442 Col. C. Svvinhoe on new 



Wings hyaline, with black veins and black borders, thinnest 

 on the costa of fore wings and on abdominal border of hind 

 wings ; a small white anal tuft to the male ; tip of antennae 

 white on one side in both sexes. 



Expanse of wings l^V inch. 



Shillong. One pair. 



Chalcosiidae. 



Genus Heteeopan, Walker. 



Heteropan leis, sp. n. 



<J ? . Antenna? black, the branches of the male with pale 

 ends. Body and wings dark blackish green : hind wings 

 black, with a dull ochreous band, broad, short, and rounded 

 at each end, in the upper disk of the male, but extending over 

 two thirds of the wing in the female, leaving the costa thinly 

 and the outer border and abdominal margin broadly black ; 

 a small space in the cilia below the apex white on each wing. 

 Underside black, paler in the male than in the female, with 

 a dull ochreous upper discal patch more or less connected with 

 the base in the male, very large in the female, and on the 

 hind wings of the same size and shape as it is above ; in the 

 female also the outer border of the hind wing is metallic 

 green ; cilia as above. 



Expanse of wings, $ 1 T V, ? lyo inch. 



IShiilong. A fine series of both sexes. 



Genus Chalcosiopsis, nov. 

 ? . Palpi short and porrect ; antennas simple. Fore wing- 

 wit h the costa slightly excised before the apex, which is pro- 

 duced to a lobe j the outer margin much excurved ; vein 1 a 

 forming a large fork with lb) lc present and running close 

 along the median vein to middle of cell, 3 from before angle 

 of cell, 4 from the angle, 5 from below centre of discocellulars, 

 6, 7, and 8 stalked ; 12 short, to middle of costa ; a forked 

 veinlet in cell. Hind wing with vein 1 a short, 1 c present, 3 

 from before angle of cell, 4 from the angle, 5 from above 

 centre of discocellulars, 6 and 7 stalked, 8 curved and nearly 

 touching the subcostal vein at middle of cell j a veinlet in 

 middle of cell ; frenulum fully developed ; apex somewhat 

 produced, outer margin excurved at centre; legs with the 

 tibial spurs long. 



Chalcosiopsis variata, sp. n. 



$ . Upperside : body and fore wings black ; fore wings 

 with a broad white band from the costa a little before the 



