120 MI|. F. WALKEll ON H0M01?TEIIA 



latcralibus nigris, vertice lanceolate, fronte bicarinata nigro guttata 

 aut rainoso bivittata, facie unicarinata a])ice picea, antennis piceo 

 bifasciatis, prothprace tricarinato, mesothorace quinquecarinato, 

 abdomine ochraceo, pedibuslongiusculis piceo fasciatis, alis subcinereo 

 byalinis ; alis anticis aiigustis, lituris, punctis marginalibus strigaque 

 fuscis ; alis posticis apice fuscis. 



Female. Testaceous. Head obliquely ascending, with prominent borders 

 and with some small black marks on each side ; vertex lanceolate, 

 with some small black marks ; front widening towards the face, where 

 it is more than four times as long as broad, with a black ramose 

 stripe, or with black dots along each side, and with two approximate 

 keels ; face long, piceous towards the tip, with one keel. Antennae 

 much longer than the thorax ; first and second joints filiform ; second 

 much longer than the first, with two piceous bands ; third setiform, 

 shorter than the second. Prothorax much arched, with three keels. 

 Mesothorax with five keels. Abdomen dull ochraceous ; ovipositor 

 black. Legs slender, rather long j femora with piceous tips ; anterior 

 tibiaj with piceous bands. Wings vitreous, slightly cinereous. Fore 

 wings narrow, with brown points along the exterior ])art of the costa, 

 and thence along the whole of the interior border 5 a few small browu 

 marks before the middle, and a brown streak, which extends from the 

 line of transverse veins to the tip ; marginal veins forked. Ilind 

 wings tinged with brown about the tips; marginal veins simple. 

 Length of the body 4 lines, of the wings 10 lines. 



Hab. Aru ; Gilolo ; Ceram ; Morty ; Mysol ; New Guinea. 



100. BiDis PRiVATA. Mas. Fulva, alis cinereo-hyalinis, alis anticis 

 punctis marginalibus fuscis, alis posticis apice subfuscescentibus. 



Male. Tawny, in structure like B. liturifrons. Wings cinereous, hyahne. 

 Fore wings with brown points round the tips and along the neigh- 

 bouring part of the costa and of the hind border. Hind wings 

 slightly tinged with brown about the tips. Length of the body 3 

 lines, of the wings 8 lines, 



Hab. Mysol. 



Gen. Delphax, Fair. 



101. Delphax LONGicoRNis. F(Em. Testacea, capite lateribus sub- 

 carinatis, 'Vertice bicarinato, fronte longa nigra subcarinata lituris 

 margineque antico testaceis, facie nigra curinata, antennis longis 

 cylindricis, prothoraee tricarinato, mesothorace quinquecarinato, 

 pectore nigro fasciato, pedibus longis nigricante fasciatis, alis cinereis 

 breviusculis, alis anticis piceo strigatis. 



Female. Testaceous. Head with slightly prominent borders ; vertex 

 longer than broad, with two converging keels, which are united on 

 the fore border j front black, slightly keeled, increasing in breadth 



