Peaotioal Zoology. 



THE GRASSHOPPER. 



THE PABTS OF THE BODY. 



1. The foremost, or anterior, part is the head. 



2. The middle part is the thorax. 



3. The hinder, or posterior, ringed part is the abdomen. 



THE HEAD. 



1. Notice its shape and mode of attachment to the thorax. 



2. Two slender projections, the feelers, or antennae. 

 Observe how and where they are attached to the 

 head. Use a lens to count the parts, or segments, 

 of which each antenna is composed. 



3. Note the situation and shape of the eyes. Examine 

 one of the eyes under a microscope, using a one-inch 

 objective ; make a drawing of what you see. These 

 eyes are compound, and each of the parts is called a 

 facet. 



4. Just in front of the compound eyes look for a pair of 

 simple eyes, the ocelli. Find a third ocellus on the 

 head, using a lens if necessary. 



5. At the lower part of the front of the head is a mov- 

 able flap, the upper lip, or labrum ; raise it with the 



