FROM TUE INDIAN ARCHIPELAGO. 143 



very slight ; face not keeled. Prothorax much arched, partly hiding 

 the vertex, with three keels. Mesothorax slightly arched, with five 

 keels. Abdomen with a large apical valve. Fore wings whitish, 

 nearly hyaline, with a few irregular black spots, and with a curved 

 submarginal row of black dots ; veins testaceous ; transverse veins nu- 

 merous, irregular, except those of the submarginal line, some of 

 them blackish; many somewhat irregular transverse costal veins; 

 marginal veins not forked. Hind wings white. Length of the 

 body 3 lines, of the wings 10 lines. 

 Hab. Aru ; Mysol. F. pyralis inhabits New Guinea. 



166. Flatoides simplex. Mas et Foem. Pallide testaceus, capite 

 subascendente, vertice unicarinato, fronte et mesothorace tricarinatis, 

 alis albidis fere hyalinis, alis anticis lineis duabus e venis transversis, 

 venis marginalibus quatuor furcatis. 



Male and Female. Pale testaceous. Head slightly ascending, with 

 slightly prominent borders; vertex very prominent, with one keel, 

 full twice as broad as long; front more than twice as long as 

 broad, slightly angular on each side, with three keels ; the keel on 

 on each side oblique, much shorter than the middle one. Pro- 

 thorax much arched. Mesothorax with three keels, the keel on each 

 side connected in front with the middle one. Wings whitish, nearly 

 hyaline; veins whitish. Fore whigs with two postmedial lines of 

 transverse veins; costal transverse veins numerous, parallel; four 

 of the marginal veins forked. Hind wings with an incomplete line 

 of transverse veins ; one or two of the marginal veins forked. Length 

 of the body 4 lines, of the wings 1 1 lines. 

 Hab. Ambonia; Ceram; Dory; Morty ; Mysol; New Guinea; Ter- 

 nate. 



Gen. EiCANiA, Germar. 



16(5. RiCANiA SUBATOMARIA. Mas. Picco-nigra, capite, pectore, ven- 

 tre pedibusque fulvis, fronte tricarinata ox parte rugulosa, thorace 

 piceo tricarinato carinis lateralibus furcatis, alis anticis punctis non- 

 nullis guttaque postica necnon guttis punctisque marginahbus albis, 

 alis posticis punctis niediis margineque postico albis. 



Male. Piceous black. Head, pectus, abdomen beneath, and legs 

 tawny. Vertex six times as broad as long ; front nearly twice as broad 

 as long, with three very slight keels, partly and very slightly rugulose 

 in the disk, slightly elevated on each side. Thorax piceous, with three 

 slight keels ; the lateral keels forked. Fore wings with several white 

 points in the disk beyond the middle ; a white dot near the interior 

 border in a line with the points ; costa with some lurid points near 

 the base, with two white dots beyond the middle and with five white 

 points nearer the tip ; hind border slightly dilated at somewhat in 



