ON NEW AND LITTLE-KNOWN BUTTERFLIES, 271 



discoidal cell, anteriorly bounded by trie third median nervule, 

 posteriorly extending slightly beyond the first median nervule. 

 Hindwing much broader than in the male, the outer margin between the 

 terminations of the second and third median nervules produced into a 

 blunt tail-like projection bearing a black spot on the underside ; with 

 faint traces of a series of submarginal bluish- white lunules, and a 

 marginal very fine white line. Underside, both wings much as in the 

 male, except that the discal white band on the forewing is posteriorly 

 much wider. Cilia white, here and there touched with fuscous, 

 almost entirely fuscous on the anal half of the hindwing. 



The female is here described for the first time. Its nearest ally is 

 probably my S. solyma from Perak,* which, however, has the white 

 spot on the upperside of the forewing bordered with rich iridescent 

 emerald-green, and in some lights is suffused throughout with this 

 beautiful colour, thereby greatly differing from the present species. 

 The markings of the underside, however, are entirely different. 



I am indebted to Lieutenant James M. Burn, R. e., for the gift of 

 specimens of both sexes of this species taken in the Katha district of 

 Upper Burma at 800 feet elevation above the sea in March and 

 November. 



9. OYANIRIS COSS^A, n. sp., PI. 0, Figs. 14, $ ; 15, 9 . 



Habitat : N.-E. Sumatra ; W. Java. 



Expanse : $, $ , 1*2 to 1*4 inches. 



Description : Male. Upperside, both wings shining somewhat 

 iridescent bluish-purple of exactly the same shade as in the common 

 C. puspa, Horsfield. Forewing with the costa as far as (or even a 

 little beyond) the subcostal nervure, the apex widely, the outer margin 

 less widely, black. Cilia fuscous, barely tipped with white. Hindwing 

 with the costa broadly, the outer margin broadly, but slightly decreas- 

 ingly, black ; an oblique powdery white fascia divided by the 

 black veins commences at the apex of the wing and ends about 

 the termination of the discoidal cell ; this fascia is more promi- 

 nent in some specimens than in others ; the upper disco-cellular 

 nervule marked with a black line. Cilia rather more prominently 



* Journ. A. S. B., toI. bdii, pt. 2, p. 29, n. 25, pi. iy, fig. 10, female (1894). 



