416 Longicornia Malayana. 



second and tliird abdominal segments, and the whole of the two 

 last segments, black ; four anterior legs luteous, the posterior 

 and the antennae black. 

 Length 8 lines. 



Scytasis oxyura. 

 S. lutea, griseo-tomentosa ; prothorace quadrato, punctato ; 



elytris modice punctatis, punctis brunneo-areolatis. 

 Hab. — Sarawak. 



Luteous, opake, with a short thin greyish tomentum above ; 

 head finely punctured, the punctures on the prothorax scarcely 

 apparent; scutellum narrow, rounded behind; elytra punctured 

 as in the two preceding, but the punctures much less obvious, and 

 those towards the base surrounded with a brownish areole, the two 

 carinse well marked ; body beneath luteous, the abdomen shining, 

 the metasternum and the second and third abdominal segments 

 with a black spot on each side ; four anterior legs luteous, the 

 posterior dark brown ; antennae a little longer than the elytra, 

 dark brown. 

 Length 7 lines. 



Dystus. 

 Caput antice subquadratum, convexum. Ocul'i modice eniar- 

 ginati, distantes. Antennce corpore vix longiores ; scapo 

 articulis tertio et sequentibus simul suraptis subaequali. 

 Prothorax transversus, basi subito constrictus et sulcatus, ad 

 latera irregularis. Elytra elongata, trigonata, disco carinata 

 et lateraliter carinato-deflexa, apicibus bispinosis. Pedes, 

 abdomen et sterna ut in Nupserha. 

 The form of the prothorax separates this genus hom Nupserha, 

 with which it is otherwise nearly allied. 



Dystus notator. (PI. XV L fig. 6.) 

 D. rufo-testaceus ; prothorace tenuiter punctato, postice con- 

 stricto, lateraliter tuberculato ; elytris basi excepta nigris, in 

 medio macula communi elongata grisea. 

 Hab, — Sumatra, Singapore. 



Reddish-testaceous ; head and prothorax finely punctured, the 

 latter strongly constricted behind, causing on each side a very 

 prominent fold ; scutellum sublriangular, rounded behind ; elytra 

 with the discal carina very prominent, the testaceous gradually 

 passing into black a little behind the base, and marked in the 

 middle with a large oblong silvery-grey spot united at the suture; 



