HYFOLYGMNINM ISl 



yellow. Forewing with the hinder marginal area broadly pale. Hindwing with a 

 l^lack spot in the anal lobe, with a little whitish sufi'usion on each side of it, and a short, 

 thin, black transverse line above it, a larger black sub-terminal spot in the first 

 interspace ; terminal line finely black, with some whitish on its inner side. Antennse 

 black, white beneath ; frons white, with a black middle stripe ; eyes ringed with white ; 

 head and body black above, yellow beneath. 



Female. Upperside brown. Forewing without markings. Hindwing with the 

 anal third white, its inner edge irregular, a dull brown mark on the abdominal margin 

 a third from the anal angle, a small black spot on this margin below it, a large black 

 spot in the next interspace a little inwards, another large black spot in the following 

 interspace a little outwards, followed by a small black sub-marginal spot in each of the 

 next two interspaces ; terminal line black. Cilia as in the male, brown on the forewing, 

 white on the hindwing ; tails white, with a brown middle stripe. Underside. Forewing 

 chrome-yellow, paler than in the male, and paling towards the base. Hindwing greyish- 

 white, slightly tinted with chrome-yellow at the costa and apex ; the anal spots and 

 white space as on the upperside, the spots, however, are larger and more prominent, 

 and the white space is limited by a black sinuous line which runs right across its 

 inner edge. 



Expanse of wings, $ % lyV to l^*o inches. 



Habitat. — Burma, Malay Peninsula, Java, Borneo. 



Distribution. — The type male in the B. M. came from Borneo, we have it from 

 Java, de Niceville records it from the Malay Peninsula and from the Ataran Valley, 

 Tenasserim ; our description and figures are from a male in our collection and from 

 a female in the B. M. 



INDO-MALAYAN ALLIED SPECIES. 



Manto hjpoleuca, Myrina hypoleuca, Hewitson, 111. Diurn. Lep. p. 38, pi. 17, figs. 54, 55, $ (1865). 



Habitat, Java. 

 Manto inopinata, Myrina inopinata, Butler, Ann. Mag. Nat. Hist. 1883, p. 159. Habitat, Nias. 



Genus OPS. 



Ops, de Niceville, Journ. Bo. Nat. Hist. Soc. 1895, p. 298. 



Male. Forewing, ample ; costa regularly arched throughout its length ; apex 

 rather acute ; outer margin convex ; inner angle rounded ; inner margin nearly 

 straight, slightly concave in the middle ; costal nervure terminating on the costa about 

 opposite the apex of the discoidal cell ; first sub-costal nervule arising nearer to the 

 apex of the cell than to the base of the wing, near its origin slightly bent towards the 

 costal nervure ; second sub-costal arising nearer to the origin of the first sub-costal than 

 to the upper discocellular nervule ; third sub-costal arising nearer to the apex of the 



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