^2 Ohfervations on the HeJJian Fly. 



year eighty-nine, the infed appeared to be gone. In the fall 

 of the year eighty-nine, the feveral forts of bearded wheat were 

 pretty generally introduced, and the harveft next following,, 

 which was in the year ninety, was in general very fine, and very 

 few of the infecl were to be feen. This fuecefs, which enfued 

 in confequence of the introduftion of bearded wheat, gave great 

 encouragement to farmers, and induced them to fuppofe that 

 the railing of that fort of wheat alone, without any other precau- 

 tion, would in future prove an effectual remedy againft the 

 deftru6lion occafioned by the Heffian Fly, but experience foon 

 after difcovered this to be a miftake ; for notwithflanding the 

 life of that kind of wheat, the fly again encreafed in the laft 

 year, fo as to be found in great numbers in many places, which 

 could be attributed to no other caufe except this — that the 

 wheat had been fown fo early in the fall preceding, as to afford 

 it an opportunity to increafe. It may not be improper here to 

 remark, that fowing wheat early in the fall is a circumftance 

 very neceffary to be attended to on Long-Ifland, that the wheat 

 may obtain a good growth before the cold weather, and be lefs 

 liable to be injured by the fevere frofts which frequently happen 

 in the winter feafon when the ground is not covered with fnow. 

 From this concife view of the firfl appearances, increafe and 

 decline of this fpecies of infeft in this part of the country, and 

 its revival again in the laft year, it will appear^ that bald and 

 fummer wheat will continue and multiply the fpecies until the 

 grain is deftroyed i that on the contrary, rye and tli^ various 



