PLEBEIN^. 31 



POLYOMMATUS YAEKUNDENSIS. 

 Plate 648, figs. 1, (J, la, ?, lb, (J, Ic, ^ (Wet-season Brood), Id, ^ , le, ? (Dry-season Brood). 



Poltjommatus yarJcundensis, Moore, Ann. Mag. Nat. Hist. 1878, p. 229 ; id. Sci. Res. Second Yarkand 



Miss. Lep. p. 6, pi. 1, fig. 8 (1879). 

 Lycsena yarJcundensis, de Niceville, Butt, of India, iii. p. 75 (1890). 

 Polyommafus kashgharensis, Moore, Ann. Mag. Nat. Hist. 1878, p. 230 ; id. Sci, Res. Second Yarkand 



Miss. Lep. p. 5, pi. i. fig. 7, ^ (1879). 

 Lycsena hashtjharensis, de Niceville, I.e. 

 Lycsena icarus, Bingham (part), Fauna of Brit. India, Butt. ii. p. 339 (1907). 



Wet-season Brood = yarJcundensis (Figs. \,-$, la, ?, lb, $, Ic $). 



Imago. — Male. A local form of P. icarus. Upperside of a beautiful lilacine-blue 

 with a ricli satiny lustre, terminal line black. Cilia white with a brownish basal 

 band, some darker blue scaling at the base of both wings. Underside grey with 

 blue-green scaling at the base of both wings and along the abdominal portion of the 

 hindwing ; spots black, ringed with white. Furewing with a spot in the middle of the 

 cell, a lunule at the end, and a discal series of seven spots, the lowest two small and 

 geminate ; the series even, and well curved outwards above its middle. Illndicuiy with 

 a pale brown lunular mark at the end of the cell, four sub-basal spots in a line, a well 

 curved discal series of six spots ; both wings with terminal brown line, sub-terminal 

 brown lunules, and between them a series of small pale brown spots surrounded with 

 whitish, those on the forewing rcore or less obsolescent. Antennae black, ringed with 

 white ; head and body blackish above, covered with blue hairs, white beneath. 



Female. Upperside dark brown with a purplish tint, some blue scaling at the 

 base, and sub-terminal series of four or five orange spots above the lower angles of 

 both wings, those on the hindwing capped with obscure black lunules, and having black 

 spots in them which are edged on the terminal side with white. Cilia white with 

 blackish basal band. Underside dark grey with a pinkish-ochreous tint, with some 

 basal blue scales, spots arranged as in the male, but in the forewing there is an extra 

 spot immediately below the spot in the centre of the cell ; the sub-terminal markings on 

 both wings are very prominent and contain a series of orange spots below the sub- 

 terminal lunules. 



Expanse of wings, $ lj% to 1^-^, ? 1^^ to 1 f% inches. 



Dry-season Brood = kasligarensis (Figs. Id, $, le, '^). 



Male. Upperside similar to the Wet-season form, but the colour brighter with a 

 slight lavender tint, the costal space of the hindwing suffused with blackish. Under- 



