18 ORDINES INSECTORUM. 



2. Hemipiera. hardnefs, rather refembling 



ftrong parchment or vel- 

 lum, than the horny fub- 

 ftance of the Coleoptera ; 

 they cover the body hori- 

 zontally ; the inner margins 

 extend the one over the 



other, not meeting in a di- 

 redl line, as in the Cole- 

 optera. 



3. Lepidoptera. Which have four wings, 



all membranaceous, and 

 imbricated, or covered with 

 fcales, fixed upon them 

 nearly in the fame manner 

 as tiles are laid upon the 

 roofs of houfes. 



4, Neurcptera. Thefe have likewife four 



membranaceous wings, but 

 which are naked, not beino- 

 covered with fcales as in the 

 laft mentioned genus; their 

 abdomen is unarmed, or 

 without a fling. 



5. Hym* 



