LEPIDOPTERA HETEROOERA. 325 



Orgyia SIMPLEX. 



Mas. Cervina; palpi subdecumbentes, capitis latitudine non 

 breviores, articulo So lanceolate ; antenna latissime pectinatce ; 

 alee anticce apice rotundatce, fascia lata marginali obscuriore ; 

 posticce ochracece, fascia marginali fuscescente- cervina. 



Male. Fawn-colour. Palpi pubescent, slightly decumbent, as 

 long as the breadth of the head; third joint lanceolate, about half 

 the length of the second. Antennae very broadly pectinated ; 

 branches slender, very minutely setulose, each with three apical 

 bristles. Legs pubescent ; hind tibiae with four moderately long 

 spurs. Fore wings rounded at the tips, with a broad darker band 

 along the exterior border, which is very convex. Hind wings och- 

 raceous, extending much beyond the abdomen, with an irregular 

 brownish fawn-coloured band along the exterior border. Length of 

 the body 5 lines ; of the wings 14 lines. 



The antennae of this species are less thickly pectinated than those 

 of O. plana, and there is no black point on the fore wings. 



a. South Hindostan. Presented by M. J. Walhouse, Esq. 



Orgyia albifascia. 



Mas. Nigro-fusca ; caput, palpi et coxce anticce ochracea ; pectus 

 luteum; abdomen apice ochraceum; alee anticce fascia obliqua 

 alba. 



Male. Blackish brown. Head, palpi and fore coxae ochraceous. 

 Pectus luteous. Abdomen yellowish cinereous beneath ; apical tuft 

 ochraceous. Fore wings with a white oblique band, which extends 

 from a little before the middle of the costa to the interior angle. 

 Length of the body 6 lines; of the wings 18 lines. 



Darjeeling. In Mr. Atkinson's collection. 



Orgyia canifascia. 



Mas. Obscure fusca ; palpi porrecti, crassi, caput superantes ; 

 alee anticce subacutee, fascia indeterminata plagaque apicali 

 glauco-albidis, lineis duabus transversis angulosis, lunulis 

 duabus discalibus, strigis tribus apicalibus lunulisque margin- 

 alibus nigris, plagis duabus cinereis, la basali, 2a apud angu- 

 lum interiorem. 



B2 



