190 MB. P. WALKEll ON IIOMOPTEIIA 



pubescence. Fore wings brown, black at the base ; veins pale testa- 

 ceous, and bordered with the same colour. Hind wings cinereous, 

 hyaline; veins black. Length of the body 2 lines, of the wings 4 

 lines. 

 Hab. Tondano. 



276. Centuotus retractus. Mas. Niger, thoracis cornu postico 

 piceo recto gracili abdominis apicem attingente, pedibus fulvis coxis 

 femoribusque nigris, his apice fulvis, alis cinereis, alis anticis basi 

 nigris venis piceis. 



Male, Black, thick, with slightly gilded pubescence. Head and thorax 

 minutely punctured ; thorax with a piceous, straight, horizontal hind 

 horn, which is very slender towards its tip, and extends to the tip 

 of the abdomen. Legs tawny, short, very stout ; coxae and femora 

 black, the latter tawny towards the tips. Wings cinereous. Fore 

 wings black and punctured towards the base ; veins piceous. Hind 

 wings with black veins. Length of the body 2h lines, of the wings 

 5 lines. 



Hab. Morty. 



277- Centrotus conterminus. Foem. Niger, thoracis cornu pos- 

 tico gracili subarcuato abdominis apicem attingente, pectore plagis 

 duabus canis, alis cinereis hyalinis, alis anticis lurido suffusis basi 

 fuscis venis fulvis. 



Female. Black, thick, with slightly gilded pubescence. Head and 

 thorax thickly punctured. Thorax slightly keeled ; hind horn slen- 

 der, keeled, slightly curved downwards, extending to the tip of the 

 abdomen. Pectus with a patch of hoary pubescence on each side. 

 Wings cinereous, hyaline. Fore wings with a lurid tinge, brown and 

 punctured at the base; veins tawny. Hind wings with black veins. 

 Length of the body 2^' lines, of the wings 5^ lines. 



Hab. Aru. 



278. Centrotus reductus. Fmm. Niger, thorace cornibus late- 

 ralibus nuUis cornu postico subarcuato abdominis apicem attingente, 

 alis anticis lurido-hyalinis basi nigris et punctatis venis pallida luteis, 

 alis posticis cinereis. 



Female. Black, broad, thick, minutely punctured. Thorax slightly 

 keeled, armed with a slightly curved horn, which extends to the tip 

 of the abdomen. Fore wings lurid, nearly hyaline, black and punc- 

 tured at the base ; veins pale luteous. Hind wings cinereous. Length 

 of the body 2 lines, of the wings 4 lines. 



Hab. New Guinea. 



270. Centrotus curtulus. Mas. Niger, crassus, punctatus, ca])ite 

 thoracequc carinatis, fronte facieque minimis, thorace inermi, tarsis 



