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DIPTERA. 3387 
Musca FASCIATA. 
Viridis ; caput luteum; thorax nigro trivittatus; abdominis segmenta 
purpureo fasciata ; antenna lutee; pedes nigri, tibiis ferrugineis ; 
ale cineree. 
Green: head luteous; frontalia pale ferruginous: feelers luteous : 
chest with three black stripes: abdomen with a purple band along the hind 
border of each segment; under side with white reflections: legs black; 
shanks ferruginous : wings gray; veins black; prebrachial vein forming a 
right angle at its flexure, curved inward near this, straight from thence to 
the tip; lower cross-vein with the two curves, the upper one more distinct 
than the lower: alule white, with pale yellow borders: halteres yellow. 
Length of the body 3} lines; of the wings 6} lines. 
Brazil. 
Musca purpurea, Mas. 
Cyaneo-purpurea ; caput auratum ; thorax antice eneo-viridis ; antenne 
lutee, articulo 30 supra ferrugineo ; pedes picei; ale cinerea, basi 
et ad costam nigricantes. 
Purple, partly blue: head pale gold-colour, clothed behind and beneath 
with yellow hairs ; face whitish: eyes with large facets on the upper part : 
mouth pitchy ; palpi yellow : feelers luteous ; third joint ferruginous above, 
four times the length of the second; sixth blackish towards the tip: fore 
part of the chest eneous-green with a hoary covering ; a luteous scapula on 
each side of the fore-breast: legs pitchy; wings gray, blackish at the base 
and along the fore border; veins black; prebrachial vein slightly curved 
inward beyond its flexure; lower cross-vein much curved outward: alule 
slightly testaceous: halteres yellow. Length of the body 34 lines ; of the 
wings 7 lines. 
South America, 
