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life, yet have we good reasons for be- 

 lieving that they are perfectly distinct. 

 Whilst, therefore, on the one hand, I 

 feel interested in oppugning those phy- 

 siological opinions which tend to confound 

 life with organization ; I would, on the 

 other, equally oppose those which con- 

 found perception and intelligence with 

 mere vitality. 



In the first lecture I endeavoured to 

 shew that Mr. Hunter's Theory of Life 

 w r as verifiable, and that it afforded the 

 most rational solution of the cause of 

 irritability, which had hitherto been of- 

 fered to the public. It now appears 

 that it does not essentially differ from 

 that of the best physiologists, with regard 

 to the explanation it affords of the 

 nervous functions. As it is impossible to 

 review all the phaenomena of these func- 

 tions in a lecture, I shall on the present 



