[ xii ] 



to preparing the earth for a fine wheat crop, 

 and as a moft abundant fupply of food for 

 the live (lock of a farm/ In thefe different 

 points of view, the papers heretofore pub- 

 lifhed on the fubjeft, in thefe volumes, may 

 have ferved to excite a profitable attention^ 

 but the mafterly experimental memoir, con- 

 tained in the prefent volume, from a gentle- 

 man to whofe exertions and publick fpirit his 

 country is largely indebted, will give peculiar 

 fatisfaftion. From the clear manner in which 

 he has detailed his experiments, and the large 

 fcale on which they were made, much may 

 be known and inferred, concerning the ufes 

 and advantages of this very important root; 

 and it is not without a hope of national ad- 

 vantage, that the paper in queftion is recom- 

 mended to particular attention. 



The fame gentleman is now voluntarily 

 conducing an experiment, by feeding fix 

 forts of fheep tlirough the current year, in 

 fuch a manner as to afcertain, as far as fuch 

 an experiment may do it, the difputed point, 

 which is the beji race of Jheep for general fiock^ 



with 



