334- M A N U R E Se 21, 



1. The materials burnt. 



2. The method of burning, 



3. The cofl, and the felling price. 



4. The foils, and the crops to which it is 



applied. 



5. The method of applying. 



1. Materials. On the Northern mar- 

 gin of the Vale, lime is burnt folcly from 

 Jlones, of different colours and contextures. 

 The fpecies moft prevalent are a ftrong light- 

 coloured GRANATE, and a fpecies of blue 

 and white marble ; the blocks, whether 

 large or fmall, being blue at the core, and 

 lighter-coloured toward the outer furfacc. 

 Thcfe ftones are hard^ ponderous^ and almoft 

 purely calcareous. 



One hundred grains of the former, taken 

 from a lower flratum of Picker ing-Castle- 

 BAN'K, yield forty-three grains of air, 

 and ninety- four grains of calcareous earth, 

 leaving a refiduum of fix grains, chiefly a 

 brown filt, with a few gypfum-like frag- 

 ments. 



One hundred grains of the latter, taken 

 from the lower ftratum of a quarry near 

 KiKCYMOORSicE, afTord thirty nine grains 



of 



