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. 
Foem. Nigricante-cinerea , subglaucescente suffusa ; tibice posticce 
vix incrassatce ; alee linea obliqua recta lineaque marginali 
fuscis extus cinereo marginatis , litura discali fusca ; anticee 
acutce , vix falcatee , 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 brown 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 convex; 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. 
Masetfcem. 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 
K 2 
