OF INSECTS. 5 



The mouth is generally placed under 

 the head, fometimes in the breaft ; it is 

 furnifhed with a rojirum or probojcis, an 

 upper lip, jaws placed tranfverfally, teeth, 2l 

 tongue, and a palate; fome infects have no 

 mouth, 



The Jlemmata or gems, are three bright 

 convex fpots, or tubercules, placed upon the 

 crown or upper part of the head. 



The trunk is the part fituate between 

 the head and the abdomen ; fome of the 

 feet are fixed to it $ the upper part of it 

 is called the thorax, behind which is 

 the fcutellum, or efcutcheon (generally of a 

 triangular form) for the infertion of which 

 a piece appears to be cut out of the interior 

 margin of each elytron : the under part 

 is called thejiemum and breajl. 



The abdomen, or lower body, contains the 



ftomach, inteftines, and vifcera ; it confifts 



of five rings, or fegments, and is pierced on 



the fides with fpiracula, or pores y which 



A 3 fupply 



