192 MU. 1'. yVAhKEll ON INDIAN-ABCUIPKLAOO liOMOrTJiHA. 



straight horn, which is much shorter than the abdomen. Legs tawn}', 

 A'ery pubescent ; coxae and femora black. Fore wings piceous, with 

 a broad whitish hyahne band near the base ; veins tawny. Ilind wings 

 cinereous, liyaUne ; veins black. Length of the body 2i lines, of the 

 wings 5 lines. 

 Huh. Celebes; Waigiou. 



283. Centrotus constipatus. Mas. Fulvus, thorace vittis duabus 

 nitidioribus lateribus subgibbosis cornu postico recto abdominis api- 

 cem attingente, alis pellucidis nigro venosis, alis anticis basi fasciisque 

 duabus fuscis. 



Male. Tawny, thick. Thorax minutely punctured, keeled, slightly gib- 

 bous on each side, with a brighter tawny stripe on each side of the 

 keel ; hind part forming a horizontal horn, which is very slender 

 towards its tip, and extends to the tip of the abdomen. Legs short, 

 stout. Wings pellucid ; veins black. Fore wings brown towards the 

 base, and with two brown bands. Length of the body 1 j line, of the 

 wings 2i lines. 



Hub. My sol. 



284. Centrotus impressus. Foim, Niger, nitens, fere glaber, tho- 

 race non carinato cornibus duobus lateralibus parvis acutis cornu 

 postico basi utrinque tumido apicem versus gracillimo abdominis 

 apicera superante, tibiis tarsisque piceis, alis anticis fuscis semihya- 

 linis basi albidis vitta costali nigra abbreviata. 



Female. Black, shining, nearly smooth. Thorax not keeled, armed on 

 each side with a diverging, slender, acute horn, which is hardly longer 

 than half the intermediate breadth ; hind horn keeled, rounded, and 

 tumid on each side near the base, very slender thence to the tij), 

 which extends somewhat beyond the tip of the abdomen. Tibiae and 

 tarsi piceous. Fore wings brown, semihyaline, whitish towards the 

 base ; costa black from the base to two-thirds of the length. Length 

 of the body 4 lines, of the wings 8 lines. 



Hub. New Guinea. 



Genus Nabnia. 



Mas. Corpus robustum. Caput carinatum, thorace angustius ; 

 vertex transversus ; frons convexa. Scuti latera subdilatata. 

 Scutellum productum, abdominis apicem longe superans, di- 

 midio apicali gracillimo subarcuato. Pedes robusti, breves. 

 AlcB venis paucis. 



Male. Body stout. Head keeled, narrow^er than the thorax ; 

 vertex full twice as broad as long ; front convex. Scutum 

 slightly dilated on each aide; scutellum prolonged much beyond 

 the tip of the abdomen, thick for nearly half its length, very 



