126 Mr. P. Cameron on 



b;ise thickly coA'ered with .silvery pubescence. Palpi thickly covered 

 with sih-ery pubescence ; the apical joints testaceous. Pro- and 

 mesonotum strongly and closely punctured and thickly covered with 

 short white pubescence ; the scntellum is closely punctured like the 

 mesonotum ; the post-scutellum has the punctures smaller and closer. 

 Median segment tliickly covered with white pubescence, closely 

 rugosely punctured ; on the apex the punctation is stronger ; its 

 sides are transversely striated ; the central furrow is distinct in the 

 middle. Propleura) closely punctured, the punctures more closely 

 pressed together Ijehind ; in the middle is a wide, shallow, oblique 

 furrow ; the tubercles are thickly fringed behind with grey 

 pubescence ; the perpendicular furrow is creuulated, deeji and moder- 

 ateh^ wide ; tlie longitudinal one is narrower and not so deep. Meta- 

 pleurte punctured, slightly so at the base ; the lower part at the base 

 and middle striated. Pro- and the basal part of the mesosternum 

 keeled down the middle ; the metasternal process closely punc- 

 tured and thickly covered with long white hair ; the apical lobes 

 rounded ; coxa? and femora thickly covered with white hair ; the 

 tibia3 more thickly and shortly with white pubescence, their sjjines 

 pale rufous ; the tarsi thickly pruinose, their spines rufous. AVings 

 fusco-hyaline, the nervures pallid fuscous : the first cubital cellule 

 above is slightly shorter than the second, the first trans\'erse cubital 

 nervure is oblique and bulges out slightly backwards in the middle ; 

 both the recurrent nervures are received shortly behind the middle 

 of the cellule ; the second recurrent nervure has a broadly rounded 

 curve. Abdomen thickly pruinose, especially on the apices of the 

 segments ; the basal ventral segment is rufous. 



Comes near to X. labor iosa imd N. j acid air ix, but is quite 

 distinct from either. 



Tachysphcx striolata, u. s. 



Nigra, tegulis testaceis ; alis clare hyalinis ; nervis fuscis ; segmento 

 mediali striolato $ . 

 Loiig. 8 mm. 



Hah. Barrackpore (Bothnct/). 



Head opaque, closely and distinctly punctured ; the face and sides 

 of the clypeus thickly co\ered with silvery pubescence ; the front 

 and vertex sparsely haired. The deformed hinder ocelli are oblique, 

 shining, the anterior is broader than long ; the ocellar region is raised 

 and has a shallow furrow down the luiddle between the ocelli ; 

 behind them is a deep semi-circular furraw, behind which the vertex 



