48 F. Moore — Descriptions of some new Genera and [No. 1, 



to nearly half the wing, of equal width throughout ; middle median from 

 near end of the cell, lower at more than one-half before the end, the 

 portion from the middle median to lower median distorted and extending 

 beneath a drum-like glandular sac, which extends upward in a circular 

 formj within the cell from, base of lower median, the sac, or drum, as seen 

 from the upperside, is flat, with a well-defined circular rim, and on the 

 underside, it stands out from the surface in a corrugated circular form ; 

 no radial present ; submedian straight ; internal vein curved. 

 Thorax stout ; antennae with a slender club. 

 Type, O. tympanifera. 



CUPITHA PURREEA. 

 Pamphila Purreea, Moore, P. Z. S. 1877, p. 564, pi. 58, fig. 10, $ . Wood- 

 Mason, Journ. Asiat. Soc. Bengal, 1881, p. 261. 



Hab. South Andaman. 



CUPITHA TYMPANIFERA, n. Sp. 



Male. Upperside dark violet-brown ; forewing with a broad gam- 

 boge-yellow basal costal band, and an oblique discal sinuous-bordered 

 band extending upward from near base of the posterior margin to near 

 the apex : hindwing with a broad transverse discal yellow band extend- 

 ing from near the abdominal margin to near the apex and thence upward 

 along the costal border. Cilia yellow. Body brown ; abdomen with 

 yellow bands. Underside deep gamboge-yellow : forewing with a short 

 ochreous-brown streak extending longitudinally from the base to end of 

 the cell, and a broad patch at the posterior angle : hindwing with a 

 similarly coloured speckled patch near anal angle ascending upward from 

 end of submedian vein. Palpi and legs yellow, antennae annulated with 

 yellow. 



Expanse S If- 



Hab. Magaree, Pegu. In coll. F. Moore. 



This is a comparatively larger insect than (7. purreea ; the bands on 

 the forewing are broader and with more irregular borders, the bands on 

 the hindwing are also broader. 



Genus Plesioneura, Felder. 

 Plesioneura munda, n. sp. 

 Male and female. Upperside olive-brown : forewing with an ob- 

 lique transverse discal semidiaphanous white band, similar to, but more 

 compact than that in P. leucocera, the apex-spot starting from above the 

 costal vein, the two lower large spots, the small one beneath, as well as 

 that outwardly between them, are not separated from each other, the 



