CONTENTS 



OF THE 



THIRD VOLUME. 



An Inquiry into the Principles and Limits of 

 Taxation as a Branch of M-Okal «»f/ Political 

 Philosophy j by Thomas Percival, M. D. 

 F. R. S. Lond. and Edinb. Member of the Royal 

 Society of Medicine at Paris ; of the Royal Soc. of 

 Agriculture at Lyons j and of the Philojophical Soc. 

 at Philadelphia^ ^c. ^c. - - - P. i. 



Of POPULAR Illusions, and particularly of medi- 

 cal Demonology j by John Ferriar, M.D. 



P. 31. 



Letter on Attraction and Repulsion; communi- 

 cated by Br, Percival, OElober 1 1, 1786, P. 116. 



Essay on the Dramatic Writings ^Massinger; 

 ^ John Ferriar, M.D. - - P. 123. 



Observations on the Bills of Mortality for the 

 'Towns of Manchester and Salford; by Thomas 

 Henry, F. R. S. Acad. Philof. Amer. Philadel. 

 Med. Lond. ^ Reg. Phyfic. Edinb. Soc. P. 159. 



Conjectures relative to the Cause of the Increase 

 of Weight acquired by fame heated Bodies, 



during 



