MARSH TOETOISES. 



163 



fishes. Although the flesh of the Mud Tortoise is far from being 

 palatable, it is nevertheless eaten in countries where they 

 are common. 



Fig. 37. Emydes Caspica. 



The Emydes are divided into four considerable groups, namely, 

 the European group, of which Pig. 37, E. Caspica, is typical ; 



Fig. 38. Chelys matamata. 



the American group, containing twelve or fourteen species ; the 

 African Emys ; and the Oriental group of twelve species. 



M2 



