MUSTELID^. III. 17 



/. GANIS, Linnreus. WOLVES. 



1. C. lupus, L. WOLF. Color exceedingly variable; 

 northward it is chiefly, gray, southward more and more 

 blackish and reddish, till in Florida black wolves pre- 

 dominate, and in Texas red ones. N. A. and northern 

 parts of the Old World. (C. occidentalis, Auct.) 



2. VULPES, Brisson. FOXKS. 



1. V. vulpes, L innaeus. RED Fox. CROSS Fox. SILVER 

 Fox. BLACK Fox. Chiefly red, with black feet and ears; 

 tip of tail white. A single species, widely variable in 

 color, as indicated by the common names. N. Am. 

 Europe (V.fulotts, Auct.) 



3. UROCYON, Baird. GRAY FOXES. 



1. U. cinereo-argentatus, (Schreb.) Coues. GRAY 

 Fox. Chiefly gray; fur dusky or fulvous, hairs hoary at 

 tip; tip of tail usually dark. Penn. S., W. to the Pacific. 



FAMILY III. MUSTELHXffi. 



(Tlie Weasels.) 



Carnivora either plantigrade or digitigrade, with the 

 toes 5-5. Molars J"| (rarely .\ ); the upper and the last 

 lower one tubercular; no caecum. Most species provided 

 with glands near the anus which secrete a fetid liquid. 

 Some are strictly carnivorous while others are rather om- 

 nivorous. Size usually medium or small. They are foui.d 

 in all parts of the earth excepting the Australian region. 

 * Last or true molar of upper jaw short, small, transversely elon- 

 gated; toes short; claws retractile. (MUSTELINE.) 

 f Teeth 38; body slender; feet digitigracle ; tail rather long; low- 

 er first molar with an internal tubercle. . MUSTELA, 1. 



