INSECTS AND BIRDS. 



265 



STALK OF COTTON. 



Showing the egg (e), larva (a), pupa (6), and adult of the cotton-leaf worm moth 

 (Herrick's Zoology). 



jecting pads. With each successive molt the wing-pads 

 become larger and larger until after the last molt they 

 appear fully developed. This is the way in which a 

 grasshopper and many other insects like cockroaches, 

 dragon-flies, bedbugs, etc., grow. A moth, butterfly, 

 mosquito, house-fly, beetle, honey-bee, ant, and many 

 other insects grow very differently from this. 



