nat., XXXII, 1898, p. 505. Adams, Rept. 

 State Board Geol. Surv. Mich., 1905 (1906), p. 130 (Michigan). Hahn, Ann. 

 Rept. Dept. Geol. & Nat. Resources Ind., 1908 (1909), p. 557 (Indiana). Seton, 

 Life Histories of Northern Animals, II, 1909, p. 749. Wood, Bull. 111. State 

 Lab. Nat. Hist., VIII, 1910, p. 570 (Illinois). 



Lupus occidentalis Lapham, Trans. Wis. State Agr. Soc, II, 1852 (1853), P- 339 

 (Wisconsin). 



Canis occidentalis var. griseo-alhus Miles, Rept. Geol. vSurv. Mich., I, i860 (1861), 

 p. 220 (Michigan). 



Canis lupus Strong, Geol. Wis., Surv. 1873-79, I, 1883, p. 436 (Wisconsin). Ever- 

 MANN & Butler, Proc Ind. Acad. Sci., 1893 (1894), p. 135 (Indiana). 



Canis lupus nubilus Rhoads, Proc. Acad. Nat. Sci. Phila., 1896 (1897), p. 200 (Ten- 

 nessee). 



Canis nubilis McxA.TEE, Proc. Biol. vSoc Wash., XX, 1907, p. 6 (Indiana). 



Canis griseus Jackson, Bull. Wis. Nat. Hist. Soc, VI, 1908, p. 27 (Wisconsin). 



Type locality — Vicinity of Council Bluffs, Iowa. 



Distribution — Not definitely detemiined. 



Description — Adult: Size large; general color variable; the majority 

 of specimens grayish or brownish gray or brownish white, with 

 the middle portion of back to base of tail largely black; much pale 

 rufous brown on legs and about the head and ears ; temiinal portion 

 of tail tinged with pale rufous, the hairs at the tip mixed black and 

 white; diameter of upper canine teeth at base (in adult) .50 inch or 

 more; nose pad (in adult) more than 1.25 inch wide. 



Measurements — Total length, about 56.50 to 63 in. (1400 to 1600 mm.) ; 

 tail vertebrae, 15 to 16 in. (380 to 416 mm.); hind foot, about 10 in. 

 (254 mm.). (Specimens from Michigan.) 

 * For illustration see p. 298. 



