APPENDIX. 77 



corny. Trenching is always performed before the 

 frofts fet in, and raifed in round ridges of about three 

 feet. By adopting this mode, the foi. receives the full 

 benefit of the frofts, and befides, flovenly or flight per- 

 formances are, more eafily detected, than when the 

 ground is trenched in the flat or level manner. Single 

 trenching, for the purpofe of levelling and fmoothing 

 the furface, in laying down grounds where the plough 

 cannot aft, at from 3^. to 6d. a fquare perch. 



Removing earth by the folid yard, or a cube equal 

 to twenty-feven fqlid feet. This kind of work is al- 

 ways meafured, before the earth be removed, and not 

 after. Wheeling, from twenty to fixty yards diftance, 

 from 2d. to %d. a yard. 



A great deal of boggy land has been covered or 

 clayed here from time to time. A navigation wheel- 

 barrow, well filled, will cover a fquare yard to the 

 depth of two inches. A folid yard, in this cafe, is rated 

 at eighteen barrows, at nine flide : car-loads, and at 

 three wheel-car-loads. The price by the perch, or by 

 tjie acre/is always regulated by the depth of fluff laid 

 on the bog, which here is generally four inches, and 

 has amounted to from 8/. to io/. an acre, according to 

 the diflance the -Huff was wheeled or carted. 



It requires a great deal of addrefs and accuracy to 

 prevent fraud in carrying on fuch works. The moll 

 certain mode is, firft of all to fmooth and level the bog, 

 to be covered, effectually, a year or two previous to 



the 



