184 MR. F. WALKEl^ ON IIOMOPTERA, 



mediate breadth ; two testaceous streaks on each side ; hind part 

 prolonged into a lanceolate slightly downward-curved horn, which 

 extends somewhat beyond the tip of the abdomen. Pectus and ab- 

 domen beneath with testaceous tomentum. Length of the body 5^ 

 lines, of the wings 1 1 lines. 



Hab. Aru. 



Like G. gazella in structure. 



258. Centrotus strigatus. Faswi. Niger, thorace cornibus duobus 

 lateralibus subarcuatis longis acutis cornu postico subundulato ab- 

 dominis apicem longe superante, pedibus piceis, tibiis tarsisque posticis 

 testaceis, alis anticis lurido-hyalinis vitta costali lata arcuata, macula 

 costali strigaque postica nigris, alis posticis cinereo-hyalinis. 



Female. Black, very thick. Thorax minutely punctured, with one keel 

 and with two stout slightly curved diverging horns, each of which is 

 much longer than the space between them ; the hind part prolonged 

 into a slightly undulating horn, which extends much beyond the tip 

 of the abdomen. Legs piceous, pubescent ; hind tibiae and hind tarsi 

 testaceous. Fore wings lurid, nearly hyaline, with a broad black costal 

 stripe which occupies all the base, and is curved to the hind border 

 at two-thirds of the length ] a black costal spot near the tip, and a 

 black streak along the apical part of the hind border. Hind wings 

 cinereous, hyaline. Length of the body 4 lines, of the wings 9 lines. 



Hab. New Guinea. 



25f). Centrotus A LBiGUTTA. Fce.m. Niger, scaber, thorace cornibus 

 duobus lateralibus longis oblique ascendentibus maculis duabus 

 lateralibus albis cornu postico recto abdominis apicem longe superante, 

 pedibus fulvis, femoribus posticis apice tibiisque posticis pallide flavis, 

 alis anticis flavis fere hyalinis vitta costali nigra coriacea lata abbreviata, 

 venis flavis, alis posticis diaphanis. 



Female. Black, scabrous. Head and thorax in front and pectus with 

 cinereous pubescence. Thorax keeled, armed on each side with a 

 slightly diverging obliquely ascending horn, which is much longer 

 than the intermediate space ; a white spot on each side at the base of 

 the hind horn, which extends much beyond the tip of the abdomen. 

 Legs tawny j coxae black ; hind femora towards the tips, and hind 

 tibiae, except at the tips, pale yellow. Fore wings yellow, nearly 

 hyaline, with a broad black coriaceous costal stripe which occupies 

 the whole base and extends to two-thirds of the length; veins yellow. 

 Hind wings hyaline. Length of the body 3^ lines, of the wings 8 

 lines. 



Hab. New Guinea. 



260. Centrotus albilatus. Fam. Niger, thorace cornibus duobus 

 lateralibus scabris longis latissimis subascendentibus maculis duabus 



