The jaws of an Aard Wolf, showing the rudimentary condition of the 

 back or molar teeth. There are four in the upper jaw and two 

 in the lower jaw. They are quite useless for mastication. 



The jaws of a Cape Jackal, showing the powerful back teeth which are 

 used for rending and tearing fleshy substances. Compare this 

 mouthful of strong teeth with the feeble ones in the jaws of the 

 Aard Wolf. 



