III. 



On the Earth there will never be a Higher 

 Creature than Man. 



N elucidating these points, we may 

 fitly begin by considering the 

 question as to the possibilitv cf the 

 evolution of any higher creature than Man, 

 to whom the dominion over this earth shall 

 pass. The question will best be answered 

 by turning back and observing one of the 

 most remarkable features connected with 

 the origin of Man and with his superiority 

 over other animals. And let it be borne in 

 mind that we are not now about to wander 

 through the regions of unconditional possi- 

 bility. We are not dealing with vague 

 general notions of development, but with 

 the scientific Darwinian theory, which al 

 leges development only as the result oi 

 certain rigorously defined agencies. The 



