HOMOPTKRA. 79 



Black. Prothorax pubescent, moderately high, minutely punctured, 

 very slightly keeled ; lateral horns long, acute, diverging, obliquely 

 ascending, slightly inclined backward, much curved, with a ridge near the 

 hind border ; hind horn slender, keeled. Femora black. Fore wings with 

 a slight lurid tinge, tawny and punctured at the base ; costa black towards 

 the tip ; veins testaceous. Hind wings vitreous. Length of the body 

 3 lines ; of the wings 6 lines. 



North Hindostan. 



Centrotus obliquus. 



Ferrugineus, vahle pubescens ; prothorax scabrosus, sat alius, subcarina- 

 tus, cornubvs lateralibus planis sat lonyis poslice subarcuatis ; cortiu 

 posticum carinatum, gracillimum, nigrum, basi ferrugineum et 

 elevatum ; pedes fulvi, femoribus nigris ; alee viirece, venis testaceis ; 

 anticcB basifulvcB et punctatce. 

 Ferruginous, very pubescent. Prothorax rather high, somewhat sca- 

 brous, slightly keeled ; lateral horns horizontal, moderately long, diverging, 

 very slightly curved backward; hind part keeled, very slender, black 

 except towards the base which is much above the abdomen, contiguous 

 to the abdomen and hardly extending beyond it at the tip. Legs tawny ; 

 femora black. Wings vitreous ; veins testaceous. Fore wings tawny and 

 punctured at the base. Length of the body 2 lines ; of the wings 5 

 lines. 



Hindostan. 



Centrotos congestus. 



Niger, brevis, robustus ; prothorax pubescens, supra planus, comubus 

 lateralibus validis longi-conicis oblique ascendentibus ; cornu pos- 

 ticum carinatum, lanceolatum ; abdomen cornu posticum longe 

 superans; pedes fulvi, femoribus nigris ; alee vitrece ; anticce sub- 

 cinerece, lineola costali apicali fusca, venis fulvis. 

 Black, stout, short. Prothorax pubescent, rather high, minutely 

 punctured, flat above ; lateral horns stout, elongate-conical, directly 

 diverging, obliquely ascending; hind part keeled, lanceolate, extending to 

 nearly two-thirds of the length of the abdomen. Legs tawny ; femora 

 black. Wings vitreous. Fore wings with a very slight gray tinge ; 



