66 MUSCID^. 



at much before half the length ; radial vein ending at a little beyond 

 five-sixths of the length ; frabrachial vein forming a slif/Jd curve at its 

 flexure, from whence it is straight to its tip ; discal transverse vein 

 almost straight, parted from the border by very much more than its 

 length, and by rather less than twice its length from the flexure of the 

 prsebrachial. 

 Eare. (E.) 



107. longipes? Meig. Zw. iv. 341. 176 (1824). Nigra, cano- 

 tomentosa, capite albo, antennis basi fulvis, thorace nigro-quadrivittato, 

 alls sublimpidis, alulis albidis, abdomine longo subfusiformi cincreo- 

 tomentoso, pedibus fulvis sat longis, tarsis nigris. Long. 3^ ; alar. 6 

 lin. 



Frontalia deep black, hardly widening in front ; bristles of the front 

 descending to one-fourth of the face ; face vertical ; facialia bristly for 

 one-eighth of the length ; epistoma slightly prominent ; palpi long, tawny, 

 subclavate. Antennae nearly reaching the epistoma ; second joint 

 nearly twice longer than deep ; third linear, rounded at the tip, nearly 

 twice longer than the second ; fourth very short ; fifth short ; sixth 

 minutely pubescent, stout at the base, nearly twice the length of the 

 third. Costal vein ending at hardly in front of the tip of the wing ; 

 subcostal vein ending at a little beyond one-third of the length ; medi- 

 astinal vein ending at half of the length ; radial vein ending at four- 

 fifths of the length ; cubital vein ending near the tip of the costal ; 

 prfebrachial vein fonning a very obtuse angle at the flexure, hardly 

 curved inward near the tip ; discal transverse vein nearly straight, 

 parted by a little less than its length from the flexure of the pra^bra- 

 chial, and by much less from the border. Legs tawny, rather long ; 

 tarsi black. 



Eare. In the late Mr. Stephens's collection. (E.) 



108. exscensa, n. Nigra, capite ferrugineo albo-tomentoso, pal- 

 pis fulvis, antennis fuscis basi fulvis, artimdo sexto ad apicem incrassafo, 

 thorace cano-toinentoso, alis subcinereis basi subluridis, alulis all)is, 

 abdomine elliptico, segmentorura marginibus anticis albo interrupte 

 fasciatis. Long. 3 ; alar. 4 lin. 



Bristles of the front descending to one-sixth of the face ; epistoma 

 not prominent. Antennae tawny, not reaching the epistoma ; third 

 joint broad, brown, tawny beneath towards the base, straight above, 

 convex beneath, obliquely rounded at the tip, about thrice the length 

 of the second ; fifth long ; sixth stout to the tip, very minutely pubes- 

 cent, not twice the length of the third. Costal vein ending at the tip 

 of the wing; subcostal vein ending at a little beyond one-third of the 

 length ; mediastinal vein ending at a little before half of the length ; 

 radial vein ending at a little beyond five-sixths of the length ; cubital 

 vein joining the costal close to its tip ; pra)brachial vein forming a 

 curve at its flexure, nearly straight from thence to its tip ; discal trans- 



