^Z6 DEPTEROUS INSECTS* 



Order VI. — Bepterous Injeclu 



1 HIS order comprehends all the numerous races of flles^ 

 tipulee and gnats, which are charafterifed by having only 

 two wings : Below each of thefe there is placed a halter 

 or poifer, which is terminated by a knob, and has its 

 bafe concealed under a little fcale *, 



* Syft. Nat. Ord.VL 



