Caterpillar Chrysalis. 



Caterpillar. Cocoon. Butterfly. 



Blackboard Drawing : An Insect and its Changes. 



to see the number and variety of living crea- 

 tures which it contains; some swimming like 

 fish or eels, some jumping like frogs, and some 

 dragging their bodies lazily along. 



5. Just think of ten thousand (10,000) occupying the 

 space of a grain of sand. Creatures which are so small 

 as to be invisible, or nearly so, to the naked eye, are called 

 An-i-mal'cules. 



6. Insects are of many kinds ; some have to 

 creep about all their lives ; some creep only 

 for a little while, like the Caterpillar, and then 

 undergo changes, taking to themselves beauti- 

 ful wings. 



7. The CATERPILLAR is the form which the 

 insect takes just after leaving the egg ; after a 

 while it spins or makes for itself a kind of 

 case or covering, called a cocoon ; the insect 

 is then called a Chrysalis. After remaining a 



