OF SILK. rif 



bofom or pocket, fo as to communicate 

 with the outward air. 



Thus much I have thought necefTary to 

 hint, in order to prevent any ill confe- 

 quence which may be fufpc6led to arife 

 from the method of hatching eggs ; for I 

 think fteam and moifture may hurt them, 

 as much as an improper degree of heat or 

 cold. 



Some few filkworms are alfo liable to 

 die in hatching by not readily getting out 

 of the fliell, which, as it is not fixed to 

 any thing, is apt to be dragged after them 

 in their efforts to get out, till growing tir- 

 ed they are not able to extricate them- 

 felves ; this, however, happens to but a few, 

 and thofe perhaps weak worms. But the 

 method in which the eggs muil be hatch- 

 ed makes this unavoidable, neither is it of 

 great confequence. 



It is likely that eggs often are hurt by 

 not being waflied, as mentioned in the 

 chapter on hatching; for then many of 

 them will remain fmeared over with that 

 moid fubflance, which the moths cafb out 

 a little before they lay their eggs, and this 

 will flop their pores in the fame manner 

 as was faid of fweat or perfpiration. It 



might 



