298 INSECTA SAUNDERSTANA. 
ders of the veins; prebrachial vein forming a very obtuse angle at its 
flexure, hardly inclined inward near its tip which approaches very near the . 
tip of the cubital vein; lower cross-vein with the two usual curves, the 
lower more distinct than the upper. Length of the body 4 lines; of the 
wings 8 lines. 
South America. 
~ Tacurna supaurata, Fem. 
Nigra, aurata ; caput antice et sublus albidum ; thoraw nigro quadrivit- 
tatus ; pectus cinereum ; abdomen nigro quadrifasciatum, subtus al- 
bido fasciatum ; ale subcineree, basi subfusce. 
Black, with a gold-colour covering : head whitish in front and beneath 
where it is clothed with white hairs; frontalia pitchy, linear; epistoma not 
prominent: facialia without bristles except at the base: eyes bare; mouth 
pitehy ; palpi tawny: feelers black; third joint almost twice the length of 
the second, not quite reaching the epistoma: chest with four black stripes : 
breast gray : abdomen obconical, not longer than the chest; first segment 
black ; second and third with black hind borders ; tip black ; under side with 
whitish interrupted bands: legs black; thighs tinged with gray: wings 
slightly gray, with a pale brown tinge at the base ; veins black, tawny at the 
base; prebrachial vein very slightly curved, forming a very obtuse angle 
at its flexure, very slightly curved inward from thence to the tip; lower 
cross-vein with two slight curves, the lower inward, full thrice the length of 
the upper which is outward: alule white, indistinctly tinged with yellow. 
Length of the body 3% lines; of the wings 7 lines. ; 
Cape. 
TACHINA ANTENNATA, Mas, 
Nigra, canescens; caput album; thorax nigro trivittatus; antenne et 
pedes nigra ; ale subcineree. 
Black: head with a white covering; frontalia deep black, narrow ; fa- 
cialia beset with bristles along the whole length; epistoma not prominent : 
eyes hairy: palpi black : feelers black ; third joint ewtremely deep, almost 
straight above, slightly convex beneath, truncated at the tip, about thrice 
the length of the second ; tts depth full twice its length ; sixth yery much 
