F S I L K. 99 



fide, fo as to form a flope when you would 

 fweep away the htter that has gathered on 

 them. But becaufe the fixing of thefe re- 

 ceivers may appear too troiiblefome to 

 rnany, it may fuffice to make the hurdles 

 of reeds placed fo clofe to one another, 

 that after the worms are a fortnight old, 

 none of their litter can pafs through ; and 

 before they arrive at this age, they may 

 have paper or other convenient materials 

 fpread under them on the hurdles, which 

 will hinder their litter from annoying the 

 lower ihelves, and alfo be convenient in 

 taking out each flieet of paper by itfelf 

 when you would examine or clean the 

 worms, unlefs you keep them in drawers, 

 as taught before. 



Hurdles feem much preferable to (lielves 

 of boards ; for though when the v^^brms 

 are large and make much litter, their hur- 

 dles muft be taken out, fliaken, and fwept, 

 yet this need not be done near fo frequent- 

 ly as when they are kept on boards ^ for 

 the air, which will have admiiTion through 

 the vacancies of the reeds, will keep them 

 fweeter, by drying the litter and alfo the 

 fhreds of leaves that remain on them, 

 and will hinder them to grow fo moifrand 

 H 2 mouldy 



