FROM THE INDIAN ARCHIPELAGO. 147 



que mediis albis, venis transversis plurimis, alis posticis cinereis feie 

 hyalinis venis marginalibus fureatis. 



Female. Black. Head with hardly prominent borders; vertex very 

 short; front minutely rugulose, twice as broad as long, tawny 

 along the summit ; face testaceous. Prothorax arched, with a slight 

 keel, hiding most of the vertex. Mesothorax minutely punctured, 

 with three very slight keels ; the keel on each side bent, diverging 

 hindward from the middle ope. Legs testaceous. Fore wings with 

 three irregular and incomplete chalybeous bands, with four white 

 costal spots, with four white spots on the exterior border, and with 

 two white spots in the disk, the one near the base, the other in the 

 middle ; transverse veins numerous, some of them forming a regular 

 submarginal line ; transverse costal veins very numerous, mostly par- 

 allel; marginal veins not forked, except two, which are near the tip. 

 Hind wings cinereous, nearly hyaline ; marginal veins forked. Length 

 of the body 5 lines, of the wings 14 lines. 



Hab. Tondano. 



The markings of the fore wings and the more transparent hind 

 wings distinguish it from B. tenebrosa and from B. speculmn. 

 The latter^ species is identical with B. perforata and with B, 

 Malaya, Stal. 



173. RiCANiA ATOMARiA. Mas. Nigra," capitis lateribus fulvis, 

 fronte tricarinata, facie pieea, prothorace unicarinato, mesothorace 

 quinquecarinato, pedibus fulvis; alis anticis fasciis quatuor indetermi- 

 natis lineaque submarginali chalybeis, maculis tribus albis (duabus 

 costalibus, una marginali), strigulis plurimis cinereis; alis posticis 

 fuscia, subhyalinis. 



Male. Black. Head with tawny slightly prominent borders ; vertex 

 very short j front very much broader than long, rounded on each side, 

 with three slight keels, which are abbreviated near the fore border, 

 the keel on each side very remote from the middle one ; face pi- 

 ceous. Prothorax arched, with one keel, hiding part of the vertex. 

 Mesothorax with ffve keels, the inner pair of keels connected with 

 the middle one near the fore border and diverging from it hindward, 

 the outer pair veiy short. Legs tawny. Fore wings with four 

 irregular incomplete chalybeous bands, and with a chalybeous sub- 

 marginal line ; three white triangular spots ; first and second spots 

 costal, first smaller than the second and with a yellowish tinge, 

 third on the exterior border; many little cinereous transverse streaks 

 in the outer part of the disk ; transverse veins mostly forming two 

 complete lines, which are not far from, the exterior border ; transverse 

 costal veins very numerous, mostly parallel ; two apical forked veins. 

 Hind wings brown, slightly hyaline, with a kw forked veins. 



