1452 CATALOGUE OF 



wings. Wings rather narrow. Fore wings slightly acuminated, 

 nearly straight in front, hardly convex and rather oblique along the 

 exterior border ; second inferior vein more than twice further from 

 the first than from the third ; third further from the fourth than 

 from the second. 



10. Megasoma obscurum. 



Mas. Ferrugineum ; alee antic ce fasciis nonnullis angnstis obliquis 

 angulosis subpallidioribus nigro marginatis. 



Male. Ferruginous. Fore wings with several slender oblique 

 zigzag slightly paler blackish-bordered bands. Length of the body 

 14 lines ; of the wings 28 lines. 



Group 4. 



Mas. Corpus mediocriter robustum. Palpi validi, porrecti, 

 pilosi, obtusi, caput paullo superantes. Antennae mediocriter pecti- 

 nate, thorace breviores, basim versus late pectinatae. Abdomen alas 

 posticas dimidio superans. Alae angustae ; anticae subacumiriatae, 

 apud costam subrectae, margine exteriore vix convexo sat obliquo, 

 interiore basi concavo. Fcem. — Palpi caput sat longe superantes. 

 Antennae subpectinatae, basim versus mediocriter late pectinatae. 

 Abdomen alas posticas plus triente superans. Alae anticae apud 

 costam subrectae, margine exteriore perobliquo. 



Male. Body moderately stout. Palpi stout, porrect, obtuse, 

 extending a little beyond the head. Antennae moderately pecti- 

 nated, shorter than the thorax, rather deeply pectinated towards the 

 base. Abdomen extending for about half its length beyond the 

 hind wings. Wings narrow. Fore wings almost straight in front, 

 slightly acuminated at the tips, very slightly convex and rather 

 oblique along the exterior border ; interior border concave at the 

 base ; second inferior vein about four times further from the third 

 than from the first ; fourth remote from the third. Female. — Palpi 

 extending some distance beyond the head. Antennae moderately 

 deeply pectinated towards the base, slightly pectinated from thence 

 to the tips. Abdomen extending for more than one-third of its 

 length beyond the hind wings. Fore wings straight along the 

 costa till near the tips, where they are slightly rounded. 



