[ 5* ] 



Str/ata, when marked with flender 

 longitudinal furrows. 



Porcata, when with elevated longi- 

 tudinal fulci, or ridges. 



Sulcata, when thefe ridges are can- 

 cave, 



Hemelytra, when the fuperior wings 

 are of a middle fubitance betwixt lea- 

 ther and membrane ; either totally fb, as 

 in the Grylli ; or partially fo, as in the 

 Cimices, Nepss, and Notone&ae. Thefe 

 are commonjy diftinguifhed by the 

 name Hemiptera. 



Halteres, Poifers, (a term alib in- 

 troduced by Lhjnasus) &re little heads 

 placed on a ftalk or peduncle, mofr. fre* 

 quently under a little arched fcaJe, 

 They are found only in the clafs Dipte, 

 ra, and appear to be nothing more than 

 |he rudiments of the hinder wings. 



Cmda, the tail ? in mofl infects is, 



Simplex % 



