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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^ inclies 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 
