LEPIDOPTE UA HETEROCERA. 
1691 
Genus GEODENA. 
Mas. Corpus gracillimum. Proboscis capitis latitudine multo 
longior. Palpi graciles, porrecti, caput non superantes ; articulus 
3us minutus, conicus, acurninatus. Antennag late pectinatae, cor- 
poris dimidio multo longiores. Abdomen alas posticas non supe- 
rans. Pedes graciles ; tibiae posticae calcaribus quatuor longis. 
Alse longiusculae, mediocriter latae ; anticae vix acuminatae, apud 
costam subconvexae, margine exteriore perobliquo. 
Male. Body very slender. Proboscis much longer than the 
head. Palpi slender, porrect, not extending beyond the head; third 
joint minute, conical, acuminated. Antennae deeply pectinated, 
much move than half the length of the body. Abdomen extending 
as far as the hind wings. Legs slender; hind tibiae with four long 
spurs. Wings rather long, moderately broad. Fore wings very 
slightly convex in front, hardly acuminated at the tips, very oblique 
along the exterior border ; second inferior vein rather further from 
the third than from the first ; third full six times further from the 
fourth than from the second. G . marginalis differs from the typical 
species, G. quadrigutta , in the structure of the palpi, which are ob- 
liquely ascending, and with the third joint obtuse and very minute. 
1. Geodena quadrigutta. 
Mas. Alba; caput subluteum, fascia antica nigro-fusca ; thorax 
anticus subluteus ; palpi testacei , a pice nigri ; pedes nigro 
vittati ; abdomen alhido-testaceum ; alee nigro quadriguttatee. 
Male. White. Head and fore part of the thorax slightly 
luteous. Head with a blackish brown band in front. Proboscis 
tawny. Palpi testaceous, with black tips. Antennae black. Abdo-. 
men whitish testaceous. Legs wdth blackish stripes. Wings with 
a black dot at the tip of the discal areolet ; costa of the fore wings 
black ; hind wings with a smaller dot than that of the fore wings. 
Length of the body 4 lines; of the wings 13 lines. 
a. — ? From Mr. Milne’s collection. 
2. Geodena marginalis. 
Mas. Alba ; caput pallide luteum ; proboscis nigra ; palpi supra 
fusci ; thorax fascia antica lutea ; alee nigro-fusco quadrigut- 
tatee, margine exteriore pallide fusco ; anticee apud costam 
pallide fusees. 
R 2 
