332 INSECTA SAUNDERSIANA. 
more than twice the length of all the preceding joints: breast with a ci- 
nereous covering: abdomen testaccous, elliptical, a litle shorter and broader 
than the chest: legs tawny; feet black: wings very slightly gray; veins 
black, tawny at the base; prebrachial vein forming a very obtuse angle at 
its flexure, beyond which it is hardly inclined inward, approaching very 
near the tip of the cubital vein ; lower cross-yein with the two usual curves, 
the lower inward one rather deeper than the other: alule dingy white 
with luteous borders. Length of the body 3] lines; of the wings 7 
lines. 
South Australia. 
Musca occripeEntis. 
Nigra, canescens ; caput album; thorax fusco quadrivittatus ; abdomen 
cinereum, fusco secmaculatum ; genua fulva ; ale sublimpide. 
Fem. Head with a white covering ; frontalia broad, black, ferruginous 
towards the feelers ; facialia without bristles ; epistoma slightly prominent: 
eyes bare: mouth a little shorter than the chest; palpi long, slender, 
tawny: feelers black, with a hoary covering ; third joint deep, almost trun- 
cated at the tip, not reaching the epistoma, more than twice the length of 
the second ; sixth tawny, stout towards the base, feathered almost to the 
tip with long hairs, longer than the third: chest with a hoary covering and 
with four brown stripes : abdomen cinereous, obconical, not longer than the 
chest ; second and third segments with three brown spots, the middle one in 
advance, larger than the other two: legs black ; knees tawny : wings almost 
colourless ; veins black, tawny at the base; prebrachial vein forming a 
very gentle curve at its flexure, very slightly bent inward towards the tip, 
joining the border below the tip of the wing ; lower cross-vein very slightly 
bent inward in the middle: alule white: halteres pale yellow. Length 
of the body 3 lines; of the wings 6 lines. 
United States. 
