DEDICATION. 



JL O the candid and ingenious Members of the 

 College of Phyficians, of the Royal Philofophical 

 Society, of the Two Univerfities, and to all thofe, 

 who ftudy the Operations of the Mind as a Science, 

 or who praftife Medicine as a Profeffion, the fub- 

 fequent Work is, 



With great Refpeft, 



N. 



Inscribed by 



THE AUTHOR. 



DERBY, May i, 1794. 



