THE ORIGIN OF MAN 99 



than we are. We have also seen from our study 

 of animal evolution that certain animals that 

 had their origin as small animals, never grew to 

 a maximum height, and then gradually grew 

 smaller and smaller. They either became ex- 

 tinct before attaining such a height or else due to 

 their slow evolution are still in the process of at- 

 taining that height, for example the horse which 

 descended from an animal about the size of a 

 modern dog. So we therefore see that horses are 

 tending toward a greater height. A million years 

 from the present day they may be as large as an 

 elephant or they may become extinct within a 

 few years, the latter being the more likely, due to 

 the rapid advancement of motor vehicles. Like- 

 wise with man. We are gradually tending 

 toward a greater height, as seen from the remains 

 of these prehistoric men. Whether we will be- 

 come in the future, giants or eventually become 

 extinct, I of course cannot say. Either will oc- 

 cur, there is no doubt as to that, if we may judge 



