23. YORKSHIRE. 291 



and replacing it with herbage adapted to fuch 

 flock as is beft fuited to the foil and fitua- 

 tion. 



Sheep and rabbits are the flock beft 

 adapted to thefe hills ; and the ihorteft and 

 leaft expcnfive way of bringing them into a 

 ftate of SHEEP WALK and RABBIT WARREN is, 

 on this principle of improvement, the firjl 

 thing required. 



The Heath, it is more than probable, can- 

 not be overcome without cultivation, A 

 fimilar degree of tillage would probably jbc 

 requifite for herbage as for corn *. 



The SPECIES OF HERBAGE would be the 



grafts, the legumes -f*, and the brajjica- tribe. 



The hardieft of the two former might be 



U 2 feen 



* In Derbyfliire it has been found that a thick cover- 

 ing of lime alone is equal to the deftrucYion of the heath, 

 (without breaking up the foil,) and to the production of 

 a turf of rich herbage. But I have heard it doubted, 

 by thofe who are acquainted*with the pradlice, whether 

 in that cafe the improvement be adequate to the ex- 

 pence ; the quantity of lime requilite to produce th 

 effect being great. However, on the fltirts of the hills 

 under notice, to which lime might be carried at a mo- 

 derate expence, the experiment would certainly be 

 worth making. 



f Legumes. The clovers, trefoils, retches, &c. tyc. 



