O F S I L }^. 209 



wild ones, if the worms on thofe flielves 

 were ftrong and healthy, although not the 

 firfl that went to fpin : or you may haften 

 or delay a little the time of either coming 

 out, fo as to make them anfwer, by a fmail 

 difference in the warmth of the place 

 where the pods are kept when ftrung. 



The foregoing method may be tryed in 

 thofe countries which are not fubje6l to 

 fuch rains, winds, or cold, as would hurt 

 the worms. The following one for trying 

 to keep filkworms on fmall trees v/ithin 

 doors is propofed as a matter of curiofity, 

 for thofe who keep them only for amufe- 

 ment, which if it fucceeds, will fave the 

 trouble of attending and feeding them. 



For this end get two or three young mul- 

 berry-trees as bufhy, and full of branches 

 as you can procure, and of fuch a fize as 

 that when placed in pretty large but flat 

 boxes of earth, they will pafs through the 

 door of the place where they are to be fix- 

 ed. Thefe trees fhould be fuch as fpread 

 into branches within about half a foot of 

 the ground, that by thefe means they may 

 have the larger heads and more leaves, and 

 yet pafs the eaiier through the door, which 

 they will alfo the better do if they are of a 

 P fiattifh 



