LEPIDOPTERA HETEROCERA. 99 



and is not visible beneath ; fringe reddish, very short; exterior bor- 

 der very slightly convex ; a very indistinct zigzag whitish submar- 

 ginal line, which is more apparent towards the tips of the fore 

 wings ; the latter are subfalcate, and the line does not extend 

 to their tips. Male. — Antennae subpectinated ; the branches short 

 and fine and terminating in bristles. Length of the body 4£ — 5 

 lines; of the wings 14 lines. 



a, b. Tapayos. From Mr. Bates' collection. 



13. Gynopteryx? Icaunaria. 



Fcem. Nigricante-cinerea^ subglaQcescente suffusa ; tibice posticce 

 vix incrassatce ; aide linea obliqua recta lineaque marginal^ 

 fuscis extus cinereo marginatis, litura discalifusca ; anticce 

 acutce, vix falcatoe, lituris anticis submarginalibus albidis, 

 linea costam versus retracta. 



Female. Blackish cinereous, with a slight glaucous tinge. 

 Abdomen not extending beyond the hind/ wings. Hind tibiae 

 hardly thickened. Wings moderately broad, with a brbwn straight 

 oblique line, which is bordered with cinereous on the outer side, and 

 is undulating beneath : a brown cinereous-bordered marginal line 

 and a brown discal mark. Fore wings acute, nearly subfalcate; 

 some whitish marks along the fore part of the exterior border, which 

 is hardly couvex ; line retracted and forming an angle near the 

 costa. Length of the body 3 lines ; of the wings 10 lines. 



a. Brazil. From Mr. Argent's collection. 



Genus 5. TETRAGONODES. 



Mas et fcem. Frons plana. Palpi ascendentes, compressi ; arti- 

 culus 3us brevissimus, valde truncatus. Antennae usque ad apices 

 pectinatae. Tibiae posticae fusiformes. Alae integrae, in utroque 

 sexu similes ; anticae margine exteriore subflexo; posticae margine 

 exteriore angulato. 



Tetragonodes, Macq. Phal. i. 80. 



Male and female. Front even. Palpi ascending, compressed ; 

 third joint very short, much truncated at the tip. Antennae pecti- 

 nated to the tips. Hind tibiae fusiform. Wings entire, of the same 



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