578 



ZOOLOGY. 



forms being nearly smooth, while, in point of their general 

 structure and intelligence, they stand at the foot of the sub- 

 class. The teeth may be entirely undeveloped, as in thfl 

 common ant-eater, but when developed they are not encased. 



in enamel. In most Edentates the incisors are absent, but 

 the lateral one may exist in the armadillo (ZJasyjows). The 

 feet are formed for grasping or digging, and end in large 

 straight or curved claws. They are either hairy or pro- 



