72 MUSCID^E. 



Bristles of the front descending along one-fourth of the face ; fron- 

 talia piceous, slightly depressed; face very slightly oblique; facialia 

 reddish ; epistoma pale testaceous, slightly prominent ; lateralia reddish ; 

 palpi tawny. Antenna not reaching the epistoma ; second joint ferru- 

 ginous ; third sublinear, slightly rounded at the tip, much longer than 

 the second ; sixth very minutely pubescent, stout for half the length, 

 less than twice the length of the third, somewhat lurid at the base ; 

 veins black, testaceous at the base. Costal vein ending very little 

 above the tip of the wing ; subcostal vein ending at beyond one-third 

 of the length ; mediastinal vein ending at very much beyond half the 

 length ; radial vein ending at about seven-eighths of the length ; cubital 

 vein joining the costal near its tip ; praebrachial vein forming a not 

 sharply defined right angle at its flexure, curved inward from thence to 

 its tip ; discal transverse vein with the two usual curves, which are very 

 slight ; parted from the hind border by less than half its length, and 

 by full two-thirds of its length from the flexure of the prrebrachial. 



Not rare. (E.) 



121. intersita, n. Nigra, cinereo-tomentosa, capite albo, palpis 

 fulvis, antennarum articulo sexto prope ad dimidium incrassato, thorace 

 nigro-quadrivittato, alis cinereis, alulis albidis, abdomine ovato, vitta 

 dorsali et segmentorum marginibus posticis nigris. Long. 3^; alar. 

 61in. 



Frontalia piceous -black, linear ; bristles of the front descending to 

 one-third of the face ; face vertical ; epistoma not prominent. Antenna 

 reaching the epistoma ; second joint twice longer than deep ; third 

 linear, slightly truncated, tawny at the base, twice the length of the 

 second ; fourth very short ; fifth of moderate length ; sixth bare, stout 

 to near half the length, about twice the length of the third. Costal 

 vein ending at a little in front of the tip of the wing ; subcostal vein 

 ending at very much beyond one-third of the length ; mediastinal vein 

 ending at very much beyond half of the length ; radial vein ending at 

 five-sixths of the length ; cubital vein ending near the tip of the costal ; 

 pra3brachial vein forming an obtuse angle at the flexure, very slightly 

 curved inward from thence to the tip ; discal transverse vein much 

 curved inward behind the middle, parted by less than its length from 

 the flexure of the prasbrachial and from the border. 



Rare. In Mr. Desvignes's collection. (E.) 



122. laticella, Mcq. A. S. E. F. vii. 373. 20 (1849). Atra, cano- 

 tomentosa, capite albo, antennarum articulo sexto ad trientem incrassato, 

 thorace nigro-trivittato, alis cinereis, alulis subcinereis, abdomine obco- 

 nico tessellato. Long. 3 ; alar. 7 lin. 



Erontalia deep black ; bristles of the front descending to near half 

 the length of the face ; face oblique ; epistoma not prominent. An- 

 tennae almost reaching the epistoma ; third joint straight above, slightly 

 convex beneath, almost truncated at the tip, very much longer than the 



