LEPIDOPTERA HETEROCERA. Ta27 
along the exterior border; first and second inferior veins nearly 
contiguous at the base ; third very near the second, rather remote 
from the fourth. 
lL. GIVIRA TRISTIS. 
Mas. Obscure fusca ; caput et antenne nigra; ale antice fascris 
duabus indistinctis obliquis subar cuatis nigricantibus ; postice 
albide, macula postica fusca. 
Male. Dark brown. Head and antenne black. Fore wings 
with two indistinct oblique slightly curved blackish bands beyond 
the middle, the exterior one rather broader than the other. Hind 
wing's 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. Antenne mediocriter pectinate, 
thorace vix brevicres. Abdomen alas posticas plus dimidio superans. 
Pedes sat validi ; tibie antice subtus dentate, postice calcaribus 
quatuor mediocriter longis. Ale sat anguste; antice apud costam 
subrecte, apice vix acuminate, margine exteriore sat obliquo. 
Langsdorfia, Hubn. Samml. Exot. Schmett. ii. Verz. Schmett. 
Body moderately stout. Proboscis obsolete. Palpi porrecti, 
extending a little beyond the head; third joint conical, small. 
Antenne 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 tibia dentate beneath; hind 
tibie 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. Lanesporria FRANCKII. 
Fusca ; antenne nigricantes ; ; ale antice plaga basali fasciaque 
lata marginali nigro-fuscis, maculis duabus basim versus 
argenteis guttisque costalibus nigris. 
Langsdorfia Franckii, Hubn. Samml. Exot. Schmett. ii. Lep. iii. 
Phal. iii. Fodicantes, i. Teredines, A. Crasse, 2, f. 1, 2. 
