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. 
