^782. N O R F O L K. 289 



. The hangs of hills dipping from the 122. 

 lea have fuffered lefs owing, perhaps, to JURNEP 

 the flies overfhooting them in their flight. FILLARS. 



The fliade of the trees, or the inftindt of 

 the animal, may likewife account for the bor- 

 ders round the inclofures ; but why one patch 

 of a field ftiould be lefs affected than another, 

 feems fomewhat myileribus. Perhaps, the in- 

 fects, being naturally gregarious, may hang 

 together in bodies, even while they are depo- 

 fiting their eggs. 



Thefe patches and borders however, though 

 they efcape the fly, do not long efcape the ca- 

 terpillars; for no fooner have they devoured 

 their fofter-plant, than they begin to travel in 

 queft of a frefh fupply of food ; and one fide 

 of the piece being finiihed, they with a wonder- 

 ful inftinct travel in bodies towards the other. 

 The whole field being finifhed, the gateway 

 and the adjoining roads have, it is faid with 

 great confidence, been feen black with them. 



They feem to neglect entirely the grafics 

 and every other plant, turneps and charlock 

 (finapis arvtnfis) only excepted. The laft they 

 are faid to devour with greater avidity than 

 they do the turneps themfelves. 



Mr. Baker inftances a corner patch, which, 

 for want of hoeing, had got up almoft knee- 



VOL. II. U high; 



