[ xx ] 



To the experienced and accurate Mr. 

 Onley, of Stijied-hall in EfTex, the Society 

 owes many thanks for his prefent and part 

 favours, and folicits the continuance of his 

 correfpondence. When Gentlemen of fuch 

 pradtical knowledge, and exaft obfervation, 

 are difpofed to favour inftitutions of this 

 kind with their fupport, we may hope to 

 gratify the public attention with a beneficial 

 and lafting effeft. 



To Sir John Anstruther, the Society 

 continues to be indebted for careful records 

 of experiments, in a branch of hufbandry 

 growing into general efteem, and which can 

 never be better recommended than by repeated 

 experiment, calculation, and comparifon. 



To Mr. Nehemiah Bartley, no fmall 

 fhare of commendation is due, as well for 

 the variety of his ufeful experiments, as for 

 the candour and liberality with which he im- 

 parts them. 



The 



