XXXI 



IVORY 



395 



weapon becomes enclosed in secondary dentine, and 

 is eventually found in the exserted part of the tusk. 



Portion of an Elephant's Tusk in section. 

 An iron spear 7 by 1^ inches is enclosed 

 within it by a capsule of secondary dentine. 

 There was nothing on the exterior of the 

 tusk to indicate its presence. (Museum of 

 the Royal College of Surgeons, England.) 



These elephant spears are formidable things. 

 Stanley refers to one found in his second journey from 

 Fort Bodo to the Albert Nyanza, shortly after 



