104 MR. P. WALKER ON HETEROCEROTIS LEPIDOPTERA 



Female. Blackish. Front, fore border of the thorax, shoulders, abdo- 

 men beneath, and legs testaceous. Fore wings narrow ; costa straight, 

 testaceous ; exterior border hardly oblique ; fringe testaceous. Length 

 of the body 4 lines ; of the wings 10 lines. 



Allied to L. serva, from which it may be distinguished by its smaller 

 size and by its much darker colour. 



81. Lithosia aspersa, n. s. Mas et Fcem. Pallide lutea, alis anticis 

 acutis cervino dense conspersis costa extus subconvexa margine ex- 

 teriore subflexo subtus nigricante, posticis pallide testaceis. 



Male and Female. Pale luteous. Antennas of the male very stout. 

 Tegulae of the thorax furrowed. Abdomen and bind wings pale 

 testaceous, the former long in the male, and with a large apical tuft 

 of hairs. Fore wings thickly speckled with fawn-colour ; costa 

 slightly convex exteriorly ; tips acute ; exterior border straight, very 

 slightly bent in the middle, with a blackish band on the underside. 

 Length of the body 5 lines ; of the wings 14 lines. 



82. Lithosia apicalis, n. s. Mas. Lutea, robusta, capite thoraceque 

 nigricantibus, alis anticis purpurascente^suffusis apice saturatioribus. 



Male. Luteous, robust. Head, palpi, antennae, and thorax blackish. 

 Antennas distinctly setulose. Abdomen with a few long hairs. Fore 

 wings mostly covered with a slight purplish tinge, which hue is deepest 

 about the tips, where its outline is distinctly marked. Length of the 

 body 4£ lines ; of the wings 12 lines. 



83. Lithosia rotundipennis, n. s. Fcem. Lutea, robusta, palpis 

 apice pedibusque supra nigris, alis anticis latiusculis acutis vix fal- 

 catis striga subtus marginali nigricante costa convexa, posticis pallide 

 testaceis. 



Female. Luteous, robust. Palpi black towards the tips. Abdomen 

 and hind wings pale testaceous. Legs black above. Fore wings 

 rather broad, acute, and almost subfalcate at the tips, with a blackish 

 streak beneath along the fore part of the exterior border ; costa con- 

 vex ; exterior border oblique hindward. Length of the body 5 lines ; 

 of the wings 13 lines. 

 Allied to L. brevipennis, from which it may be distinguished by the 

 fore wings, which are broader, and have a convex costa, a much less 

 oblique exterior border, and a blackish streak beneath. 



84. Lithosia nooicornis, n. s. Mas. Pallide cervina, robusta, 

 capite usccscentc, antenni crassis basi incisis, abdominis lateribus 

 subfaseiculatis, alis anticis striga marginali nigricante, posticis costa 

 dilatata incrassata fimbriata. 



Male. Pale fawn-colour, stout. Head and palpi brownish. Antenna; 

 robust, compressed, setulose, slightly notched near the base. Abdo- 

 men with slight tufts along each side. Fore wings narrower than 

 those of L. rotundipennis ; costa hardly convex ; tips acute, not sub- 



