28 A GUIDE FOR THE STUDY OF ANIMALS 



Drawings suggested. 



a. Side view with the legs and wings removed. Label 

 all parts shown in this drawing. (See Definitions on pages 

 23 and 24 for names of parts.) 



b. Face view of the head, showing the simple and com- 

 pound eyes, the antennae, labrum, and palps. 



c. One of the third pair of legs.- Label parts. 



d. A fore and a hind wing arranged in natural position. 



e. A young grasshopper. 



3. COMPARATIVE STUDY OF ORTHOPTERA 



Materials. 



Mounted specimens of various common species of or- 

 thoptera. 



Observations. 



1. Where does the insect live .' What is its color 1 



2. What is the size and shape as compared with the 

 grasshopper .? 



3. What is the length of the antennae as compared with 

 the length of the body .-' 



4. To what kind of locomotion are the legs adapted.' 

 How.? Are the forelegs specially adapted for grasp- 

 ing .? 



5. What is the position of the wings when at rest .' 

 Are they large or small as compared with the size of the 

 body } 



6. Are the ovipositors long or short } (Compare with 

 those of the grasshopper.) 



7. Find the group to which the insect belongs and its 

 name by the key in the following section. 



