196 



THE ENTOMOLOGIST. 



Notes on the Wing-hones of the Two-winged Flies. 

 By Francis Walker, Esq. 



(Continued from p. 149.) 

 Bones. Areolets. 



Mediastinal. 



Subcostal. 



Radial. 



Cubital. 



Cubital, 1st branch. 

 c" Cubital, Qnd branch. 

 cV Prsebrachial, 1st branch. 

 d" Prsebrachial, 2nd branch. 

 )ii Pobrachial, 1st branch. 

 y Pobrachial, 2nd branch. 

 V Anal. 

 w Subaxillarj'. 



Fig. 31.— Cyrtus. 



B Subcostal. 

 K Radial. 

 C Cubital, 1st. 

 C" Cubital, 2nd. 

 B' Praebrachial, 

 B'' Pobrachial. 

 D' Subapical, 1st. 

 D" Subapical, 2nd, 



Y Anal. 



V Subanal. 

 I Discal. 



-r" ^ 



-^ ^ 



Figs. 32 & 32 a. — Acrocera. 



