The Stone A<jc.s of Son t It Africa. 169 



one direction implies a singular case of advance in another — an 

 advance which permitted of his survival. He, no longer a fabricator 

 of large tools, contrived to outlive those who were, and for aught 

 we know — and it is not such an improbable hypothesis — he took 

 their place, having mastered them through the efficacy of that tiny 

 weapon which he invented, namely, the poisoned arrow. Craft 

 versus brute force. 



