S56 MANURE AND MANAGEMENT. 



time on the decline in this quarter of the 

 county, and is now in a great meafure 

 fuperfeded, by 



III. LIME. This fpecies of manure, 

 I underftand, has been more or kfs ufed, 

 here, for about fixty years : a proof that, 

 heretofore, the Weft of England ftood 

 forward in Rural Improvements. 



The only species in ufe is burnt from a 

 variegated stone, or marble, raifed near 

 Plymouth; and carried up the different 

 eftuaries ; along the banks, and at the 

 heads of which there are kilns ; in which 

 ' great quantities are burnt, ' by men who 

 make a bufmefs of burning it. 



The LIME KILNS of Devonfliire are 

 large, and of an expenfivc conftrudlion ; 

 fome of them coiling not lefs than thirty 

 or forty pounds each. But their duration 

 is in proportion : one which has been 

 built thirty years is ftill firm and found on 

 the outfide. The walls are of extraordi- 

 nary thicknefs ; wide enough, on the top, 

 for horfes to pafs round the kiln, and de- 

 liver the flones. 



The 



