LEl'IDOPTEKA HETEROCEKA. 263 



with a slight interior undulatiug line ; exterior line acutely angular 

 towards the costa, straight on the under side ; costa testaceous ; 

 exterior border with two broad excavations. Hind wings with the 

 exterior border acutely and deeply dentate. Length of the body 6 

 lines; of the wings 14 lines. 



Brazil. In Mr. Saunders' collection. 



Genus CHIZALA. 



Mas, Corpus robustum. Proboscis brevis. Palpi breves, 

 porrecti, caput non aut vix superantes; articulus 3us minimus. 

 Antennas latissime pecticatae, apice simplices. Abdomen breves, 

 non robusti ; tibia? posticae non incrassatae. Alae amplae, spissse ; 

 anticae elongatae, valde falcatae, costa extus convexa, margine exte- 

 riore antico excavato ; posticae subdentatae. 



Male, Body stout. Front not prominent. Proboscis short. 

 Palpi short, porrect, extending not or very little beyond the head ; 

 third joint very minute. Antennae very broadly pectinated, bare 

 towards the tips. Abdomen not extending beyond the hind wings. 

 Legs short, not stout; hind tibiae not incrassated ; spurs long. 

 Wings ample, stout. Fore wings elongate, very falcate ; costa con- 

 vex exteriorly ; exterior border excavated behind the tips. Hind 

 wings with the exterior border slightly dentate. 



Chizala decipiens. 



Mas. Rufescente-cervina, robusta ; palpi porrecti, brevissimi, sub- 

 tus nigri ; antenna latissime pectinata, apice nuda ; alai 

 nigricante conspersm^ fascia lata obscuriore, fimbria nigricante- 

 cinerea ; anticce valde falcate, lituris tribus costalibus nigri- 

 cantibus ; postica margine exteriore subangulato subdentato. 



Male. Keddish fawn-colour, stout. Proboscis short. Palpi 

 porrect, very short, not extending beyond the head, mostly black 

 beneath ; third joint extremely minute. Antennae very broadly 

 pectinated, bare at the tips; branches fringed. Hind tibiae not 

 thickened, with four long spurs. Wings blackish-speckled, with a 

 broad irregular deeper-coloured band ; fringe blackish, cinereous 

 exteriorly; under side more speckled, with two blackish lines, which 

 correspond to the borders of the band. Fore wings extremely fal- 

 cate ; three blackish marks on the costa ; exterior border slightly 



