OF SILK. 227 



tiiaii is neceflary to keep that within frefli. 

 It may alfo be of ule, before you feed the 

 worms, to ftrow over them fome very dry 

 chafF, flravv, or hay, fo thin that they can 

 come through it, and upon this to ftrow 

 their leaves, this may imbibe part of the 

 moiilure which is in their Htter, or on the 

 furface of their bodies, and at leaft it will 

 keep them from lying upon their litter ; 

 on which account it may be ufed alfo at 

 other times, when there is a good deal of 

 litter on the hurdles, and you have not lei- 

 fure to clean them immediately. Silk- 

 worms fometimes die during their fpinning, 

 or after they have finifhed their pods, be- 

 fore they change into a chryfalis. The 

 proper regulation of heat, cold, and frefli 

 air in this cafe is all that is in your power 

 by way of prevention, and this has been 

 mentioned in its proper place. When the 

 worm dies before it has finiflied its pod, it 

 never feels loofe in it upon fhaking the 

 pod J therefore fuch pods mull never be 

 chofen for breed, nor indeed ought the 

 pods to be taken from the branches till 

 the cliryfalis fliakcs in them. 



Such difeafes of the moths as are within 



your reach, are only languidnefs in coupling 



Q^ 2 or 



