427 



13a. Vertex extending but little beyond the eyes 



13. Lcvit, gen. nov. 



14. Lateral margins of head noticeably sensorized 



14. Pyrrhoneura, gen. nov. 



T4a. Lateral margins of head indistinctly sensorized 



15. Rhotana, Walker. 



Nisia INIelichar. 



Nisia Melichar, 1903 Horn. Ceylon 53. 



This cenus seems to be but slightly differentiated from Ker- 

 vicsia Melichar. The last segment of the rostrum in both is 

 riOt very short. 



r. atrovcnosns (Lethierry.) 



Mcciwphis atroveiiosiis Lethierrv Ann. Mus. Genova. XX\''L 

 466. 



Ah'sia atrovenosa Melichar 1903 Hom. Ceylon 53. 



Hab: Queensland, Cairns (viii), Lucinda Point (vii); Viti 

 Isles (iii) ; on grasses and sedges; also from Ceylon (my collec- 

 tion). Nias, Gunun, Sitol (Lethierry). 



2. graiidiceps, sp. nov. 



Allied to the last ,but larger ; the lateral margins of the head 

 more highly raised. Head and nota sordid brownish testaceous, 

 with a paler median line from apical margin of clypeus to pos- 

 terior margin of scutellum. 



Length : 2^-3 mill to apex of abdomen : 4^-5 mill to apex of 

 tegmina. 



Hab: Queensland, Kuranda and Cairns (viii) on grasses 

 and sedges. 



Pliacoiiciira, gen. nov. 



Differs from Nisia by the head being strongly carinate longi- 

 tudinally in the middle, and by the lateral margins being less 

 elevated above the disk. 



T. froggatti, sp. nov. (PI. XXIX, figs. 5-6). 



Piceous, tegmina paler, hyaline. Lateral margins and keels 

 of head, pronotum and scutellum, clypeus, rostrum and legs, 



