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whatever pains us, some persons seem to 

 conclude that the muscles contract because 

 they have been hurt. To the patient 

 who has suffered amputation, such a sup- 

 position would seem absurd. He may 

 feel pain when no stimulus is applied to 

 the limb, or he may feel ease when it 

 is. Nay, he continues to feel pain, or 

 sensations, in the limb when it is rotten, 

 or no longer in existence ; which seems 

 to shew the integrity of the sentient 

 principle remaining in the brain. 



In vegetables, and in some moluscae, no 

 traces of a nervous system are discoverable, 

 yet the irritability of life is manifest in all. 

 In the ascending series of animals, in 

 proportion as the brain becomes large 

 and complex, we have evidence of the 

 perceptions and intelligence increasing ; 

 a circumstance which would lead us to 

 believe that these faculties were connected 



