[ 282 ] 



breeds, it lliould be mentioned, that the weight of 

 thefe beafis on an average, as they are in milking, 

 does not exceed thirty-lix rtone; fome indeed are. 

 bigger, but others are not fo large. For hardinefs, 

 docihty, and lliape, I think there are few to com- 

 pare to them. But to obtain, and preferve the 

 laft, in thefe, and every fpecies of animal, there 

 fhould be an uniform and conftant attention paid 

 to the rearing always the beft and prime of the flock, 

 and getting rid of every other. That, and that 

 alone, v\ ill, I believe, go near to enfure a good, 

 valuable, and handfome ftock of every kind. 



You will not be forry, perhaps, to know what 

 "vi'as the produce of fome of the different kinds of 

 the potatoes you faw growing in my experiment 

 field; I will therefore inform you, that the white 

 Champain (of which you faw about two acres) 

 produced me at the rate of three hundred and 

 forty-fix bulhcls per acre. That another kind, pro- 

 cured me by a friend from Manchefter, (of which 

 I had fufficient to plant fix rods, or perches of 

 land) produced at the rate of fix hundred and forty- 

 eight buftiels per acre; and that the fort given me 

 by our ingenious friend Mr. Rig by, who received 

 them from Liverpool, and which had been only 

 two or three years before raifed from feed, were 

 planted on one, and the ninth part of a rod or 



perch 



I 



