120 GRAMMAR OF ENTOMOLOGY. 



433. Our upper lip corresponds, then, pre- 

 cisely to the labrum of insects ; our lower lip, 

 to the labium ; our upper jaw, divided, to the 

 mandibles ; our lower jaw, divided, to the max- 

 illae ; our tongue, to the tongue ; and, when both 

 mouths are closely shut, the parts in each occupy 

 similar places. A locust's mouth aptly illustrates 

 this. 



