[ 38 ] 
_ A piece of Plate will be given as an Hono- 
ra.y piiium to the perfon who (hall, before the 6^^ d^f 
Semember 1700, write andprefent to the Society, the bell, 
S ufeful, l?idapprovedEiray on either of the following 
fubieas, from experiments aaually made.— ^ 
1/?. On the art of making Butter and 
out the real caufes of the deleas we frequently find in each, 
and the beftpraaical preventatives. 
<idh. On the management of Grafs Lands m genera, 
diftinguilhlng the proper treatment of each foil, &c. 
<^dly. On the bell and moll approved method of laying 
down worn-out arable. 
M. For an account of the bell Courfe of Experiments 
to afeertain the comparative value ol Butter and Cheefe, viz. 
Bu™ from new milk alone, from half new milk and 
half whey, and from whey alone. Cheese fro™ • 
from half-lkimm’d milk, and from Ikimm d milk onl) . 
All the above Effays to be written from experiments aHu- 
ally made. 
44. E>:tinElion of Summer Mcnm-A Premium of FH'e 
Guineas or a Piece of Plate, will be given to the peifon 
who, in the courfe of feven years lhall determine how far 
the total extinSion of Summer Fallows on liglitland may c 
pratlifed with fuccefs. 
The fame experiment to be made on heavy lands. 
Claims to be made at or before the Sept, meeting 1796. 
4,. Manuring.-Yor manuring the greateft quantity of 
hghf Sandy Land with Clay, not left than ten acres nor lefs 
than fixty cart loads, of thirty bulhels each, ol clay to be laid 
' on per acre ; Five Guineas, Or a Silver Cup of that value. 
Claims, with an account of the fuccefs, to be made on or 
before the firll of September 1791. 
46. Planims Potatoes.— To the perfon who, froin experi- 
ments aaually made, lhall difeover whether whole Potatoes, 
or Cuttings, are to be preferred in planting ; and ‘ 1 '™ole, o! 
what fize; a Silver Cup. value Three Guineas. The quan- 
