Order CARNIVORA 



89 



Fig. 60. — Characters used in the identification of carnivores: 

 a, skull of red fox, top view; b, skull of gray fox, top view; c, 

 lower jaw of red fox, side view; d, lower jaw of gray fox, side 

 view. 



Skulls 



1. Teeth 30 or fewer 2 



Teeth 34 or more 4 



2. Teeth 28 ; 14 in each jaw bobcat, Lynx rufus 



Teeth 30 ; 16 in upper jaw 3 



3. Skull length more than 175 mm. (6^ in.) 



cougar, Felis concolori 



TThis species is no longer found in Illinois. 



