BUTTERFLIES, FROM THE INDO-MALAVAN REGION. 373 



Described from six males and four females taken in the Tilin Yaw 

 in March and April by Lieutenant Watson ; a male from the Meplay 

 Valley taken in January, a female from the Donat Range, also taken 

 in January, and another in the Thaungyin forests taken in March, 

 all by Major C. T. Bingham. 



21. ARHOPALA BASIVIIUDIS, n. sp., PL G, Fig. 22, 6 . 



Habitat: Malay Peninsula ; Borneo. 



Expanse : $ , 17 to 2*0 ; $ , 1'8 inches. 



Description : Male. Uppersiue, both wings and cilia fuscous. 

 Foreicing with the basal third brilliant refulgent metallic green, 

 occupying the discoidal cell entirely and extending slightly above 

 it, reaching to the inner margin and extending along it two-thirds of 

 its length. Hindwing with a smaller similarly- coloured basal patch, 

 which occupies the whole of the discoidal cell and extends a little 

 beyond it on all sides. Underside, both wings dark hair-brown. 

 Foreicing with the inner margin broadly a little paler ; a round spot 

 towards the base of the discoidal cell, an oval larger spot across the 

 middle, and a still larger quadrate one closing it ; above the latter 

 is a spot on the costa ; below it is a spot occupying the base of the 

 first median interspace ; a large ill-formed spot in the submedian 

 interspace below the middle spot in the cell ; the discal band consists 

 of eight well-formed spots, the band broken in the middle, the four 

 lower spots shifted inwards considerably ; the usual submarginal and 

 marginal lunular lines. Hindwing with the usual four round basal 

 spots, an oblong spot closing the cell and joined to the irregular 

 discal band and forming therewith a somewhat Y-shaped figure ; 

 marginal and submarginal lines as in the f orewing ; the anal angle 

 bearing a prominent round deep black spot, with two smaller oval- 

 shaped ones, one on each side of the tail, all three spots surmounted 

 by rich metallic green irrorations ; tail rather long, slender, fuscous 

 tipped with white. Female. Upperside, both icings as in the male, 

 but the green colour (which is of the same extent) replaced by 

 rich purple. Underside, both wings as in the male. 



This species appear* to have been twice described before, first by 

 Horsfleld as the female of A. eumolphus, Cramer, as follows: — 

 Female. Upperside, both icings " black, the greenish golden lustre 

 4S 



