82 nilOPALOCEHA MALAYAXA. 



This species appears to be somewhat rare in collections. The British Museum possesses 

 cue female specimen, which was captured at Singapore, and which is not only here figured, 

 but is also the only one I have examined. Prof. Westwood* records a second specimen as 

 collected at Mount Oplnr by Mr. D. Wallace ; and a third, from Cambodia, is contained in 

 the Hewitsouian collection. 



This is not only a beautiful but also an aberrant species, it being quite destitute of ocellated 

 spots, a character which Prof. Westwood was reasonably of opinion should warrant its subgeneric 

 separation. The wings are also semidiaphanous, thus allowing the fasciae beneath to be visible 

 above. 



Genus XANTHOTiENIA. 



Xanthotmiia, WesUvood, Trans. Eut. Soc. ser. 2, vol. iv. p. 187 (1858). 



Anterior wings subtriangular, the costal margin moderately arched, the apex rounded, the outer 

 margin moderately convex, the inner margin nearly straight. First subcostal nervule emitted a little 

 before the end of cell, and terminating a little beyond costal nervm-e ; second and third subcostal nervules 

 emitted some little distance apart,! the second a little before the apex of the first, fourth emitted a short 

 distance from the third, fourth and fifth with a common origin. Lower disco-cellular nervule very long 

 and obliquely sinuate. Discoidal nervules well separated at their origin. First median nervule not 

 prominently arched nor angulated at base. Posterior wings subovate and elongate, somewhat attenuated 

 towards anal angle. Discoidal nervule (the base of which is homologous to an upper disco-cellular ner\Tile) 

 emitted some distance from the bifurcation of the subcostal nervules. Discoidal cell with the apex 

 entirely open. 



Only one species of this interesting genus is at present known, and which is here 

 enumerated. The habitats of this species must therefore be taken as representing the 

 geographical area of the genus. 



1. Xanthotaenia busiris. (Tab. V., fig. 7.) 



CUrome [XanthoUcnia] Busiris, Westwood, Trans. Eut. Soc. ser. 2, vol. iv. p. 187, u. G (1858). 

 Clerome busiris, Druco, Proc. Zool. Soc. 1873, p. 3-11, u. 4. 



Xiinthotcinia busiris, Butl. Trans. Liun. Soc. ser. 2, Zool. vol. i. p. 538, n. 1 (1877) ; Moore, Proc. Zool. Soc. 

 1878, p. 827. 



Male. Wings above reddish ochraceous ; anterior wings with an oblique, pale ochraceous fascia 

 crossing wings at end of cell, and terminating between second and third median nervules a little before 

 outer margin ; beyond and beneath the apex of this fascia the colour is dark chocolate-brown, of which the 

 outer margin is paler ; and with a pale whitish subapical spot situate above the upper discoidal nervule. 

 Wings beneath much paler, but variable in intensity of hue. Anterior wings marked as above, but the sub- 

 apical whitish spot having above a very small oue of the same colour, and beneath an ocellated spot with a 

 white centre and- yellowish margin, situate between the discoidal nervules, and two small and obscure 

 whitish spots, situate one on each side of the first median nervule. Discoidal cell crossed by a much-waved 

 and angulated dark line. Posterior wings with two strongly waved and sinuated dark lines, enclosing 

 a pale irregular fascia,, commencing at costa a short distance from base, where it is narrowest, crossing 



■''■ Trans. Ent. Soc. ser. '2, vol. iv. p. ISO. 



+ Prof. Westwood states, " (lie third aud fourtli branches of the post-costal vein of the fore wings rise a moderate distance 

 apart." This, however, appears to me to be the second aud third. 



