DIPTERA. 173 
hairs; disk of the chest mostly black: abdomen obconical, a little broader 
but hardly shorter than the chest, paler beneath, adorned above with silvery 
white hairs which form a very large triangular spot on each side of the 
base, a small spot on each side of the middle, and a row of small tufts along 
the back: legs ferruginous, armed with black spines: wings colourless, 
adorned with three dark brown bands which are partly ferruginous ; these are 
united on the fore border, and contain some colourless dots and on the hind 
border some colourless angles ; shoulders adorned with silvery white hairs ; 
wing-ribs and veins black, the latter ferruginous along the fore border and 
in the brown parts of the wing; poisers black with white tips. Length of 
the body 5 lines ; of the wings 12 lines. 
California. 
ANTHRAX CARBONARIA, Fem. 
Nigra, nigro-hirta, capite subtus cano, pedibus nigris tibiis posticis longis 
validis subarcuatis, alis fuscis basi et ad costam obscurioribus. 
Elliptical, black, rather broad, clothed with short black hairs: head 
hoary beneath, clothed in front with hoary hairs : abdomen obconical, a 
little shorter and broader than the chest: hind-shanks rather long and 
Stout, slightly curved: wings brown, dark ut the base and along the fore bor- 
der ; a stump on the angle of the hinder vein of the second marginal areo- 
let; wing-ribs, veins, and poisers black. Length of the body 8 lines : of the 
wings 20 lines. 
East India. 
ANTHRAX IGNIFERA, Mas. 
Nigra, nigro-hirta, capite antico cinereo, abdomine albo-hirto segmentorum 
marginibus posticis subferrugineis, antennis pedibusque piceis, alis 
subcinereis basi et ad costam fulvis. 
Black, elliptical, rather broad, thickly clothed with very short black 
hairs: front of the head tinged with gray: mouth and feelers pitchy: ab- 
domen obconical, a little shorter and broader than the chest; hind borders 
of the segments slightly ferruginous, clothed towards the tip with some 
white hairs: legs pitchy, clothed with very short black hairs: wings very 
slightly tinged with gray, bright tawny at the base and along the fore border ; 
QA 
