LEPIDOPTERA HETEROCERA. 
1527 
along the exterior border; first and second inferior veins nearly 
contiguous at the base ; third very near the second, rather remote 
from the fourth. 
1. Givira tristis. 
Mas. Obscure fusca ; caput et antennae nigra ; alee anticae f asciis 
duabus indistinctis obliquis subarcuatis nigricantibus ; posticce 
albidxz, macula postica fusca. 
Male. Dark brown. Head and antennae black. Fore wings 
with two indistinct oblique slightly curved blackish bands beyond 
the middle, the exterior one rather broader than the other. Hind 
wings whitish, with a brown mark near the hind end of the exterior 
border. Length of* the body 16 lines ; of the wings 8 lines. 
a. ? 
Genus 6. LANGSDORFIA. 
Mas. Corpus sat validum. Proboscis obsoleta. Palpi por- 
recti, caput paullo superantes. Antennae mediocriter pectinatae, 
thorace vix breviores. Abdomen alas posticas plus dimidio superans. 
Pedes sat validi ; tibiae anticae subtus dentatae, posticae calcaribus 
quatuor mediocriter longis. Alae sat angustae ; anticae apud costam 
subrectae, apice vix acuminatae, margine exteriore sat obliquo. 
Langsdorfia, Hubn. Samml. JExot. Schmett. ii. Verz. Schmett. 
Body moderately stout. Proboscis obsolete. Palpi porrecti, 
extending a little beyond the head; third joint conical, small. 
Antennae moderately pectinated, hardly as long as the thorax. Ab- 
domen extending for about two-thirds of its length beyond the hind 
wings. Legs moderately stout; fore tibiae dentate beneath; hind 
tibiae with four moderately long spurs. Wings rather narrow. Fore 
wings almost straight in front, hardly acuminated and very slightly 
falcate at the tips, rather oblique along the exterior border ; first 
and second inferior veins nearly contiguous; third full six times 
further from the fourth than from the second. 
1. Langsdoreia Franckii. 
Fusca ; antennae nigricantes ; alee anticae plaga basali fasciaque 
lata marginali nigro-fusch , maculis duabus basim versus 
argenteis guttisque costalibus nigris. 
Langsdorfia Franckii, Hubn. Samml. Exot. Schmett. ii. Lep. iii. 
Phal. iii. Fodicantes , i. Teredines , A. Crassae , 2, f. 1, 2. 
