THE TEETH OF CARNIVORA. 



381 



as to adapt its members to different forms of food and 

 habits of life. 



Hycenidw. In the Hyaena the jaw is short and stout; 

 the canines are set far apart, and the teeth of the molar 

 series are reduced in number. 



.314 1 



The incisors are short and stout, but the outermost 

 upper incisor is somewhat caniniform ; the canines are very 

 strong, but are not so long relatively to the other teeth as 

 in the Felidw. 



The premolars are aH stout pointed teeth, with a very 



FIG. 165 ('). 



well pronounced basal ridge or cingulum, serviceable in 

 protecting the gums when the creature is crushing up 



( ! ) Upper and lower teeth of Hysena. The strongly marked cingulum 

 is seen upon the lower teeth. In the upper jaw the fourth premolar 

 (carnassial tooth) has a strong blade, divided into three cusps, and a 

 small tubercle opposite to and within the anterior cusp ; it is a good 

 typical carnassial tooth. 



