86 Mr. P. Cameron on new 



furrowed. Base of mandibles thickly covered with silvery 

 pubescence, the apex pieeous. Thorax densely pruinose, 

 smooth and shining. Legs pruinose, the coxfc white through 

 the white pile, the spines and calcaria black. Wings dark 

 brownish fuscous, with a distinct violaceous iridescencCj the 

 base more hyaline, the hinder pair with the hyaline part 

 broader; the first cubital cellule above is shortly but dis- 

 tinctly longer than the second ; the first transverse cubital 

 nervure has a distinct rounded curve, the second is straight 

 and oblique, the third has a less distinctly rounded curve 

 than the first ; the first recurrent nervure is received at the 

 base of the apical third, the second very shortly beyond the 

 middle; the transverse basal nervure is interstitial. Abdo- 

 men pruinose, the middle ventral segments sparsely pilose. 



This species agrees closely with P. Cfvvpbelli; it is larger, 

 has the wings of a much daiker and uniform violaceous tint ; 

 the third transverse cubital nervure is not so roundly curved, 

 the transverse basal nervure is interstitial, and the ventral 

 segments are not covered with longish hair. 



Tipliia khasiana, sp. n. 



Nigra, femoribus posterioribus rufis ; medio metanoti tricariuato; 



alis fusco-hyalinis, nervis fuscis, stigmate nigro. $ . 

 Long. 11 mm. 



Antenna3 stout, the scape fringed with long silvery hair; 

 the flagellum covered with a pale microscopic pile ; the basal 

 four joints of the flagellum are produced at the apex. Head 

 shining, sparsely covered Avitli long white hair ; the front 

 and vertex spai'sely punctured except for a broad band below 

 the ocelli; the face and base of the clypeus are closely punc- 

 tured ; the rest of the clypeus is smooth and shining, its apex 

 with a slight, broad, rounded incision. Mandibles broadly 

 rufous in the middle and fringed with long pale fulvous hair; 

 the palpi are dark testaceous. Thorax shining, the basal 

 slope of the pronotuni impunctate below, above closely punc- 

 tured ; the apex Avith two rows of punctures, the basal being 

 the finer; the extreme apex is impimctate. Mesonotum 

 with large punctures; the postscutellum is closely and finely 

 punctured except at the base. Median segment aciculated, 

 most strongly on the basal part ; there are three central 

 keels, the inner one does not quite reach to the apex. Pro- 

 pleurae aciculated ; the base is smooth above ; there is an 

 oblique furrow near the middle ; the part below this is 

 closely striated. The middle of the mesopleurse is closely 



