406 



EASTERN ETHIOPIA 



XXXII 



In these circumstances, the tooth continuing to grow in 

 a circle, its point will sometimes re-enter the jaw, 

 penetrate its own pulp chamber, and form a com- 

 plete ring of ivory. I have seen several canines 

 from hippopotamuses which have formed two-fifths of 



The hippopotamus is an ugly and apparently awkward brute, but it 

 can make its way up a steep bank with remarkable quickness. 



a circle and one which is a complete ring, the growing 

 point and the root being in actual contact. It is 

 difficult to imagine the agony associated with such 

 an untoward condition. The tusks of boars are liable to 

 a similar abnormal growth, and among savage races 

 of men such circular teeth are worn as charms. I have 



