LEP1D0PTERA HETEROCERA. 819 



Male. White. Body luteous. Thorax white, luteous in 

 front. Abdomen white towards the base. Fore wings beneath 

 blackish along the costa, and with blackish streaks proceeding from 

 the disk to the exterior border; second inferior vein about twice 

 further from the third than from the first ; third more than twice 

 further from the fourth than from the second. Hind wings blackish 

 on nearly half of the exterior part, with the exception of the white 

 veins. Length of the body 6 lines ; of the wings 18 lines. 



a, b. Silhet. Presented by E. Doubleday, Esq. 



3. Genusa circumdata. 



Mas. Alba ; caput, abdomen apice el pedes subtestacea ; antenna 

 latissime pectinatce ; alee cinereo ex parte marginata. 



Male. White. Head, palpi, abdomen towards the tips and 

 legs slightly testaceous. Antennas very deeply pectinated ; branches 

 black. Fore wings gray along the costa and along the exterior 

 border, where a gray streak proceeds to the disk ; second inferior 

 vein about twice further from the third than from the first ; third 

 full thrice further from the fourth than from the second. Hind 

 wintjs gray at the tips, and along the exterior border. Length of 

 the body 6 lines ; of the wings 16 lines. 



a, b. North India. From Mr. Stevens' collection. 



Genus 30. PANTANA. 



Mas. Corpus gracillimum. Proboscis inconspicua. Palpi 

 porrecti, breviusculi, caput non superantes ; articulus 2us lo multo 

 longior; 3us acutus, minimus. Antennas late pectinatae, corporis 

 dimidio aequales. Abdomen apice fasciculatum. Pedes gracillimi, 

 nudi ; tibiae posticae calcaribus duobus apicalibus longis. Alas an- 

 ticae sat angustae ; posticae latissimae, abdomen longe superantes. 



Male. Body very slender. Proboscis very short or obsolete. 

 Palpi porrect, rather short, not extending beyond the head; second 

 joint much longer than the first; third acute, very minute. An- 

 tennae deeply pectinated, about half the length of the body. Abdo- 

 men somewhat tufted at the tip, extending to about half the breadth 

 of the hind wings. Legs very slender, bare; hind tibiae with four 

 long apical spurs. Fore wings rather narrow, slightly convex along 

 the costa; second inferior vein as near to the third as to the first; 

 third about twice further from the fourth than from the second. 

 Hind wings very broad. 



