via 



PREFACE. 



who have generoufly promoted this pub- 

 lication ; as without this public manner 

 of acknowledging their favours, I would 

 think myfelf guilty of ingratitude, which, 

 in my opinion, is one of the moft de- 

 teftable vices. 



London, 

 febr. the i^th, ijyi. 



PETER 



