THE CATERPILLAR. 33 



THE CATEKPILLAB. 



1. Can you distinguish any body divisions ? Is the 

 head distinguishable from the rest of the body? 



2. Are there antennae on the head? Eyes? Man- 

 dibles? Palpi? 



3. How many segments behind the head? Are 

 there spiracles? How many? 



4. How many legs do you find? What difference 

 in the legs? 



5. The kind of legs in front are the true legs. On 

 what segments are they borne? 



6. The kind of legs behind are false legs, or pro- 

 legs. On what segments are they borne? Examine 

 carefully the tip of each of the prolegs. 



7. What changes would have to be made in the 

 body of a caterpillar in order to make a butterfly out 

 of it? 



8. Describe the color, hairs, and anything else you 

 see on the caterpillar. 



9. The caterpillar is the larva of a butterfly or 

 of a moth. 



10. The butterfly or the moth has an indirect or 

 complete metamorphosis. 



THE CHRYSALIS AND COCOON. 



1. If the chrysalis and cocoon of the large moth, 

 Samia cecropia, can be obtained, it will serve for this 

 study very well. If not, any other chrysalis will do. 



2. Study the shape and mode of attachment of the 

 cocoon. Draw. 



3. Do you find a hole at one end of the cocoon? 

 Toward which end of the twig is the hole ? 



4. Cut open tlie cocoon along one side. Of how 

 many layers is it composed? How do the layers 

 differ? 



