CHAPTER IX 



MENTAL. CULTUBB 



In the first chapter attention has been called 

 to the fact that in the human race evolution is 

 now confined to the brain. In the modem 

 struggle for existence, men fight with their 

 brains and not with their muscles. At birth, 

 the brain although fairly large, is undeveloped 

 and watery, especially in the higher areas. 



The lower portion of the brain, the eventual 

 seat of the subconscious mind, is quickly acted 

 on by all sorts of physical and mental stimuli. 

 The larger muscular actions, such as move- 

 ments of the arms and legs, are exhibited from 

 the time of birth, but the smaller muscles with 

 their finer action, shown by the co-ordination of 

 the fingers and picking up objects, are regulated 

 by brain centres that are on a little higher level. 

 The structure of the brain and the controlling 



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