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powerful motions of masses of inert matter, 

 may we not naturally conclude that the 

 inert molecules of vegetable and" animal 

 matter, may be made to move in a si- 

 milar manner, by a similar cause ? 



It is not meant to be affirmed that 

 electricity is life. There are strong ana- 

 logies between electricity and magnetism, 

 and yet I do not know that any one 

 has been hardy enough to assert their 

 absolute identity. I only mean to prove, 

 that Mr. Hunter's Theory is verifiable, 

 by shewing that a subtile substance of 

 a quickly and powerfully mobile nature, 

 seems to pervade every thing, and ap- 

 pears to be the life of the world ; and 

 therefore it is probable that a similar 

 substance pervades organized bodies, and 

 produces similar effects in them. 



The experiments of Sir H. Davy seem 

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