174 CHIRON OMIDjE. 



whitish. Legs blackish-brown; tibia; testaceous, blackish-brown towards 

 the base ; fore femora testaceous at the base. 

 Rare. In Mr. Saunders' collection. (E.) 



93. patibilis, n. Mas et Fcem. niger, robustus, alls limpidis, venis 

 halteribusque albidis, pedibus nigro-fuscis. Long. 2 ; alar. 3 lin. 



Black, stout. Wings limpid ; veins and halteres whitish. Legs black- 

 ish-brown, moderately long and slender. Male. Antenna; with black 

 plumes. 



Not common. (E.) 



94. nemoralis? Zett. Dipt. Scand. ix. 3498. 15 (1850). Fcem. 

 var.? canus, thorace vittis tribus nigris, alis sublimpidis, venis albidis 

 apud costam testaceis, venula transversa nigra, halteribus albidis, abdo- 

 mine nigro-cinereo, segmentorum marginibus posticis cnnis, pedibus tes- 

 taceis, femoribus tibiisque apice fuscis, tarsis fuscis basi testaceis. Long. 

 4 ; alar. 6 lin. 



Fern. Var. ? Black. Thorax hoary, with three black stripes. Wings 

 nearly limpid ; costal, radial, and cubital veins testaceous, the rest 

 whitish ; discal transverse veinlet black. Halteres whitish. Abdomen 

 greyish-black ; hind borders of the segments hoary. Legs testaceous, 

 long, slender ; tips of the femora and of the tibiae brown ; tarsi brown, 

 -testaceous at the base. 



Eare. (E.) 



95. obvius, n. Mas, niger, valde robustus, thorace ferrugineo vittis 

 tribus latissimis nigris, alis limpidis, venis halteribusque albidis, illis apud 

 costam testaceis, pedibus fuscis validis. Long. 2-^ ; alar. 4 lin. 



Male. Black, very stout. Antennae with black plumes. Thorax fer- 

 ruginous, with three very broad black dorsal stripes. Wings limpid ; 

 costal, radial, and cubital veins testaceous, the rest whitish. Halteres 

 whitish. Legs brown, stout, of moderate length. 



Eare. (E.) 



96. littorellus? Meig. Zw. i. 26. 12 (1830); Stag.; Zett. Mas 

 et Fcem. niger, thorace testaceo vittis tribus nigris, alis limpidis, venis 

 halteribusque albidis, his apud costam testaceis, segmentorum abdomina- 

 lium marginibus posticis testaceis, pedibus testaceis, feraoribus tibiisque 

 apice fuscis, tarsis fuscis basi testaceis, tibiis anticis basi fuscis. Long. 

 3 ; alar. 6 lin. 



Male and Fern. Black. Thorax testaceous, with three black stripes. 

 Wings limpid ; costal, radial, and cubital veins testaceous, the rest 

 whitish. Halteres whitish. Hind borders of the abdominal segment* 

 testaceous. Legs testaceous, long, slender; tips of the femora and of 

 the tibiae brown; tarsi brown, testaceous towards the base; fore tibiic 

 brown at the base. Male. Antennae with brown plumes. 



Not rare. (E.) 



97. impar, n. Mas et Fcem. niger, nitens, thorace fcr rug in fo rilli* 



