rilOM THE INDIAN AllClIIPELAQO. 187 



266. Centrotus piceus. Mas. Piceus, capite, thorace antico ab- 

 domineque nigricautibus, thorace cornibus duobus lateralibus longis 

 subascendentibus cornu postico recto cinereo-fasciato abdominis 

 apicem paullo superante, tibiis tarsisque rufis, alis anticis fasciis 

 duabus apiceque cinereo-hyalinis, alis posticis cinereis. 



Male. Piceous, tliick, punctured. Head, fore part of the thorax, and 

 abdomen blackish. Thorax keeled, ai*med on each side with a broad 

 diverging slightly ascending horn, which is a Uttle shorter than the 

 intermediate breadth ; its hind part prolonged into a straight horn, 

 which has a cinereous band before its middle, and extends a little 

 beyond the tip of the abdomen. Tibite and tarsi red. Fore wings 

 with two incomplete cinereous hyaline bands, of which the first is 

 opposite the band on the thorax ; tips and hind wings cinereous, 

 hyaline. Length of the body 2 lines, of the wings 4 hues. 



Hab. Batchian. 



267. Centrotus congestus. Mas. Niger, thorace cornibus duobus 

 lateralibus obliquis subascendentibus cornu postico recto abdominis 

 apicem non attingente, pedibus testaceis, femoribus piceis apicc 

 testaceis, alis cinereis pallido venosis, alis anticis basi nigro punctatis. 



Male. Black, thick, with slightly gilded pubescence. Thorax minutely 

 punctured, armed on each side with a stout slightly ascending ob- 

 hquely diverging horn, which is much shorter than the intervening 

 space ; hind horn straight, not extending to the tip of the abdomen. 

 Legs testaceous, short, stout, pilose ; coxaj black ; femora piceous, with 

 testaceous tips. Wings cinereous ; veins pale testaceous. Fore wings 

 black and punctured at the base. Length of the body 2 lines, of 

 the wings 4 lines. 



Hab. Sula. 



268. Centrotus gibbosulus. Fccm. Pallide luteus, capite pectore- 

 que piceis, thorace antice piceo cornibus duobus lateralibus latissimis 

 vix ascendentibus piceo unistrigatis cornu postico recto pallide flavo 

 apicem versus gracillimo abdominis apicem fere attingente piceo-bi- 

 fasciato, abdomine pedibusque rufescentibus, alis cinereis, alis anticis 

 basi piceis fasciis duabus fulvis. 



Female. Pale luteous. Head and pectus piceous. Thorax very thick, 

 distinctly keeled, minutely punctured, piceous along the fore border, 

 with two very broad diverging hardly ascending horns, which are as 

 long as the intermediate breadth, and are rounded along the fore bor- 

 der, where there is a piceous streak ; hind part forming a pale yellow 

 horn, which becomes much more slender at half its length, and extends 

 almost to the tip of the abdomen, and has a piceous middle band and 

 a piceous tip. Abdomen and legs deep reddish. Wings cinereous ; 

 veins pale. Fore wings with two irregular tawny bands, piceous at 

 the base. Length of the body 1| line, of the wings 4 lines. 



269. Centrotus ferrugineus. Fccni. Ferrugineus, thorace cor- 



