FROM THE INDIAN ARCHIPELAGO. 1(51 



long, with hardly curved and slightly elevated sides, and with five 

 keels, of which the two on each side are slight and incomplete. Pro- 

 thorax short, arched; mesothorax with three keels, of which the 

 lateral pair are connected with the middle one near the fore border, 

 and diverge from it hindward. Legs pale testaceous; hind tibise 

 with blackish tips ; hind tarsi ferruginous. Wings vitreous. Fore 

 wings with three irregular lines of transverse veins ; first and second 

 lines more irregular than the third ; a few brown-clouded transverse 

 veins near the base; a brown postmedial costal spot, including a 

 blackish dot ; a brown apical spot. Length of the body 3| lines, of 

 the wings 10 lines. 

 Hab. Sula. 



200. RicANiA HUMERALis. Fozm. Testacca, fronte tricarinata, facie 

 non carinata, mesothorace tricarinato, alis cinereo-hyalinis, alis an- 

 ticis vitta costali ferruginea abbreviata apice nigricante stigmate pal- 

 lide testaceo, venis fulvis, venis transversis nigricantibus, alis posticis 

 venis marginalibus furcatis. 



Female. Testaceous. Vertex and front with the sides slightly elevated; 

 vertex very short ; front nearly twice as broad as long, with three 

 slight abbreviated keels, the keel on each side very remote from the 

 middle one ; face not keeled. Prothorax arched, four times as broad 

 as long. Mesothorax with three keels, the keel on each side con- 

 nected with the middle one in front, and diverging from it Windward. 

 Wings cinereous vitreous. Fore wings with an abbreviated irregular 

 ferruginous costal stripe, which is blackish towards its tip, and is in- 

 terrupted by a large pale testaceous stigma ; veins tawny ; transverse 

 veins blackish, forming about ten irregular transverse lines; marginal 

 vems not forked. Ilind wings with two lines of transverse veins ; 

 first line with only two veins, second incomplete; three marginal 

 veins forked. Length of the body 3^ lines, of the wings 10 lines. 



Hab. Mysol. 



201. RicANiA CONSENTANEA. Mas. Testacca, fronte unicarinata, 

 facie non carinata, mesothorace tricarinato, alis anticis ochraceo 

 marginatis venis transversis plurimis margine exteriore recto non 

 obliquo, alis posticis albidis. 



Male. Testaceous. Vertex short; front a little longer than broad, 

 slightly rounded on each side, with one keel ; face not keeled. Pro- 

 thorax much arched, hiding most of the vertex. Mesothorax with 

 three keels, the keel on each side slightly curved. Fore wings ochra- 

 ceous along the costa and along the exterior border, tuberculate at 

 the base and along most of the length of the interior border; trans- 

 verse veins most numerous beyond the middle, where they form five 

 irregular lines ; marginal veins mostly forked ; costal space with nu- 

 merous regular transverse veins ; exterior border straight, not oblique. 



