344 INSECTA SAUNDERSIANA. '\ J 



MUSCA CONTIGUA. , ''u^j "^ ' ' 



Cinerea ; caput nigrum ; thorax nigro quadriviUatus ; abdomen siiblessel- 

 latum, subtus rufum nigro vittatum ; pedes nigri ; alcB limpidce. 



Cinereous : head, mouth and feelers black ; third joint of the feelers 

 much longer than the second, not reaching the epistoma which is very 

 slightly retuse : chest with four black stripes : abdomen slightly tessellated ; 

 under side red with a black stripe: legs black: ivings colourless; veins 

 black, tawny at the base ; praebrachial vein forming an obtuse and not 

 sharply defined angle at its flexure, very slightly curved inward from thence 

 to the tip ; lower cross-vein very slightly inclined inward in the middle : 

 alulae white with pale yellow borders : halteres tawny. Length of the 

 body 3 lines ; of the wings 6 lines. 



United States. 



J . a 



MuscA DUBiA, Mas. 



Nigra ; thorax canus ; abdomen viride ; antemuB basi fulvm ; alee sub- 

 cinerecB, basi subfuscce. 



Black: epistoma ferruginous, not prominent; lateralia ferruginous : 

 jialpi tawny : feelers black ; first and second joints tawny ; third short, not 

 nearly reaching the epistoma, tawny at the base : chest ivith a hoary covering : 

 abdomen green, not longer than the chest : legs black : wings slightly gray, 

 pale brown at the base; veins black; praebrachial vein forming an obtuse 

 angle at its flexure, slightly bent inward from thence to the tip, joining 

 the cubital vein near the tip of the latter; lower cross-vein hardly bent in- 

 ward along half the length, straight from thence to the tip: alula? gray: 

 halteres yellow. Length of the body 2 lines; of the wings 4 lines. 



South Australia. 



MuscA cosiALis, Fem. 



Cana; caput argenteum ; thorax nigro quadrivittatus ; antenna- nigra;, 

 articulis 2o apice Soque basi ferrugineis ; pedes nigri, coxis genubus- 

 que ferrugineis, tibiis subtus piceis ; alte cinerece, ad costam fusca. 



Black, icith a hoary covering : head with a silvery white covering, 

 clothed beneath and behind with while hairs; frontalia deep reddish brown. 



