56 LIFE IN THE INSECT WORLD. 



Jlunt M. Yes; and this case is called its 

 cocoon. But what is the worm called before it 

 is shut up in its case ? 



Harriet. Oh, I cannot remember that hard 

 name. 



ftunt M. Can either of you remember what 

 the worm is called ? 



Renee. It is called larva. 



rfunt M.. And why is it called larva ? 



Renee. You told us larva meant a mask, 

 and that the butterfly was inside of the worm ; 

 but I do not understand how that can be. 



rfunt M. I will tell you. Have you never 

 pulled to pieces a green rose bud, and seen the 

 leaves of the flower closely folded up in it ? 



Renee. Oh, yes, I have often seen that. 



Harriet. And so have I. 



Jiunt M. The green rose bud is as little like 

 the rose as the caterpillar is like the butterfly ; 

 and yet there is the perfect rose folded up inside 

 of it : you may see the same in any other flower 

 bud. Just so the butterfly is concealed within 

 the body of the worm ; but as you cannot see 

 the leaves of the flower until the bud is pretty 

 fully grown, so the butterfly cannot be distinctly 



