222 Mr. F. Walker on some undescribed Ceylon Insects. 



with stout spines. Wings pale brownish, rather short; hind 

 wings a little longer than the fore wings. Length of the body 

 12 lines. 



Steirodon lanceolatum. Fcem. Testaceo-viride aut pallide 

 viride, longa, gracilis, capite conico, antennis longis, thorace 

 rectangulato, abdomine brevi, oviductu falcato, alis longis angustis, 

 anticis albido-hyalinis apice viridescentibus. 



Female. Testaceous green or pale green, long, slender. Head 

 conical, with a reddish band on the vertex. Antennae long and 

 slender. Thorax rectangular, much longer than broad. Abdomen 

 short. Oviduct short, broad, falcate, much compressed. Legs 

 long and slender. Wings long and narrow. Hind wings whitish 

 hyaline, greenish at the tips, longer than the fore wings. Length 

 of the body 8 Hues, of the wings 24 lines. 



Truxalis exaltata. Viridescenti-testacea, capite cornu longum 

 lanceolatum elevatum subobliquum fingente, oculis valde elongatis, 

 thorace tricarinato, pectore ventrisque dimidio basali nigricantibus, 

 alis longis angustis, anticis viridibus, posticis hyalinis. 



Greenish-testaceous. Head produced into a long, ascending, 

 slightly oblique horn. Eyes much elongated, near the tip of the 

 horn. Thorax with three ridges. Pectus blackish. Abdomen 

 long, black beneath for half the length from the base. Hind legs 

 very long. Wings long and narrow. Fore wings green. Hind 

 wings hyaline. Length of the body 20 hues. 



Truxalis porrecta. Ferruginea, nigricante varia, capite porrecto 

 lanceolato vix ascendente antice sulcato, antennis compressis, alis 

 abdomen sat superantibus, posticis cinereis. 



Ferruginous, with various blackish marks. Head porrect, lan- 

 ceolate, hardly ascending, rounded and slightly bilobed in front. 

 Antennae flattened, hardly longer than the head. Thorax longer 

 than the head. Abdomen obtuse and vertically expanding at the 

 tip. Wings extending some distance beyond the abdomen. Hind 

 wings grey. Length of the body 10 lines. 



AcRYDiuM EXTENSUM. Tcstaccum, fulvo varium, capitis fronte 

 vittaque nigricantibus, antennis luteis apice fuscis, thorace punctato 

 unicarinato vittis tribus nigris, alis cinereis, anticis subluridis nigri- 

 cante notatis. 



Testaceous, partly tawny, more greenish when living. Head 

 blackish in front, and with a blackish stripe, which contains a 

 slight testaceous keel, and has a row of black points along each 

 side. Antennae luteous, brown towards the tips. Thorax roughly 

 punctured, with a slight blackish keel, and with a black stripe on 

 each side. Wings grey. Fore wings with a lurid tinge, with 

 slight blackish marks ; veins tawny. Length of the body 20 lines. 



AcRYDiuM DEPONENS. Tcstaccum, capite vittis duabus nigricanti- 

 bus, antennis luteis apice fuscescentibus, thorace fuscescente tri- 



