FEB., 1912. MAMMALS OF ILLINOIS AND WISCONSIN CORY. 303 



from the ground. Audubon and Bachman say,* "We were unable to 

 obtain any information in regard to the manner in which the Fox climbs 

 trees, as he does not possess the retractile nails of the cat or the sharp 

 claws of the squirrel, until we saw the animal in the act. At one time 

 when we thus observed the fox, he first leaped on a low branch four 

 or five feet from the ground, from whence he made his way upward by 

 leaping cautiously and rather awkwardly from branch to branch, till 

 he attained a secure position in the largest fork of a tree, where he 

 stopped. On another occasion, he ascended in a manner of a bear, but 

 with far greater celerity, by clasping the stem of a small pine. We 

 have since been informed that the Fox also climbs trees occasionally 

 by the aid of his claws, in the manner of a raccoon or a cat. During 

 winter only about one fifth of the Foxes chased by hounds will take 

 to a tree before they suffer themselves to be run down; but in summer, 

 either from the warmth of the weather, causing them to be soon fatig- 

 ued, or from the greater number being young animals, they seldom con- 

 tinue on foot beyond thirty or forty minutes before they fly for protec- 

 tion to a tree." 



Specimens examined from Illinois: 

 Illinois Petersburg, Menard Co., i ; (N. M.) Mt. Carmel, 1 = 2. 



Urocyon cinereoargenteus ocythous BANGS. 

 WISCONSIN GRAY Fox. 



Urocyon cinereoargenteus ocythous BANGS, Proc. New Eng. Zool. Club, I, 1899, p. 

 43. JACKSON, Bull. Wis. Nat. Hist. Soc., VI, 1908, p. 26 (Wisconsin). Ib, 

 VIII, 1910, p. 89 (Wisconsin). HOLLISTER, Bull. Wis. Nat. Hist. Soc., VI, 

 1908, p. 140 (Wisconsin). 



Vulpes virginianus LAPHAM, Trans. Wis. Agr. Soc., II, 1852 (1853), p. 339 (Wiscon- 

 sin). ?KENNICOTT, Trans. 111. State Agr. Soc., I, 1853-54 ( I 855), p. 578 (Cook 

 County, Illinois). STRONG, Geol. Wis., Surv. 1873-79, I. 1883, p. 436 (Wiscon- 

 sin). ?ALLEN, Proc. Bost. Soc. Nat. Hist., XIII, 1869 (1871), p. 182 (Iowa). 



Type locality Platteville, Grant County, Wisconsin. 



Distribution Upper Mississippi Valley; exact limits of range not 

 satisfactorily determined. 



Description Similar to U. cinereoargenteus, but larger; tail longer 

 and hind foot larger; the back and sides less gray, showing a yellow- 

 ish tinge; the red brown on various parts of body more ferrugineous. 



Measurements Total length, 9, 40.30 in. (1024 mm.); tail verte- 

 brae, 15.25 in. (386 mm.); hind foot, 5.35 in. (136 mm.). Meas- 

 urements in millimeters as given by Bangs: Total length, d\ 

 39.50 in. (1005 mm.); tail vetebrae, 14.50 in. (365 mm.); hind 

 foot, 5.70 inches (145 mm.). 

 * Quadrupeds of N. Amer., I, 1846, p. 167. 



