COB ALUS. Bv Dr. M. Deatjdt. 



957 



R. bomax Schs. Dark brown, on the forewing with a narrow, transverse white hyaline spot between homax. 

 the median veins and a very small round spot above it. Beneath dark brown, tinted violet, on the forewing 

 the anal angle and proximal margm are lighter brown. Hindwing with a small, yellow cell-spot and a dot behind 

 the lower cell-angle. Expanse of wings: 36 mm. Petropolis. — zaba Sh\ belongs perhaps as a form to it, it zaha. 

 is distingxiished by 2 minute subapical dots, only one more small cell-spot, the hindwing beneath being 

 unmarked. [Mexico, Argentina. 



R, tanaris Schs. is above as the preceding, but without the narrow lower hyaline spot. Beneath the tanaris. 

 forewing has a broad lighter brown distal margin and apex and is spotted as above, but with a light transverse 

 stripe below it. Hindwing tinted violet above the median and the lower branch. Expanse of wings: 36 mm. 

 Brazil (Tijuca in the Organ Mountains). 



R. dyma Plotz (185 g) is above dark brown with 3 white subapical dots, 2 large white postdiscal spots dyma. 

 and a yellow submedian diffuse spot in front of which the lead-coloured scent-stripe is situate on the submedian. 

 Hindwing with a white dot behind the lower cell-angle, and with ochreous fringes. Beneath light reddLsh- 

 brown, disc of forewing black, being continued towards the margin like a diffuse patch above the lower median 

 vein. Hindwings with darker brown basal and discal bands and small triangular spots on the margin between 

 the veins; beside 2 white postdiscal dots there is a cell-dot. BrazU. 



R. advena sp. nov. (185 g) is smaller; the blackish-brown forewing shows 2 small, white, hyaline cell- advena. 

 spots, 2 postdiscal spots the lower of which is much larger than the upper, and three sabapical dots. Hindwing 

 with a hyaline dot behind the lower cell-angle. Beneath duller, the anal angle of the forewing lighter, hindwing 

 with a white cell-dot and 2 behind the cell. Bolivia; South Brazil. 



R. luctatius Schs. is above black, on the head with a slight green reflection. The forewing exhibits luctaMus. 

 2 small grejdsh-white spots between the median veins and above thenj. Beneath duller and lighter, the spots 

 whiter, clearer, near the anal angle ^ greyish-brown spot; on the hindwing 2 reddish dots behind and below 

 the cell. Mexico, Oosta Rica. 



R. cynea Heiv. (= erebina Mschlr., tersa Mschlr., kasus Mschlr.) (185 h). Forewing with only 3 small cynea. 

 white spots, one of which is subapical; hindwing unspotted. Beneath the hindwing shows a ceU-dot and 3 be- 

 hind it, the anal angle of the forewing is broad, white; head and thorax with a green reflection. From Mexico 

 to Colombia and Venezuela. 



R. bistrlgula H.-Schaff. (= alus Mab., velleius Plotz) (185 h) is above very similar; beneath the forewing hisMgula. 

 does not show a white anal angle, and the hindwing is entirely uni-coloured blackish-brown, like the head and 

 thorax. From Panama to Guiana, the Amazon and Bolivia. 



R. melius Hbn. (= irma Mschlr.) (185 h) is above quite blackish-brown with a long, lighter stigma; melius. 

 fore«dng towards the proximal margin and hindwing on the anal fold long-haired. Beneath the wings are tinted 

 purple, forewing at the anal angle lighter, at the apex and distal margin grey.. Of the same colour are the distal 

 and proximal margins of the hindwings. Mexico to Colombia, Brazil, and in Trinidad. 



R. anthracinus Mab. (= epaphus G. & S.) (185 h) is much larger than melius, above the same; well 

 discernible on the hindwing beneath by the distal margin being broadly coloured ochreous-yellow analwards. 

 Gruatemala to Brit. Guiana. 



R. megalops G. <& S. (185 h). Above uni-coloared blackish-brown; beneath hindwing as in cynea, megalops. 

 but the forewing without a white anal angle ; head and eyes remarkably large, frons and prothorax with lustrous 

 green hair. Mexico, Costa Rica and Panama. 



aidhraci- 



126. Genus: €obalus G. d- S. 



Antennal club with a long, turned-round apex; palpi erect; hindwing at the costal angle somewhat 

 prolonged, analwards somewhat convex. The (J is without the scent-scale stripe. 



C. fidicula Hew. (= hesiodes Plotz) (185 i). Forewing with 3, sometimes 4 white spots, 1 or 2 of which fidicula. 

 are subapical, the lowest spot being the largest. On the hindwing before the middle of the distal margin an 

 oval white spot. Beneath more reddish, otherwise as above, but the proximal margin of the forewing shows 

 a fifth white spot. Honduras, Costa Rica, Panama. 



C. virbius Or. (= hersilia Plotz) (185 i) is very closely allied to fidicula, with broader and shorter virhius. 

 wings, the white spot of the hindwing extending to the distal margin. Brazil (Rio de Janeiro). 



C. gabina G. &. S. (185 i) differs from the preceding by a white cell-spot, and the hindwing being quite gahhm. 

 unspotted. Beneath somewhat lighter. Mexico. 



C. trimaculata Plotz (185 h) has above close together a double cell-spot and below it a large white trimacidaia. 

 spot, a small one being behind it. Beneath the same, little lighter, with a large, yellowish-white submedian 

 spot of the forewing. From Brazil. 



C. bryanti Weeks is doubtfully placed here. Above dark brown, basal half of costal margin strewn hryanti. 

 with golden yellow; forewing with 2 white subapical dots; 3 white postdiscal spots, the lowest being the largest. 



