( 161 ) 



Demrij)tiun of a New Species of A.TTACUS : by Arthur G. 

 Butler, F.L.S., &c. 



Aftariifi Athnrhiiis^ n. sp. 



$ Allied to A. hanJiinia' from Senegal, but much larger, the 

 wings much less falcate and broader ; tlie ocellated spots more 

 rounded, not touching the discal white band ; the submarginal 

 chain-band uniform in colour ; the white patch on internal area 

 of primaries restricted, and forming a sub-basal quadrate patch ; 

 wings above plum-colour irrorated with white, especially over 

 the basal two-thirds, the latter 1 )ouuded by a white band, bordered 

 within with chocolate lirown, strongly arched on each wing, 

 and widening from the costal to the inner margins ; a large 

 central rounded hyaline patch on each mng, bordered with 

 white, sordid sulphur yellow and l)lack ; discal area rather 

 brighter than the remainder of the groTind-colour, excepting 

 near apex of primaries where it becomes j^early grey ; an irregular 

 submarginal clay-coloured apical patch bordered infernally by a 

 carmine and white undulated line, the latter terminating in a 

 large oval black spot irrorated at its internal or smaller end 

 with white ; outer border broadly testaceous, interrupted inter- 

 nally by ten or eleven brown-edged sordid testaceous elliptical 

 spots in couples ; secondaries with the outer border undulated 

 internally, intersected by a lunulate Ijrown line, above the sinuations 

 of which is a series of elliptical blackish spots ; basal area (corres- 

 puuding with a quadrate patch on internal area of primaries) 

 snow white ; head and thorax plum-c()k)ur, varied with greyish 

 liairs ; palpi, antennaj and legs olive l)rown, sides of meso- and 

 nieta-thorax below white ; abdomen above and below snow- 

 white, banded with red-brown ; wings below much more densely 

 irrorated with white ; interno-basal area of primaries, and base 

 of coslal area of secondaries snow-white, otherwise as aliove ; 

 expanse of wings 5 inches, 1 line. 



Atbara, Abyssinia. 



