18^ 



less so on apical costal area; poslerior tibiœ with two promitient 

 spines before apex aiid a smallerspine nearer base. 



Long. incl. tegm. cf 12 mill ; exp. pronot, angl. inill. 



Hab. : Timor (Doherty, coll. Dist.). 



Allied to S. assamcnsis Dist., but dilTering by tbe much more 

 acute pronotal angles, and the différent number and arrangement of 

 spines to Ibe posterior tibice. 



7. — DUSUNA gen. nov. 



Head broad, flat, rounded in front, about half as long as breadtb 

 between eyes; ocelli placed on posterior disk of vertex, nearer 

 to each other than to eyes; pronotum with the latéral angles 

 roundly dilated, the posterior margin concavely excavate before 

 scutellum, anterior margin nearly straight, a little sinuate; face 

 generally as in Tituria; tegmina short, the claval area l)road and 

 very strongly tuberculate, apical margins roundly Iruncale, anterior 

 margins sinuate, veins marginally punctate, on posterior half the 

 disk is divided into foveate cellular areas; legs moderately long and 

 slender, posterior tibiaî spine;! on outer margin the most distinct 

 spines being three on apical half. 



Type, D. Mouhoti Dist. 



Dusuna Mouhoti sp. n. — Vertex of head ochraceous, the 

 basai half more or less castaneous; pronotum castaneous, the disk 

 paler and more ochraceous; body beneath piceoiis, frontal area of 

 head beneath, legs, and ablominal segmentai margins ochraceous; 

 central area to face, latéral produced margins of sternum, and anal 

 segment castaneous; tegmina castaneous, a greyish white spot 

 beyond middle of costal area, a larger subapical spot of the same 

 colour, and some smaller and more indistinct spols on apical disk; 

 head about half as long as breadtb between eyes, sparingly punctate 

 and obsoletely longitudinally carinate; pronotum irregularly finely 

 transversely striate, margins of the laterally produced areas 

 coarsely punctate; tegmina with the claval area thickly coarsely 

 punctate, with strongly ridged tuberculous élévations and with a 

 smaller rounded tuberclc on its apical area, costal area finely 

 punctate, apical area almost impunctate. 



Long. incl. tegm. 7 mill. ; exp. pronot. angl. 5 mill. 



Hab. : Siam; Cbantibon (Mouhot. Brit. Mus.). 



8. — Dusuna Dohertyi sp. n.— Head, pronotum, and scutellum 

 ochraceous; body beneath and legs pale testaceous; tegmina pale 



