148 SOUTH AFRICAN MAMMALS 



the water is carried on its mother's back. It will lie in 

 the water with only the top of the head showing, or 



FIG. 71. Bull Hippopotamus. 



very often only the eyes and nostrils, both of which can 

 be closed at will. It will sometimes lie on the bank of 

 a river or lake and bask in the sun, if undisturbed, but 

 the position in the water above described is the more 



