542 MR. A. G. BUTLER ON THE [DeC. 4, 



9. On the Lepidoptera of Christmas Island. 

 By A. G. Butler. 



[Eeceived October 15, 1888.] 



The Lepidoptera obtained by Mr. Lister are represented by forty- 

 five specimens referable to ten species : unfortunately some of these 

 are more or less injured ; but, with one exception, all tbe species are 

 perfect enough for identification and description : they are equally 

 divided between tlie Rbo])alocera and Heterocera, though the former 

 are more numerous in individuals. 



The types are Lido-lNIalayan in character, but the species are 

 hardly numerous eiiougli to enable one to assert that the fauna more 

 nearly approaches that of one island than another. 



RHOPALOCERA. 



NYMPHALIDiE. 



euplcein^. 



1. Vadebra MACLEARI. 



Vadehra macleari, Butler, Proc. Zool. Soc. 1887, p. 522, fig. 4. 



Sixteen male s])ecimens obtained on the beach in Flying-Fish Cove 

 and on the shore-reef, on October 1st and 3rd. 



In all probability the female is on the wing a week later than the 

 male, and consequently was not seen. 



Nymphalin^. 



2. Hypolimnas listeri, n. sp. 



J . Rather smaller and with comparatively longer costa to the 

 primaries than the male of H. alcmene of Java ; the fringes of the 

 wings less prominently white ; on the under surface the basal area 

 of the primaries is bright orange tawny, there is an oblique abbre- 

 viated white band beyond the cell as in //. nerina of Queensland ; the 

 fourth and fifth whitish spots of the externo-discal series are absent, 

 the submarginal lunulated spots on all the wings and the discal series 

 of bluish spots on the secondaries are much less prominent, and the 

 white band connecting the costal and anal spots is almost entirely 

 obliterated ; the apical area of the primaries and basal area of the 

 secondaries are paler. Expanse of wings 75-87 millim. 



5 . Most like the female of D. nerina ; the abbreviated white band 

 on the primaries being equally prominent and the tawny patch 

 rather more so ; the discal series, however, consists of a few minute 

 bluish points ; the secondaries show no trace of the large white 

 patch of D. nerina, but occasionally there is a small central squa- 

 mose blue spot on these wings ; the submarginal and marginal blue 

 spots are present though indistinct. The under surface agrees with 

 that of tlie male excepting that the orange basal area of the pri- 

 maries is more extensive ; the externo-discal series of spots complete 



