[ 166 ] 



fpe£t to its age, or its height, as well as in refpect 

 to the feaibns, whether in wet or dry weather; 

 meafures to procure information on thofe heads 

 fliould be adopted. 



6/bly, and Iaftly; That as the knowledge of the 

 particular forts of harrows and rollers now in ufe 

 for this operation may be material, meafures 

 fhouid alfo be taken to procure information on 

 that head. And farther, that, as it is very pro- 

 bable great improvement may be made in regard 

 to implements fit for this operation, confiderable 

 premiums mould be offered to the inventors of 

 fuch as may be found on trial to be the bed 

 adapted for this purpofe. 



I have the honour to' be, Sir, 



Your moft obedient fervant, 



London, April 20, 1783. R. B. 



N. B. As the experiment referred to was very 

 extraordinary, we fhall give an abftracl: of the 

 account, as publifhed in the Philofophical Trans- 

 actions for the year 1768. 



ON the 2d of June 1766, Mr. C. Miller fowed 

 fome grains of the common red wheat; and on 



the 





