LEPIDOPTERA HETEROCERA. 15 



ward. Hind wings gilded yellow, brown-bordered, brown towards 

 the tips and about the adjoining part of the costa, and along the 

 exterior part of the interior border. Length of the body 7 lines ; of 

 the wings 20 lines. 



Silhet. In Mr. Saunders' collection. 



Genus 20. OKATHA. 



Fcem. Corpus sat gracile. Fasciculus frontalis productus, 

 acutus. Proboscis conspicua. Palpi porrecti, lanceolati, sub- 

 arcuati, dense fimbriati, sat graciles, capitis latitudine loogiores ; 

 articulus 3us 2i dimidio brevior. Abdomen alas posticas non 

 superans, fasciculo erecto penicillato inunitum. Pedes longi, gra- 

 ciles. Alae anticae longae, amplae, acutae, costa basi convexa, mar- 

 gine exteriore subflexo. 



Female. Body rather [slender. Frontal tuft acute, very pro- 

 minent. Proboscis moderately long and stout. Palpi porrect, 

 lanceolate, slightly curved, thickly fringed, rather slender, longer 

 than the breadth of the head ; third joint lanceolate, less than half 

 the length of the second. Antennae smooth, slender. Abdomen 

 not extending beyond the hind wings, with an erect penicillate tuft 

 on the third segment. Legs long, smooth, slender ; hind tibiae with 

 four moderately long spurs. Wings elongate, ample. Fore wings 

 acute ; costa straight, convex and dilated towards the base ; exterior 

 border slightly bent, very oblique hindward. 



1. Oratha significata. 



Fcem. Cinerea ; thorax fascia antica atomisque nigris ; alee gutia 

 discali nigricante ; antica nigro subconspersa?, rufo subtinctce, 

 cano varice, vitta discali cervina nigro bilineata^ punctis mar- 

 ginalibus nigris ; posticce linea marginali nigricante. 



Female. Cinereous. Thorax black-speckled, with a black 

 band in front. Wings with a diffuse blackish discal dot. Fore 

 wings thinly black-speckled, slightly tinged with red, partly hoary, 

 with an irregular fawn-coloured discal stripe which contains two 

 black lines, and is concisely bordered hindward with hoary, the lat- 

 ter hue also limiting the two black lines ; marginal points black. 

 Hind wings with a blackish marginal line. Length of the body 7 

 lines ; of the wings 20 lines. 



a. Chili. From Mr. Cuming's collection. 



C2 



