CHAPTER XXIV 



THE BRAIN IN MAN AND ANIMALS STRUCTURE- 

 LESS, 

 *IS] 



POTENCY OF LIFE IN SEEDS UNINJURED BY 

 EXTREME COLD. 



THE intellect of man and the reasoning faculties 

 of animals, whether thought to be differing in degree 

 or differing in kind, are unquestionably alike de- 

 pendent upon the organization and structure of the 

 brain. An injury to almost any part thereof, whether 

 in man or beast, disturbs or destroys the action of 

 the senses and obliterates the memory. Pressure 

 upon the substance of the brain renders the subject 

 unconscious or insensible. In man, disease or fever 

 perverts the reason, and delirium or insanity take the 

 place of the intelligent mind. Narcotics or alcohol 

 at first stimulate to overaction, then stupify the brain, 

 and often establish a morbid habit that destroys the 

 Will and the Moral Sense. 



Anesthetics deprive man or beast of sensation, con- 

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