EROmiNm. 175 



whitish. Underside much paler and more white, of a uniform clear colour, with the 

 veins of both wings black, the median vein of the forewing prominently black. 



Female. Upperside coloured like the male, but the black sparsely spread 

 irrorations in the clear interspaces give it a duller appearance, all the veins with black 

 bands. Forewing with the costal band and outer marginal band black, the latter with 

 a sub-marginal row of pale spots, connected more or less with the narrow pale streaks 

 in the interspaces, these streaks narrowing upwards, two pale blackish streaks inside 

 the cell, and one rather indistinct along the middle of the internomedian interspace. 

 Hindwing with the outer third black, some pale sub-marginal spots which become 

 obsolete hindwards, the upper four more or less connected with the pale streaks on the 

 interspaces. Underside as in the male, but the veins are more broadly blackish 

 Antennae, head, thorax and abdomen of both sexes dusky-brownish black. 



Expanse, ^ ? 3^ inches. 



Dry-season Brood (Figs. Id, ^, le, ?). 



Male. Coloured like the other form, only the median vein of the forewing black, 

 the costal and outer marginal bands much narrower. Hindwing with the outer 

 marginal band reduced to a black line, connecting small angular black marks on the 

 vein ends. Underside veins less pronounced. 



Female. Upperside with all the interspaces of both wings more broadly bluish- 

 white, the black vein bands being much narrower, and the outer marginal bands very 

 narrow. Underside with the veins paler. 



Expanse, $ $ 2^^^^ to 2/o inches. 



Habitat. — Sikkim, Assam, Bhutan and Burma. 



Distribution. — We have received it from the Khasia Hills, Buxar in Bhutan, 

 Tongou and Sikkim ; it is in the B. M. also from Burma and Tenasserim ; some of the 

 Tenasserim examples are somewhat darker than usual, but are otherwise not separable 

 from the typical form. 



PARERONIA HIPPIA. 



Plate 607, figs. 1, ^, la, ?, lb, (J, Ic, ? (Wet-season Brood), Id, $ , l&, 9 (Dry-season Brood = 



Gaea), If, ? (yellow hindwing variety), Ig, J (Extreme Dry-season Brood), Ih. (Larva), 



li (Pupa). 

 Papilio Sippia, Fabricius, Mant. Ins. ii. p. 55 (1787). Donovan, Ins. Ind. pi. 25, fig. 1, 5 (1800). 



Godart, Enc. Meth. ix. p. 193 (1819). 

 Eronia Eippia, Wallace, Trans. Ent. Soc. 1867, p. 388. Elwes, Trans. Ent. Soc. 1888, p. ilO 



Manders, Trans. Ent. Soc. 1890, p. 535. 

 Nepheronia Hippia, Swinhoe, Proc. Zool. Soc. 1885, p. 139. Davidson, Bell and Aitken, Journ. Bo. 



Nat. Hist. Soc. 1897, p. 573. Watson, id. 1897, p. 670. Mackinnon and de NicevUle, id. 



1898, p. 591. de Rhe-Philipe, id. 1902, p. 492. Fruhstorfer, Iris, 1902, p. 299. 



