B44 INSECTA SAUNDERSIANA, 
Musca convieua. 
Cinerea ; caput nigrum ; thovae nigro quadrivittatus ; abdomen subtessel- 
latum, subtus rufum nigro vittatum ; pedes nigri ; ale limpide. 
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: wings colourless; veins 
black, tawny at the base; prebrachial 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: 
alule white with pale yellow borders: halteres tawny. Length of the 
body 3 lines; of the wings 6 lines. 
United States. 
Musca puts, Mas. 
Nigra ; thorax canus ; abdomen viride; antenne basi fulve; ale sub- 
cineree, basi subfusce. 
Black: epistoma ferruginous, not prominent; lateralia ferruginous : 
palpi tawny : feelers black ; first and second joints tawny ; third short, not 
nearly reaching the epistoma, tawny at the base: chest with a hoary covering : 
abdomen green, not longer than the chest: legs black: wings slightly gray, 
pale brown at the base; veins black; prebrachial 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: alule gray: 
halteres yellow. Length of the body 2 lines; of the wings 4 lines. 
South Australia. 
Musoa cosratis, Fem. 
Cana ; caput argenteum ; thorax nigro quadrivittatus ; antenne nigra, 
articulis 20 apice 3oque basi ferrugineis ; pedes nigri, cowis genubus- 
que ferrugineis, tibiis subtus piceis; ale cinerea, ad costam fusca. 
Black, with a hoary covering: head with a silvery white covering, 
clothed beneath and behind with white hairs; frontalia deep reddish brown, 
