LIST OF DIPTERA. 457 



ferruginous; poisers tawny. Length of the body 6i lines; of the 

 wings 11 lines. 



a. New York. Presented by the Entomological Club. 



In a fly of this species the little cross-vein in the middle of one 

 wing is double. 



Asilus Ccedicius, n. s., fem. Cinereus, thoracis vittis quatuor canis, 

 pectore albo, abdominis lateribus ventreque canis, antennis nigris, 

 pedibus fulvis, femoribus cinereis, alis subcinereis. 



Body hoary : head nearly as broad as the chest, covered with 

 silvery down, thickly clothed behind and beneath with white hairs ; 

 crown beset with a few black hairs ; front furnished with a few white 

 hairs ; clypeus prominent, armed with tawny and black bristles : 

 eyes bronze ; fore part slightly convex, its facets rather larger than 

 those of the other part: feelers black; first and second joints beset 

 with black hairs ; second joint slightly club-shaped, about half the 



j length of the first: third joint slightly tapering from the base to the 



, tip, as long as the first ; bristle nearly as long as the third joint : 

 lip black, clothed at the tip with short tawny hairs ; palpi black, 

 clothed with black hairs : chest gray, with indistinct hoary stripes, 

 thinly clothed with black hairs, beset on each side and behind with 

 black bristles : breast white : abdomen gray, narrower than the chest 

 and more than twice its length, slightly tapering from the base to 



\ the tip, thinly clothed with hoary hairs, hoary beneath and on the 

 sides of the segments of the back ; first and second segments short; 

 second segment arched, adorned with a tuft of hairs on each side ; 

 third and following segments long ; tip black, shining, compressed : 

 legs gray, thinly clothed with short black hairs, armed with black 

 spines ; shanks tawny, darker towards the tips ; feet dark tawny, 

 with piceous tips ; claws black ; foot-cushions tawny : wings with a 

 slight gray tinge ; wing-ribs piceous ; veins black ; poisers tawny. 



I Length of the body 5 — 5% lines ; of the wings 8 — 9 lines. 



a. New Holland. Presented by the Haslar Hospital. 



1 Asilus varius, White, Zool. Voy. Erebus and Terror. Mas. Fus- 

 cus, capite fnlvo, thoracis vittis tribus fasciis utrinque duabus 

 obliquis lateribus pectoreque Jlavo-albis, abdominis segmentorum 

 marginibus posticis flavis, ventre fulvo, antennis pedibusque ni- 

 gris, tibiis rujis, alis limpidis. 



Body dark brown : head tawny, as broad as the chest, clothed 

 behind and beneath with white hairs, and above with black hairs, 

 beset with black bristles along the upper hind borders of the eyes ; 

 front clothed with golden down ; clypeus thickly beset with black 

 bristles : eyes dark red ; fore part flat, composed of larger facets 



