132 MR. G. T. BETHUNE-BAKER : A REVISION OF THE 



Aehopala hewitsoni n. sp. (Plate III. fig. 9, 8 ; Plate V. figs. 23 & 23 a.) 



Hob. India ; base of Himalayas from Dehra Dun to Bhutan ; Malda and Chota 

 Nagpur Districts ; Central Provinces ; Calcutta ; Orissa ; Nilgiris ; Burma. 



Expanse, d 35, $ 38 mm. 



8 . Upperside : primaries dull lilac, with costa narrowly dark brown, and a very 

 dark brown posterior margiu. Secondaries darkish brown, with a lilac-blue patch 

 situated just over the discoidal cell. Tail brown, white-tipped. Underside pale 

 greyish brown, with a somewhat shining pale lilac tinge, spots darker, palely encircled. 

 Primaries with three small discal spots increasing in size ; beneath the second and third 

 are two spots separated by the lower median nervule, and on the costa, a little forward 

 of the third, is another small one; transverse fascia continuous, gently arched; fifth 

 and sixth spots inwardly inclined, seventh spot detached and obscure ; submarginal row 

 obscure but dark, and followed by a darker shading up to the margin ; submedian area 

 paler. Secondaries more tinged with lilac, with four very small dark basal spots, the 

 fourth paler and obscure and shifted inwards, followed by three small spots, the upper 

 two dark, the lowest paler and obscure ; cell closed by a larger spot, below which is a 

 small triangular one ; transverse fascia-spots — first and second almost confluent, the 

 second rather the larger, the third and fourth confluent and shifted right outwards 

 though not quite detached, fifth shifted inwards, sixth outwards, seventh shifted well 

 inwards, detached from the eighth, which is small and really forms a fourth lowest spot 

 beneath the three middle ones ; submarginal band darker, and followed by a darker 

 shading up to the margin ; a very dark spot on the lobe, followed by a scanty 

 scattering of greyish scales mixed with a few metallic-bluish ones on the margin almost 

 to the second median nervure. 



$ . Upperside : both wings brown : primaries with a darker patch at the apex of 

 the cell, and a largish brighter lilac-blue patch occupying the discal, central, and sub- 

 median areas, but not below the submedian nervure ; secondaries uniform brown. 

 Underside as in the male, but spots and fascia a little more distinct. 



This species has hitherto passed as A. atrax Hewitson. That author described two 

 distinct species under that name. The male being described first, as usual, the name 

 of atrax must attach to it, Hewitson's type of which is in the National Collection. 

 The female described by Hewitson is this species, both sexes of which are now quite 

 common, and are mentioned and re-described by de Niceville in his ' Butterflies of 

 India ' (vol. iii. p. 246). The colour of the upperside alone easily separates it from 

 atrax, which latter is very decidedly brighter and bluer than the present species, which 

 is of a very obscure violet colour. The genitalia do not call for special remark, and are 

 figured on Plate V. figs. 23 & 23 a. 



