DIPTERA. 189 
ANTHRAX REFERENS, Fem. 
Nigra, capite pectore abdominisque segmentorum marginibus posticis fer- 
rugineo-hirtis, thoracis lateribus albo-hirtis, abdominis basi fulvo- 
hirto lateribus albo nigroque fasciculatis, apice pilis albis interrupte 
bifasciato, ventre ferrugineo, antennis nigris, pedibus piceis, alis 
fuscis margine postico angulisque duabus limpidis. 
Black: head clothed with short ferruginous hairs and on the crown 
with some black hairs: mouth pitchy: each side of the chest adorned with 
a stripe of white hairs: breast gray, clothed with ferruginous hairs: abdo- 
men obconical, much shorter than the chest, adorned towards the tip with 
two interrupted bands of white hairs ; base clothed with pale tawny hairs ; 
hind borders of the segments clothed with short ferruginous hairs ; sides 
adored with alternate tufts of black and white hairs ; underside ferrugi- 
nous: legs pitchy, clothed with very short black hairs and bristles ; thighs 
and shanks adorned with a tawny tinge: wings dark brown from the base 
along the fore border to the tip and along the hind border to the end of the 
inferior part ; this brown part includes w nearly colourless dot, and its out- 
line has two deep and irregular inward curves; wing-ribs and veins black ; 
poisers pitchy with pale yellow tips. Length of the body 4—44 lines; of 
the wings 11—12 lines. 
East India. 
ANTHRAX constTituTA, Fem. 
Nigra, flavo-hirta, pectore cinereo, abdominis lateribus nigro fasciculatis, 
pedibus nigris, alis nigris apice margineque postico limpidis. 
Head wanting. Black: chest clothed in front and on each side with 
yellow hairs: breast gray, clothed with whitish hairs: abdomen nearly 
linear, clothed with yellow hairs, somewhat truncated at the tip; sides 
clothed with tufts of alternate black and yellow hairs: legs clothed with 
short black hairs and bristles: wings very dark brown, colourless at the tips 
and along most part of the hind borders ; the outline of the brown is nearly 
straight with the exception of a short space near the tip, where it projects into 
the colourless part; it extends from five-siwths of the fore border to one- 
fourth of the hind border ; wing-ribs and veins black; poisers tawny. 
Length of the body 6 lines; of the wings 16 lines. 
South America. 
© 
a 
noel a i 
