Mr. F. Walker on undescribed Species of Homoptera. 305 



beneath, as long as the thorax. Prothorax transverse, short, with two 

 keels. Mesothorax small. Legs short, broad ; femora and tibiae with 

 a few spines. Fore wings opake, rather narrow, rounded at the tips, 

 with numerous ramifying veins and with many transverse veinlets; 

 costa very slightly convex ; interior border straight. 

 V -I/O 



Zamila is nearly allied to Prolepta, and has more affinity to P. 



tuberculata than to P. apicalis, which is the typical species of that 

 genus. °P, obscurata and P. tuberculata are sufficiently distinct from 

 the type to form two new genera. 



Zamila eycoides (PI. XV. f. 3). Mas. Fulva, nitens, sublsevis ; caput 

 piceum ; alee antica? nigro punctata?, costa apicibusque nigricantibus ; 

 postica? obscure cinerea?. 



Male. Tawny, shining, nearly smooth, paler beneath. Head piceous, 

 except at the base. Fore wings with many minute black points, 

 blackish along the costa and towards the tips. Hind wings dark 

 cinereous. Length of the body 5 lines ; of the wings 10 lines. 



Siam. 



O Genus Poiocera, Laporte. 



Poioceba fissieuna. Mas. Nigra ; caput thorace angustius, vertice 

 maculis quatuor flavescentibus, fronte transversa tricarinata subpunc- 

 tata ; thorax maculis plurimis flavescentibus ; abdomen subtus ochra- 

 ceum ; alas antica? maculis tribus costalibus guttisque punctisque 

 plurimis discalibus flavescentibus, spatio apicali sordide ochraceo 

 punctis albidis ; postica? nigra?, limula alba venis nigris intersecta. 



Male. Black. Head narrower than the thorax; vertex with four 

 yellowish spots; front about twice as broad as long, minutely punc- 

 tured, with three slight keels ; middle keel emitting a short branch on 

 each side ; lateral keels curved, very oblique. Thorax with numerous 

 yellowish spots. Abdomen ochraceous beneath. Knees tawny. Fore 

 wings with numerous yellowish dots and points, and with three yellow- 

 ish nearly equal costal spots ; apical part dull ochraceous, with several 

 whitish points. Hind wings black, with an exterior discal lunulate 

 white streak, which is intersected by the black veins. Length of the 

 body 7 lines ; of the wings 20 lines. 



Kio Janeiro. 



Genus Hestictjs. 



3Ias. Caput thorace angustius; vertex carinatus, subquadratus, 

 submarginatus ; irons plana, supra carinata subconvexa. Antenna? 

 longa?, lineares. Prothorax transversus, arcuatus, verticem ex parte 

 obtegens. Mesothorax planus, tricarinatus, postice acutangulatus. 

 Abdomen longiconicum. Pedes sat graciles, femoribus tibiisque ap- 

 pressis carinatis, femoribus tibiisque anticis dilatatis. Ala? hyalina? ; 

 antica? lineis duabus e venulis transversis. 



Male. Head narrower than the thorax ; vertex nearly square, with 



z2 



