ANALYTICAL TABLES. 



193 



JJ— Proboscis without fleshy latiellaa at the tip; palpi usually 



prominent ( Asilidse. ) 



II — Vertex and front plane or convex. 

 J— Never more than four posterior cells in the wing, 

 K — Third antennal joint without bristle, or style; fourth longi- 

 tudinal vein terminating at or before the tip of the wing. 



(Soenopids.) 



KK— Third antennal joint usually with terminal style ; fourth 



longitudinal vein terminates beyond the tip of the 



wing. 



li— Anal cell narrowly open or closed near the margin ; dis- 



cal cell present (Bombylidie. ) 



LLi^Anal cell closed remote from the border, or the discal 

 cell is wanting (Empidse.) 



WING OF HORSE rijT (TABANUS.) 



JJ — Five posterior cells in the wing, 



K— Nem'ation intricate; anterior cross vein wanting or rudi- 

 mentary (Nemistrinidag. ) 



KK — Neuration not intricate; anterior cross vein always dis- 

 tinct, 

 L— Fourth vein terminates beyond the tip of the wing, 



(TherevidiE. ) 

 LL— Fourth vein terminates before the tip of the wing, 



(Apioceridae,) 

 GG— Third longitudinal vein not forked. 



H — Antenna with a terminal arista, or sty*e, 

 I— Wings pointed, no cross veins in the middle , . (Lonchopteridje. ) 

 II— Wings rounded, not lancet-like. 



