Wie! Colonel Charles Swinhoe on the 
Fam. ACIDALIDA. 
Genus Pertxera, Meyrick. 
241. P. obrinaria (Guén.), Phal., i., p. 414 (1857). 
Shillong. 
242, P. absconditaria (Walker), xxvi., p. 1580 (1861). 
Common. 
Genus Musorropnr, Hampson. 
243. M. expunctaria (Walker), Journ. Linn. Soc., ii., 
p. 195 (1859). 
A, ovisignata, Moore, Lep. Ceylon, iii., p. 444 (1887). 
Shillong. 
Genus T'rrracHopopA, Hampson. 
3 
244, 1. obstataria (Walker), xxi., p. 769 (1861). 
Anisodés subroseata, Walker, xxvi., p. 1582 (1862). 
A. acuta, Moore, Lep. Ceylon, iii., p. 445, pl. 215, 
fig. 9 (1887). 
Shillong. 
Genus ANnrisoDEs, Guén, 
245. A, lichenaria, Swinh., Trans. Ent. Soc., 1892, p. 8. 
Shillong. 
246. A. intermietaria, Swinh., lc. 
Shillong. 
247. A. pulverentula, Swinh., L.c., p. 9, pl. 1, fig. 8. 
Shillong. 
248. A. heydena, sp. n. 
3. Yellowish straw colour, upperside of palpi black ; wings 
irrorated with brown atoms, forewings with a very large chocolate- 
brown oval patch in the centre, a suffused, sinuous short band 
running upwards from it, hindwings with a similar central smaller 
spot, pale in its centre, a sub-basal transverse brown line, an ante- 
medial thin brown band touching the inner side of the spot, and a 
