124 CATALOGUE OF 



Female. Blue, slender. Antennae hardly pectinated. Thorax 

 and fore wings with a ferruginous tinge. Tibiae without spurs. 

 Hind wings extending much beyond the abdomen, with a very broad 

 ferruginous border. Length of the body 8 lines ; of the wings 

 24 lines. 



It may be distinguished from D. thecloides by its colour, and 

 more especially by its shorter fore wings, which have a less oblique 

 exterior border. 



Sumatra. In Mr. Saunders' collection. 



Genus CORMA. 



Mas. Corpus sat gracile. Frons valde convexa. Proboscis 

 brevissima. Palpi porrecti, brevissimi. Antennae latissime pec- 

 tinatae. Pedes glabri, graciles, calcaribus nullis. Alae latae, non 

 longae ; anticae vix acutae, margine exteriore convexo. 



Male. Body rather slender. Head very convex in front. 

 Proboscis very short. Palpi porrect, extremely short. Antennae 

 very broadly pectinated. Legs smooth, slender, without spurs. 

 Wings broad, not long. Fore wings hardly acute ; exterior border 

 convex, moderately oblique. 



The deeply pectinated antennae of the male distinguish this 

 genus from Pidorus. 



CORMA OBSCURATA. 



Mas. Nigro-purpurea ; caput viride ; antennce virides ; alee 

 anticce fascia media cinerea semihyalina vix areuata ; posticce 

 cinerece, semihyalince, margine lalo diffuso nigro-purpureo. 



Male. Dull blackish purple. Head and antennae green, the 

 latter with black branches. Fore wings with a cinereous seraihyaline 

 hardly curved middle band, which does not extend to the interior 

 border; under side whitish towards the base, except along the 

 costa ; the band whitish, broader and more distinct than on the 

 upper side ; a white dot near the costa beyond three-fourths of the 

 length. Hind wings cinereous, semihyaline, with a broad diffuse 

 dull blackish purple border. Length of the body 6 lines; of the 

 wings 16 lines. 



Sumatra. In Mr. Saunders' collection. 



