106 DR. A. G. BUTLER ON THE [Feb. 6, 



a. d. Wet pbase of male rich lavender, with moderately 



broad sharply defined blackish border ; of female 

 brown ; both sexes greyish white below, with the 

 markings very dark : dry phase rich hlacine blue, with 

 blackish margin and fringe, the female bluck-browu. 

 sprinkled with blue scales ; both sexes below brownish 



grey.. Z. argiu. 



b. Species with ill-defined seasonal forms. 



b. a. A spot within discoidal cell of front wings below, 



difccal spots sinuous. 

 b. a. a. Upper surface of male rich violet, with very broad 



dark brown outer border Z. lysimoil. 



b. a. b. Brown outer border on upper surface one third 

 narrower, fringes of all the wings frequently w-hitish 



externally Z. kni/sna. 



b.a.c. Generally smaller, with ill-defined browner outer 

 border. Males above lilac with coppery reflections, 

 outer border reduced to a dark marginal line : under- 

 side ashy, all the markings dark and well-defined ; a 

 white streak along discoidal vein of hind wings ... Z. karsandra. 

 b. a. d. Ill-defined but very dark brown outer border 

 above ; the discoidal and discal black spots below all 

 very large and white-edged, the last two or three 



discal spots of front wings wanting Z.atrigemmata. 



b.b. No spot within discoidal cell of front wings Z. gaika. 



b. c. Discal spots on underside of front wings forming a 

 nearly straight line, inner row of spots wanting from 



hind wings Z. lorquini. 



B. Hind wings with first three spots of discal series below 



forming a triangle, the first and second being almost in a 



transverse line. 



a. Discal series of markings crossing the under surface near 



to submarginal series. 



a. a. Male above dull lavender, border brown, rather 



narrow and ill-defined, markings below usually pale... Z. labradus. 

 a. b. Male above lilacine, border apparently broad and 

 diffused on apical-costal area; markings below broader 



and well-defined, but brown Z. caduca. 



a. c. Male above bluish green, with broad outer border ; 



all the markings on the underside well-defined Z. antanosaa. 



a.d. Male above often bluish green, sometimes brown; 

 the spots below small, the discal series of front wings 

 nearly straight, the inner series of hind wings very 



imperfect Z. minima. 



a. e. Male above violet, with distinct rather narrow 

 border, widening on costa of front wings ; spots below 



small Z. otis. 



a.f. Male above similar, but the border often narrower ; 



discal spots below large Z. indica. 



The following is a list of the species represented in the 

 Museum : — 



1. Zizera maha. (Plate XI. figs. 1, 2.) 



Lyccena maha, Kollar in Hiigel's Kaschmir, iv. p. 422 (1S48). 

 Polyommatus chandala, Moore, P. Z. S. 1865, p. 504, pi. xxxi. 

 fig, 5. 



Zizera ossa, Swinhoe, P.Z. S. 1885, p. ]32, pi. ix. figs. 11, 12. 

 This species appears to be strictly confined to Western India, 



