DIPTERA. 349 
not prominent: proboscis and palpi black: feelers pitchy ; third joint more 
than twice the length of the second, not reaching the epistoma, slightly 
decreasing in depth from the base to the tip; sixth black, feathered with 
very long hairs, stout at the base: chest with four black stripes : abdomen 
slightly cinereous, ferruginous at the base; second and third segments with 
three black stripes, the side pair slightly oblique; fourth with two black 
stripes: legs black: wings very slightly gray; prebrachial vein forming a 
curve at its flexure, very slightly bent inward from thence to its tip; lower 
cross-vein straight till near the tip where it is bent outward: alule white 
with pale yellow borders. Length of the body 3 lines; of the wings 
6 lines. 
New Zealand. 
Musca serva, Mas. 
Cana ; caput argenteum ; thorax nigro quadrivittatus ; abdomen fulvum, 
segmentis nigro fasciatis ; antenne nigre, basi ferruginee; pedes 
fulvi, tarsis nigris ; ale subcinerea. 
Black: head with a silvery white covering ; frontalia deep brown 
widening much towards the feelers, facialia without bristles; epistoma not 
prominent: proboscis and palpi tawny : feelers black ; first and second joints 
ferruginous ; third pubescent, almost truncated at the tip, not reaching the 
epistoma, more than twice the length of the second: sixth tawny, feathered 
along two-thirds of the length, black and thick at the base, about twice 
the length of the third: chest with a hoary covering, and with four black 
stripes, the side pair interrupted: abdomen tawny; hind borders of the seg- 
ments blackish : legs tawny ; feet black : wings very slightly gray ; prebra- 
chial vein forming a gentle curve at its flexure, hardly bent inward from 
thence to its tip ; lower cross-vein with the two curves, the lower deeper 
than the upper: alule dingy white with pale yellow borders: halteres 
tawny. Length of the body 24 lines; of the wings 5 lines. 
United States. 
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