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tlie Weevil, bccaufe it fcattcrs a great quantity of its excrements in 

 the fliape of white round balls, which are very large in proportion to 

 the fize of its body. 



. Moreover, this maggot has in the anterior, or fore part of its 

 liead, an organ, or inftrument, through which it continually fpins 

 an exceeding fine thread, which thread it fixes to every fubftance it 

 approaches. By this means its body is always fupported lo that it 

 cannot fall, and in a clean glafs it can move from place to place, 

 being fufpended by this thread, and by this thread alfo it connects 

 or binds the grains of wheat together. 



Some of this wheat I put into a glafs tube, about the fize of a 

 finger, and a foot in length, clofing each end with a good flopper, 

 and the reft of the wheat I kept in a wooden box. But, towards the 

 end of the fummer, I obferved feveral of the maggots forfaking tlie 

 wheat, and fattening themfelves to the glafs, and others of them I 

 faw creeping about among my papers, and I found the box, in which 

 I had put them, perforated in two places, through which many of 

 them had efcaped. I alfo faw the ftopper to the glafs tube gnawed 

 into, as deep as the thicknefs of a linger, and upon taking it out, I 

 found that eight or ten of the maggots had crept into it ; upon which 

 I placed them again in the glafs tube, with the grains of wheat, and 

 flopping the orifices with a cork, I covered the cork on the outfide 

 with fealing-wax, to prevent the maggots again efcaping, but at the 

 fame time I contrived a fmall aperture that they might not be de- 

 prived of air. Plate II. fig. 5, ABC D reprei'ents this glals tube, of 

 which AD, andBC are the two extremities, each doled with a 

 Itopper covered with fealing-wax ; EG and F H are two fmall glafs 

 tubes, paffed through the ftoppers, to fupply the maggots with frefh 

 air, but thofe apertures were fo fm.all as not to permit their efcape. 



About the fame time that I was employed in thefe obfervations, I 

 vifited a granary infefled with this infedl, and faw th? maggots, in 

 great numbers, creeping up the walls, from whence I concluded. 



