Feb., 191 2. Mammals of Illinois and Wisconsin — Cory. 



45 



GROUP 4. Order FER^. Flesh Eaters. Bears, Cats, Wolves, 

 Skunks, Weasels, etc. 



Canine teeth present and prominent, longer and 

 noticeably different from the others; front teeth 

 (incisors) comparatively small ; toes with claws. 



Skull of Wild Cat showing 

 canine teeth. 



SECTION 1. Hind foot with 4 toes. 



PART 1. Shape, cat-like; toes armed with sharp claws, which are 

 retractile (capable of being extended or drawn 

 back as in a sheath) ; teeth 30 or less. 



Family FELID^. Cats, Lynxes, Panthers, etc. 



p. 277. 



PART 2. Shape, dog-like; claws not retractile; teeth 42; muzzle long. 



Family CANID^. 



Wolves, Foxes, etc. 



p. 296. 



SECTION 2. Hind foot with 5 toes. 



PART 1. Size large, 200 to 300 lbs. or more; fur black; teeth 42; 

 practically entire sole of foot touches the 

 ground when walking (plantigrade). 



Family URSID^. Bears, p. 396. 



