28o THE CULTURE 

 may lie on a hurdle containing about fix 

 fquare feet, at which time they will be about 

 eight days old j two and an half of fuch 

 hurdles may contain them at their Jecond 

 moulting ; eight at their third ; feventeen 

 at their fourth moulting, and fifty when 

 they are ready to fpin : by which allow- 

 ance you fee they will take up about three 

 hundred times the fpace which they did 

 when firft hatched. 



You may continue to (hift and clean the 

 worms by means of the fhovels before 

 mentioned until they have paiTed their 

 third moult j if you keep them on the 

 hurdle in fuch difi:in6l parcels as may be 

 taken on a Ihovel ; otherwife you may, 

 fhift them by the hand, the method of do- 

 ing which may be thus j when you give 

 them frefh leaves, and they have got upon 

 them, take away the leaves with the worms 

 which Itick to them, and place them up^j 

 on loofe flraw fpread on a clean hurdle, 

 and if any worms remain upon the old 

 fibres pick up the fibres to which they ad- 

 here, and place them among the reft. 

 This I think is better than (as fome ad- 

 vife) to fcatter a few frefh leaves, and wait 

 till the odd worms which remain have got 



upon 



