LINN^AN GENERA 



OF 



insects- 



order i. 



COLEOPTERA. 



LlNN^EUS has given the name of Coleoptera 

 to those insects which have two membranous 

 wings, hidden under corresponding cases, called 

 Elytra. These cases are convex, coriaceous, 

 very hard, and joined to each other by a line or 

 suture running from the base of the thorax, and 

 dividing the abdomen into two equal parts. In 

 some particular instances the under wings are 

 wholly wanting. Where this happens, the ely- 

 tra are united so as to form one case, the suture 



VOL. I. B 



