16 INTRODUCTION TO ZOOLOGY. 



head, a drawing of each of the mouth parts, antennae, 

 ocelli, two legs, wings, and ovipositor. 



9. What color is your grasshopper? Is this color 

 an advantage ? Would it be well for the grasshopper 

 if it were bright red or blue or yellow? Are all 

 grasshoppers the same color? Why? 



10. Copy the following words into your notebook. 

 Spell, pronounce, and tell what each word means. 



11. What do grasshoppers eat? Are they inju- 

 rious to crops? Why are they not injurious every 

 year? How many kinds of grasshoppers can you 

 collect? 



12. Can a grasshopper feel? See? Hear? Smell? 

 Taste? With what organs can he smell? Taste? 



13. How does a grasshopper escape from his 

 enemies? What enemies? 



14. How long does a grasshopper live? 



Internal Structure. 



1. Cut off the wings of a grasshopper that has 

 been freshly killed. Pin it, back upward, on cork, in 

 a dissecting dish full of water. The cork must be 

 sheet cork, weighted down with lead so as to sink in 

 the water. 



