3-6. 



' Pre, 



c 



sth 



Doner 

 efl 



V. 



"one 



^and 



• hich 

 reach 



num. 



efca- 



:rtof 



-^fthe 

 scold 

 every 



or/>i^ 







-) 



::Tioii 



n of 



... ii; 



ibrni- 







fu" 



-»n*^ .: 



i: 



►- 



^iK J 



.wj 



liree 



r^H 



■tter) 



Sect. XIV. 3. 6. 



OF PLANTS. 





latter, and becaufe infeas do not rife fo near the furface in the win 



ter months. 



Where this peftilential grub occurs, perhaps rolling the land 



the fpring might cruQi 



And when the fiy 



is feen to come out in fuch abundance in the fummer evenings on 

 grafs land or fallows, it is probable, that rolling the ground in the 

 evening might prevent the return into the earth both of thefe and of 

 the Mry-ch'iifFcrs to depofit their eggs, and thus prevent their future 



durincT their crub ftate, when they exift at the roots of 



fin-face of the foil, perhaps flaked 



P 



or 



heat above or jufl beneath th 



li 



m 



•-n 



fprinklcd over the crop in powder, or fea-falt in po 



f the'corn in a wet 



C7 



hi 



ftly 



der, which' might be wafhed down the flems 



day, and deftroy the infed without injuring th 



by tar-w ater ; all which might be firft tried on a fmall part of a field 



for as lime is not all of equal purity, it is not all of the fame flrengtl 



or cauflicity. 



Another infed is faid to injure wheat when in flower, and is fup 



pofed 



b 



thrips phyfapus of L 



mentioned 



th 



e 



fadions of the Linnean Society, Vol. 111. But as it only attack 

 the late flowering ftems, it may poifibly be prevented by fowing th 

 wheat early, if it fliould ever become a ferious evil. 



Some time ago an infed called a corn-butterfly committed grea 



g 



France while in its vermicular ftate, fo as to ruin two h 



dred pariflies. A cure for it was at length difcovered, which con- 

 fifled in drying the wheat in an oven before fowing it, and thus ex- 

 pofing it to fuch a degree of heat as would deftroy the eggs of, the 

 infed without injuring the feed; or perhaps which hatched them 

 without fufficie'nt moifture to foften the grain for their fupport. See 



Encycl. Britan. Agricult. 



Between Chefterfield and Plaifly in Derbyfliire I well remember 



above forty years ago to have (ccn for 



two or three miles together 



every leaf of the hedges devoured by the May- chaffers, fcarabaeus 



3 A 2 



melolontha. 



