DIPTERA. 385 
the chest, luteous towards the tip which is black: legs testaceous: wings 
white, with several imperfect and interrupted brown bands ; one near the tip 
entire and including some white dots; a black and yellow dot on the fore 
border before the middle; veins yellow, partly black; cross-veins almost 
straight and upright: poisers yellow. Length of the body 14 line; of 
the wings 3 lines. 
South Australia. 
TrRYPETA MIXTA. 
Testaceo-tomentosa; caput subtus flavum; antenna flave ; abdomen ni- 
grum, apice ferrugineum ; pedes fulvi ; ale fuscw, albo confertim 
guttate, costa alba fusco maculata. 
Acinia, Desv. Black with a pale testaceous covering: head pale yel- 
low beneath: feelers yellow: abdomen mostly black; hind borders of the 
segments tawny ; last segment ferruginous, shining, obconical, flat, black 
at the base and at the tip: legs tawny : wings dark brown, adorned with 
numerous white dots of various size, these are largest and most numerous 
along the hind border where the brownis pale ; fore border white for three- 
fourths of the length, with pale brown transverse spots at regular intervals ; 
veins black, tawny at the base; lower cross-vein upright, almost straight: 
halteres tawny. Length of the body 3} lines; of the wings 6} lines. 
East Indies. 
TrypETA CoNTRARIA, Mas. 
Fulva; thoracis discus pallide ferrugineus ; abdomen sublineare apice 
Serrugineum fulvo vittatum ; pedes fulvi; ale fusca, vitta fasciis 
duabus striga maculaque hyalinis. 
Acinia, Desv. Tawny: head very pale: disk of the chest pale ferru- 
ginous, almost linear: abdomen towards the tip ferruginous with a tawny 
stripe: legs tawny : wings brown, with some colourless marks, these are; a 
short stripe along the fore border from the base; two bands tapering from 
the fore border to the disk, the second little more than half the length of 
the first ; an oblique streak near the base of the hind border which is very 
slightly gray, and a small spot on the hind border between the fourth and 
