440 LIST OF DIPTERA. 



domen, slightly brown along the borders of the veins ; wing-ribs 

 ferruginous ; veins black, piceous towards the base ; poisers tawny. 

 Length of the body 8i lines ; of the wings 13 lines. 



Asilus Corythus, n. s., fern. Fuscus, thorace vittato, abdomine 

 fusco-fulvo, apice nigro, antennis piceis basi ferrugineis, pedibus 

 nigris, tarsis basi tibiisque ferrugineis alls subfuscis. 



Head a little narrower than the chest, covered with pale tawny 

 down, thickly clothed behind and beneath with white hairs, beset 

 behind the eyes with a row of black bristles ; crown furnished* on 

 each side with black bristles and white hairs ; front clothed with 

 white hairs ; clypeus more thickly armed with long white hairs and 

 black bristles : eyes bronze ; fore part flat, its facets much larger 

 than those of the other part : lip black, clothed at the tip with short 

 tawny hairs; palpi piceous, with ferruginous tips, clothed with long 

 hoary hairs ; first and second joints of the feelers beset with short 

 black bristles; first joint ferruginous ; second joint piceous, ferru- 

 ginous at the base, about half the length of the first : chest dark 

 brown, indistinctly striped, clothed with very short black hairs, beset 

 on each side and behind with black bristles : breast gray, partly 

 clothed with hoary hairs : abdomen brownish tawny, narrower than 

 the chest, and much more than twice its length, tapering from the 

 base to the tip, clothed with extremely short black, and towards the 

 base with longer tawny hairs; first and second segments very short ; 

 third and following segments long, successively decreasing in length 

 to the tip, which is black, shining, nearly cylindrical, and armed 

 with a circlet of short black spines : legs black, clothed with very 

 short black hairs, armed with black spines ; shanks ferruginous, pi- 

 ceous at the tips ; feet ferruginous towards the base ; foot-cushions 

 tawny: wings light brown, reaching when closed a little beyond 

 three-fourths of the length of the abdomen; wing-ribs piceous; 

 veins black ; poisers tawny. Length of the body 9^ lines ; of the 

 wings 13 lines. 



a# ? From Mr. Children's collection. 



Asilus Tamphilus, n. s., mas. Fuscus, thoracis vittis tribus palli- 

 dioribus, lateribus pectoreque canis, abdominis segmentorum mar- 

 ginibus posticis cinereo-fulvis, antennis pedibusque nigris, tibiis 

 basi rufis, alis subfuscis apice cinereis. 



Head narrower than the chest, covered with hoary down, 

 clothed behind and beneath with white hairs, covered above and in 

 front with dark tawny down, beset behind the eyes with a row 



