REARING SILKWORMS. 



15 



all over the cocoon till all the silk substance is 

 emitted from the tubes. This process is called 



Worm Spinning the Cocoon. 



spinning the cocoon, as shown above. If the 

 worms are well cared for, and of good stock, at 



Miller Coming Out. 



Whole Cocoon, 



Pierced Cocoon. 



Chrysalis. 



the end of the fifth age they will measure 3-J or 4 

 inches. They are elongated and cylindrical in 



