DIPTERA. ] 
+t 
=~ 
ANTHRAX coGNaATA, Mas. 
Nigra, thoracis abdominisque basi lateribus fulvo-pilosis, antennis nigris, 
pedibus piceis, tibiis ferruginets, alis fuscis cinereo-variis limpido 
quinque-maculatis. 
Black: head beset with black bristles, clothed in front with tawny hairs : 
sides of the chest clothed with pale tawny hairs ; front beset with a fringe 
of black bristles: abdomen as long as the chest, hardly decreasing in 
breadth from the base to the tip, clothed on each side of the base with pale 
tawny hairs: legs pitchy, beset with short black bristles; shanks ferrugi- 
nous: wings dark brown, gray on the disks of the areolets and on the whole 
of the hind border excepting the borders of the veins ; three colourless spots 
form a line on the disk and there are two more at the tip; wing-ribs and 
veins black; poisers pitchy with tawny tips. Length of the body 4 lines ; 
of the wings 12 lines, 
West Australia. 
ANTHRAX SEPARATA. 
Nigra, ferrugineo-hirta, antennis nigris basi ferrugineis, pedibus fulvis, 
tarsis piceis, alis fuscis ad apices oblique limpidis. 
Black, clothed with bright deep ferruginous hairs: sides of the peri- 
stoma ferruginous ; epistoma very prominent: first and second joints of the 
feelers ferruginous, beset with short black bristles: breast clothed with 
paler hairs : abdomen obconical, a little shorter than the chest: legs tawny, 
beset with short black bristles; feet pitchy: wings colourless, dark brown 
on more than half the surface from the base ; the outline of the brown is 
oblique, nearly straight, and extends from beyond two-thirds of the fore bor- 
der to much beyond one-third of the hind border ; wing-ribs and veins black ; 
poisers pale tawny. Length of the body 4 lines ; of the wings 10 lines. 
Bolton, North America. 
