128 A LIST OF THE BUTTERFLIES OF BORNEO. 
Distribution: India to Malay Peninsula and Sumatra. 
Previously unrecorded from Borneo. The four examples 
(8 6,1 2) in the Sarawak Museum are of the violet form. 
400. Arhopala sandakani, Bethune-Baker. 
Arhopala sandakani, Bethune-Baker, Proce. Zool. Soe. 
Lond. p. 671, pl. XX XI fig. 2, $ 9( 1896) 
Sandakan and Silam. 
Also recorded from Pulo Bai and Java. 
401. Arhopala drucei, Bethune-Baker. 
Arhopala drucei, Bethune-Baker, ¢. ¢. p. 661, pl. XXX. 
Megs re) jee oe 
Mt. Kina Balu, Kuching and Quop (Sar. Mus.). Confined 
to Borneo, 
Injury. 8, a small piece removed from anal angle of each 
hind-wing, almost symmetrically. 
402. Arhopala incerta, n. sp. 
Mar. Upperside. Lustrous purple very narrowly margin- 
ed with fuscous; very closely alhed to A. drucei from which 
it differs on the upperside in being a brighter purple. Under- 
side. ‘The markings are slightly bolder than in drucei and the 
transverse band of the fore- wing is unbroken and wider than 
in that species, The 7th spot of this band in incerta is very 
small and isolated, in drucei it is large and attached to the 6th, 
Bap. 0. 6 9 im. 
Type. Male. Mt. Matang, Sarawak, March 1898 (Sar. 
Mus.). 
Besides the Type there are two examples in the Sarawak 
Museum from Kuching. 
It is possible that, when further specimens come to hand, 
intermediate forms will be found, so that incerta will have 
to be merged as a sub-species or variety of druceit. At present 
however it seems sufficiently different to merit specific distinc- 
tion, 
Injury. long bite from apex of right hind-wing just 
below the me and a similar but smaller piece removed from 
the apex of left fore-wing. 
403. Arhopala anunda, Hew. 
Amblypodia anunda, Hewitson, Ill. Diurn. Lep. Lye. p. 
14 a.m: 73, ply IIE: a, fic: 32> (sta): 
Narathura anthelus, Distant, Rhop. Malay. pl. XXIII. 
fig. 4, 9, et in parte p. 263 (1886). 
Amblypodia anthelus var. saturatior, Staudinger, Iris, 
Wools Ul, 795 122 (Ouse). 
Jour. Straits Branch 
