200 UP AND DOWN THE BROOKS. 



I began to pull the dry rose-leaves apart, and 

 lo ! here and there were little white balls that 

 looked like pills, only they were somewhat cottony 

 on the outside. The Giants, being of the same 

 age, had all become sleepy at the same time, and 

 passed into the pupa stage. The cotton of their 



Cocoons of Chrysopa. 

 Mine were just a little larger than this. 



cocoons was beautifully white, and one could im- 

 agine the Giants sleeping quite comfortably inside 

 such sheets. I rejoiced that the last meal I had 

 given them was so good a one, for I should have 

 felt guilty if I had allowed them to go to bed hun- 

 gry. If Aphides notice anything of the sort, how 



