284 HIPPOPOTAMI. 



merous in the parts of the river where they are never hunted. 

 The males appear of a dark color, the females of yellowish brown. 

 There is not such a complete separation of the sexes among them 

 as among elephants. They spend most of their time in the wa- 

 ter, lolling about in a listless, dreamy manner. When they come 

 out of the river by night, they crop off the soft succulent grasses 

 very neatly. When they blow, they puff up the water about 

 three feet high. 



