20 MR. P. CAMERON ON THE [May 7? 



iin oblique slope. Clypeus smooth and shining; the base of the 

 mandibles is broadly yellow ; they are fringed with long pale hair. 

 Thorax black ; the edge of the pronotiim broadly, two large marks 

 in the centre of the scutellum, and a mark in the centre of the post- 

 scutellum — transverse in front, rounded behind — yelloA\'. Meso- 

 notum minutely and not very closely punctured all over ; this is 

 also the case with the scutellum, except behind, where it is smooth 

 and impunctate. Median segment closely, strongly, and uniformly 

 punctured and thickly covered with long white hair and with a 

 silvery down. Pleurae thickly covered with long pale hair; the 

 hinder part of the meso- and the metapleurae are thickly covered 

 with silvery pubescence. Legs black ; the front coxfe below, the 

 four front femora broadly towards the apex, the four front tibiae 

 except at the apex in front, and the hinder femora below, yellow ; 

 the legs are thickly covered with long white hair ; the calcaria 

 black ; the tarsal spines pale. Wings fuscous, darker in the 

 middle, where they have a violaceous tinge. Abdomen black, thickly 

 covered with white hair ; the basal three segments are banded with 

 yellow at the apex ; the band on the basal segment is broader than 

 the others. 



PoMPILIDiE. 

 [PSEUDAGENIA MALAYANA, sp. n. 



Nigra, femoribus posticis rujis ; alls hyalinis. $ . 



Long. 7 mm. 



Hah. Singapore (Mr. George Lewis). 



Kesembles P. arethnsa Cam.\ but is a smaller species, has only 

 the binder femora red ; the wings are clearer ; the apex of the 

 clypeus rounded, not transverse ; the 2nd transverse cubital nervure 

 is roundly and distinctly curved ; the transverse anal nervure in the 

 hind wings is not interstitial, but received distinctly in front of 

 the transverse cubital. It also resembles P. tincia Smith ; but that 

 is a larger and stouter species, has the head more hairy, the hair 

 being longer and thicker, and the hinder tarsi are shorter compared 



^ [Pscuclagenia arethusa Cam., above alluded to, is an undescribed species from 

 Khasia represented in Mr. Rothney's collection. 



Nigra, femorihus tibiisque anterioribus late nojis ; abdominis apice supra albo ; 

 alls hyalinis. (^ . 



Long. 8 mm. 



Comes into Bingham's Section "C " (Fauna of India, Hymenopt. i. p. 108): 

 "Wings clear hyaline"; and b, b'. Scape of antennse densely clothed with 

 short white hair ; the flagellum with a close, black, microscopic down. Vertex 

 closely punctured and sparsely covered with longish fuscous hair ; the front 

 more strongly punctured than the vertex and obscurely transversely striated ; 

 it projects immediately over the antennas ; the projection is keeled down the 

 middle ; the keel becomes wider towards the apex. The cheeks, the part below 

 the antennse, and the clypeus thickly covered with silvery pubescence ; the 

 clypeus strongly and closely punctured ; roundly dilated, the sides at the apex 

 oblique ; the ajsex transverse ; the silvery hair is mixed with some longer golden 

 hair ; on either side near the middle is an obscure yellowish-white spot ; palpi 

 pale testaceous ; the mandibles reddish before the middle, Pronotuui rounded 



