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DIPTERA. 343 
Mosca pracrpa, Fem. 
Purpurea ; caput flavum; pectus cinereum, antice testaceum; abdomen 
cyaneo-purpureum, subtus et lateribus antice testaceum; antenne 
nigra, basi ferruginee ; pedes testacei, tarsis nigris ; ale subcineree. 
Purple: head yellow, clothed beneath and behind with yellow hairs, 
with a white stripe on each side behind along the eye; crown blackish ; 
frontalia pitchy, widening much towards the feelers; facialia beset with 
short bristles; epistoma and peristoma prominent: proboscis black: palpi 
tawny : feelers black; first and second joints ferruginous ; third linear, 
rounded at the tip, yellow at the base, not reaching the epistoma, about 
thrice the length of the second; breast gray, testaceous in front : abdomen 
bluish-purple, testaceous beneath and on each side towards the base above : 
legs testaceous ; feet black : wings slightly gray; prebrachial vein forming 
a right angle at its flexure, slightly bent inward near this, straight from 
thence to the tip: lower cross-vein with the two curves which are slight: 
alule dingy white with yellow borders. Length of the body 3 lines; of 
the wings 6 lines, 
South Australia. 
Musca INTERRUPTA. 
Altra; caput ferrugineo-argenteum ; abdomen luteum, basi apice vittaque 
nigris ; antenne niyre ; pedes pice; ale sublimpide. 
Deep black: head with a silvery white covering, ferruginous on each 
side of the face, clothed with black hairs ; frontalia dark ferruginous, heart- 
shaped ; eyes thickly clothed with pale hairs; mouth, palpi and feelers 
black ; third joint of the feelers a little longer than the second, not nearly 
reaching the epistoma:; second and third abdominal segments bright luteous 
with a black middle stripe ; some whitish reflections towards the tip; under 
side pale luteous : legs pitchy : wings almost colourless ; veins black, tawny 
at the base ; prwbrachial vein forming an obtuse and not sharply defined 
angle at its flexure, very slightly inclined inward from thence to the tip ; 
lower cross-vein irregularly and very slightly inclined inward : alule white : 
halteres tawny with pale yellow knobs. Length of the body 3 lines; of the 
Wings 6 lines. 
Cape. 
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