Lepidoptera of Sikkim. 353 
from the male except in the slightly-broader wings. It 
is a strong flyer, and settles on the ground like daraxa. 
162. Limenitis dudu. 
Limenitis dudu, Westw., Gen. Di. Lep., i., p. 276 
(1850) ; Butt. Ind., ti., p.159,.t. xxiv., fig. 112, 3. 
A rare species, which has much the same habits as 
zayla, but occurs lower down. The only female which I 
have seen was taken on the bare hill-top at Jellapahar 
in July by a soldier. 
163. Limenitis procris. 
Papilio procris, Cr., Pap. Ex., ii., t. evi., figs. B, F (1777). 
Limenitis procris, Butt. Ind., u1., p. 163. 
Only found in the Terai and lowest valleys, where it 
is not so common as in the plains. Flies from March 
till December. 
164. Athyma perwus. 
Papilio perius, Linn., Syst. Nat., x., p. 471 (1758). 
P. leucothoe, L., l. c., p. 478, et auctorum. 
Athyma perius, Butt. Ind., ii., p. 166, t. xx., fig. 89, 2. 
Much rarer in Sikkim than in the North-west Hima- 
laya and Khasia Hills. Moller notes it as found up to 
3000 ft. all the year round, but I have never observed it 
myself. 
165. Athyma jina. 
Athyma jina, Moore, Cat. Lep. E.I. C., p. 172, t. vi. a 
(1857); Butt. Ind., ii., p. 169. 
Not a common species, and, as far as I know, confined, 
like so many of the species peculiar to Sikkim, to the 
zone of heavy forest between 6 and 8000 ft., where 
I have taken it in July. 
166. Athyma mahesa. 
Athyma mahesa, Moore, Cat. Lep. H.I.C, p. 176, 
te Vedi me: 7 (1857); Butt. Inds i, p: P71: 
A. ranga, Moore, l.c., p. 175, t. v.a, fig. 6; Butt. 
Indies. U7: 
I cannot see how to distinguish these two supposed 
