l\v. W. L. Distant's Rhijncliutid Notes. .TIO 



Einphnsis ayuatiis, sj). n. 



Head, proiiotiim, body beiicatli, and legs dark ])urplisli 

 brown ; tegmina pale sliining ocliraceous, extreme ba-e and 

 costal area dark j)iirplisli brown, apical area more or less 

 tinged with eastaneous ; jironotuin very coarsely punctate, 

 finely, centrally, longitudinally carinate, posterior process 

 tricaiinate, only sli;ilitly elevated above seutelluni, and tlieu 

 continuously iin|)inging ou inner margin of tcgnnna to a 

 little before tegminal apex, disk of pronotuin crescentcd in 

 form, tlie lateral processes broad and prominently directed 

 baekwardly, in a line with the lateral pronotal margins. 



Long. 10 mm.; exp. lat pronot. process. 6 mm. 



Huh. Siam ; Chautaboun {M. H. Mouhot). 



Dacaratha, gen. nov. 



Allied to Emphasis, Buekt., but pronotum less regularly 

 crescentcd in form, its frontal area shorter and strongly 

 centrally carinate, the posterior process undulate and dis- 

 tinctly elevated above scutellum, the apical area upwardiv 

 directed beyond the posterior angle of the tegminal inner 

 margin, the anterior lateral [)rocesses much more angulately 

 and less crescently produced. 



Type, D. nyasana^ Dist. 



Emphus'is appears to be confined to the Oriental and 

 ^Malayan regions ; Dacaratha at present is only known from 

 Central Africa. 



Dacaratha nyasana, sp. n. 



Head, pronotum, and scutellum black ; body beneath and 

 femora black, tibije and tarsi dark eastaneous ; anterior and 

 lateral areas of sternum greyishly pubescent ; tegmina sub- 

 hyaline, wrinkled, base black, outwardly obscurely margined 

 with dull ochraceous, apical area more or less bright testa- 

 ceous ; pronotum thickly, finely punctate, centrally longitu- 

 dinally carinate, the posterior process tricarinatc, convexlv 

 raised above scutellum and then impinging on the posterior 

 angle of the inner tegminal margin, and beyond this it 

 straightly continues for a short distance, the lateral pronotal 

 processes short, moderately obliquely angularly directed 

 baekwardly. 



Long., incl. tegm., 8 mm. ; exp. lat. pronot. process. •!• mm. 



Hub. Near Lake Nyasa (//. B. Cotterill). 



