^. YORKSHIRE. 155 



It is ufuall}' laid on vviih a fpade or fliovel ; 

 but a riddle would, perhaps, be found by 

 the inexperienced a better tool ; and the ex- 

 tra labour no objeft. 



The tbicknefs of the coat laid on is about 

 half an inch. Half a chaldron of lime is 

 fufficient to complete a pond of forty feet 

 diameter. The principal part of it is laid on 

 beneath the clay j a few bufhels only being 

 rcferved for fcartering round the edges, to 

 prevent the worms from getting into the 

 (:lay *. 



4. Claying. 



* A ftill more fecure, and on the whole a more eli- 

 gible method of liming has lately been thought of, and 

 is now (June 1787) in pradice at Lockton (in this 

 neighbourhood) by the Commiliioners of laclofure, in 

 making public drinking pools for the ufe of the town- 

 fliip. Inllead of fcattering the lime in powder, :t i? 

 formed vvith fand into mortar ; a regular coat of which 

 is fpread about an inch thick, not only beneath, and at 

 the edges of the clay, but over the entire furface. This 

 is an obvior.s improvement, which appears to human 

 forcfight to bring the a.t near to perfedtion. The clay 

 becomes cafed on every fide with a rc:;ular coat of ce- 

 ment, and is tliereby fecurcd, in perhaps the completeil 

 manner poffible, from the attack of worms. The la- 

 bour and expenct;, however, is by this method in- 

 ci"fafcd, A pond nineteen fed diameter took tuo chal- 



droii, 



