252 LYCANID. ARHOPALA. 
Western Himalayas, it occurs in oak woods in the outer ranges up to about 9,000 feet. It is 
much rarer in Sikkim, which may be its eastermost range in the Himalayas. Mr. Otto 
Moller has specimens taken in Sikkim in April and July. I possess the following specimens 
taken by Major C. T. Bingham in Upper Tenasserim :—a male from the Meplay valley taken 
in January, a female from the Donat range taken in the same month, and another female 
taken in the Thoungyeen forests in March. All area little larger than typical specimens of 
A. rama, the purple coloration of the upperside in both sexes is more extensive, the ground- 
colour of the underside is paler, the discal band in the forewing broader and more regular. 
All these differences are very slight, and do not in my opinion warrant the description of this 
local race as a distinct species. A. japonica, Murray, from Japan, isa very close ally of 
A. vama, but entirely lacks tails. Mr. Leech records 4, sama from Kiukiang in China, 
and says that it ‘seems to be fairly plentiful in July.” 
808. Arhopala asoka, de N. 
Nilasera ? asoka, de Nicéville, Journ. A. S. B., vol. lii, pt. 2, p. 78, n. 19, pl. ix, figs. 6, sale ; 6a, female 
(2883) ; Satadra chola, Moore, Journ. A. S. B., vol. lili, pt. 2, p. 39 (1884). 
Hasitrat: Sikkim. 
EXPANSE: ¢, 1°75 to 1°90; 9, 1°80 inches. 
DESCRIPTION: “MALE. UPPERSIDE, o/h wings dark glossy purple, the costa and outer 
margin of the forewing narrowly black, the costal, outer, and abdominal margins of the Aindwing 
more widely black. Zaz? long, narrow, black with white tip, UNDERSIDE, forewing witha 
pale line across the middle of the cell (sometimes absent), a spot near the end of the cell variable 
in size and shape, a quadrate spot from the second-fifth of the first median nervule to the inner 
margin, 4 chain of square spots divided only by the nervules beyond the cell from the costa 
to the first median nervule, the third lower spot being posteriorly lengthened towards the outer 
margin, the two following it rectangular, thus giving the chain a broken appearance at the third 
median nervule—all these markings placed on a rich dark brown ground; the apex and 
decreasingly to the first median nervule paler and glossed with violet, inwardly sharply de- 
fined, the outer margin dark brown at the apex, paler towards the inner angle. Hindwing 
with the base of the wing rich dark brown, with an even pale violet streak from the costa to the 
base above the cell ; a discal irregular dark brown band placed on a pale violet ground, and 
other paler irregular markings beyond; a submarginal lunulated line and three black spots be- 
yond it at the anal angle almost covered with brilliant green iridescent scales. FEMALE, 
UPPERSIDE, forewing black ; with the cell (all except its extreme end), the basal half of the 
lower discoidal, median, submedian, and internal interspaces iridescent light ultramarine blue. 
fHindwing with the middle and base of the wing blue as in the forewing. UNDERSIDE, 
both wings with the markings as in the male.” 
“The markings of the underside of the forewing of this species are nearest to the 
Amblypodia diardi of Hewitson, they differ largely, however, in the hindwing.” (de 
Nicéville, 1. c.) 
Certainly the commonest ‘‘ hair-streak” in Sikkim. Mr. Otto Miéller possesses speci- 
mens dated end of June and July. It appears to bea strictly local species. I have no record 
of its occurrence elsewhere. 
I append as a foot-note* the description of this species which was published by Mr. Moore, 
almost immediately after my description had appeared (March 6th as against June 3oth, 1884). 
* Satadra chola, Moore, Journ. A. S, B., vol. liii, pt. 2, p. 39 (1884). Hasitat: Sikkim. Expanse : 
Male and female, 1‘6 inches. Description: “ Closely allied tos. aveste, Hewitson. MALE. Uppersipg, 
both wings of a comparatively darker purplish-blue, the marginal black borders being one half less the width. 
UNDbERSIvE, forewing more dusky olive-brown in colour, with much narrower whitish cell-streak, quadrate 
spot beneath it, and transverse discal band, the outer band being more defined. Mimdwing with similarly 
disposed markings, except that the subbasal band is very broad and entire (not macular as in S. aveste), and 
the markings are all of a dark somewhat aenescent-brown, with pale pinkish-white borders, and the inter- 
spaces pale pinkish-violet colour (not grey as in S. aveste) ; at the anal angle is a marginal black spot, and 
another between the second and first median nervules, both spots and the intervening marginal space speckled 
with metallic green scales. FEMALE. Urpersipe, doth wings also have the blue area extending comparatively 
more over the disc than in S. areste.”’ Unpersipr, doth wings asin the male, (Moore, |. c.) 
‘The type specimens of both sexes of S, cho/a are in my Collection. 
