HOMOPTERA. 81 



Centrotus truncaticornis. 



Niger, nitens, subpunctatus ; cornua lateralia prismatica, crassa, ferru- 

 ginea, suberecta, subcontorla,apice truncata ; cornu posticum gracile, 

 rectum, abdomen non superans ; abdomen et pedes rufescente-ferru- 

 ginea ; alee sordide vitrecB ; anticce basi ferriiginecB et punctatcs, venis 

 fulvis. 



Black, shining, minutely punctured. Prothorax vertical and very 

 slightly keeled above the head, armed with two ferruginous thick, prismatic, 

 nearly erect, but slightly diverging horns, which are somewhat contorted 

 towards their truncate tips ; hind horn slender, straight, keeled, acute, ex- 

 tending to the lip of the abdomen. Abdomen and legs reddish ferrugi- 

 nous. Wings dingy vitreous. Fore wings ferruginous and punctured at 

 the base; veins tawny. Length of the body 2^ lines; of the wings 5 

 lines. 



Port Phillip. Australia. 



Centrotus binotatus. 



Obscure ferruginous ; caput nigrum ; prothorax robustus, scaber, anlice 

 subconvexus ; cornua lateralia coniea, acuta, plana, brevissima, vix 

 arcuata ; cornu posticum rectum, basi robustum, abdomen non su- 

 perans ; metathorax testaceo binotatus; abdomen riifescente-ferru- 

 gineum ; femora nigra ; ala; anticce subtestaceo-vitrecs, basifulvcset 

 punctatcB, margine exteriore cinereo. 



Dark ferruginous. Head black. Prothorax broad, stout, scabrous, 

 slightly convex and very slightly keeled in front ; lateral horns conical, 

 acute, horizontal, very short, very slightly curved backward ; hind horn 

 straight, keeled, acute, extending almost to the tip of the abdomen, stout 

 towards the base. Metathorax with a testaceous appendage on each side. 

 Abdomen reddish ferruginous. Femora black, with ferruginous tips. 

 Fore wings with a very slight testaceous tinge, cinereous along the exterior 

 border, tawny and punctured at the base ; veins mostly testaceous. 

 Length of the body 3 lines ; of the wings 6 lines. 



New South Wales. 



M 



