LEPIDOPTEEA HETEROOERA. 893 



Pykalis Antenoralis. 



Mas. Fuscescente- cinerea, sat gracilis ; palpi graciles, arcuati, 

 ascendentes, articulo So parvo ; antenna vix pubescentes ; tho- 

 rax antice albus ; abdomen alas posticas vix superans ; alee sat 

 amplce, linea exteriorefusca obliqua dentatapallido marginata ; 

 antica cosia subconvexa, linea exteriore costam versus latius- 

 cula subretracta, reniformi e macula albida fusco strigata, 

 plaga exteriore fusca, 



Male. Brownish cinereous, rather slender, pale cinereous be- 

 neath. Palpi slender, curved, ascending, not rising higher than 

 the head ; third joint minute, not more than one-fourth of the length 

 of the second. Antennae hardly pubescent. Thorax white in front. 

 Abdomen hardly extending beyond the hind wings. Legs smooth. 

 Wings somewhat ample ; exterior line brown, oblique, dentate, pale 

 bordered on the outer side. Fore wings slightly convex along the 

 costa ; exterior line slightly retracted and widened towards the 

 costa ; reniform mark represented by a brown streak in a transverse 

 whitish spot, which adjoins an exterior brown patch; exterior bor- 

 der convex, slightly oblique. Length of the body 4 lines ; of the 

 wings 12 lines. 



Allied to P. farinalis in structure. 



Brazil. In Mr. Saunders' collection. 



Pyealis Thiastoralis. 



Fcem. Testacea, sat gracilis ; palpi glabri, gracillimi, ascendentes, 

 articulo 2o arcuato ; antenna sat validce ; abdomen alas pos- 

 ticas vix superans; ala elongate, lituris plurimis parvis 

 transversis fuscis, lituris apud marginem exterior em nigris ; 

 anticce acuta. 



Female. Testaceous, rather slender. Palpi smooth, very 

 slender, ascending obliquely as high as the vertex; second joint 

 curved ; third acute, much shorter than the second. Antennae 

 rather stout. Abdomen hardly extending beyond the hind wings. 

 Wings elongate, with very numerous minute transverse brown 

 marks and towards the exterior border with black marks. Fore 

 wings acute; exterior border very oblique, slightly convex. Length 

 of the body 2% lines ; of the wings 7 lines. 



This species belongs to the group of which P. nostralis is the 

 type. 



Brazil. In Mr. Saunders' collection. 



