142 LEPIDOPTERA INDICA. 



Female, like the male above and below, except that the inner area of both 

 wings above is genei'ally much duller in colour, and is often more restricted. Antennae 

 black ; palpi black above and below ; head and body above and below concolorous with 

 the wings. 



Expanse of wings, $ ? 1-j^ to 1^^ inches. 



Habitat. — Assam, Chittagong Hill Tracts, Calcutta, Burma, Perak and Java. 



Distribution. — We have it from Java, Ataran, Burma and Calcutta ; Elwes 

 records it from E. Pegu and Assam, Hewitson from Siam, Rothney from Barrackpore, 

 Doherty from Mergui, Distant from Perak, and de Niceville also from Beerbhom 

 District, Goalpora, Sibsaghar, and the Chittagong Hill Tracts. 



ALLIED CHINESE SPECIES. 

 MahatJiala hainani, Bethune-Baker, Trans. Zool. Soc. 1903, p. 23, pi. i. fig. 1. Habitat, Haman. 



Genus THADUCA. 



Thaduca, Moore, Proc. Zool. Soc. 1878, p. 836. de Niceville, Butt, of India, iii. p. 225 (1890). 

 Bethune-Baker, Trans. Zool. Soc. 1903, p. 24. 



Forewing, vein 12 slightly arched, ends on costa opposite end of cell, 11 from 

 one-third, 10 from middle, 7 from a little before end of cell, 9 from 7 at one-third from 

 tip, longer than in Mahathala, 8 absent, 6 from the end of cell, 5 from the middle of 

 discoeellulars, discocellulars about equal length, concave, vein 4 from lower end, bent 

 at its base, 3 from a little before the end, 2 from one-third before the end, costa 

 highly arched, apex angular, outer margin sinuous, at its upper half, slightly convex, 

 hinder angle rounded, hinder margin nearly straight, as long as the costa. Hindicing, 



vein 8 highly arched at base, 7 from the middle of the 

 cell, arched at base, 6 from the end on a line with the 

 sub-costal, discocellulars angled outwards, being thus of 

 exactly the reverse shape to that in Mahathala, the lower 

 the longer, vein 5 from the middle, 4 from the lower 

 end, 3 from a little before the end, 2 from the middle 

 of the cell, internal vein straight ; short tails at the end 

 of the internal vein and vein 3, a longer tail (twice as 

 long) at the end of vein 2, an anal lobe of ordinary size ; 

 GenitBMa. oi Thaduca muiti- costa and Outer margin in a continuous round, excavated 



caudata. ° 



somewhat between the tails ; abdominal margin ex- 

 cavated above the anal lobe for about one-third its length, straight from thence 

 upwards ; the abdominal space covered with long hairs. Antennae short, a little more 

 than one-third the length of the costa of forewing, slightly, gradually thickened 



