Species of Indo- Malayan Heterocem. 85 



the interspaces in the lower two-thirds of the wing : hind 

 wing with two bands in continuation of the third and fourth 

 bands of! the fore wing, the pale ochreous-tinged space extend- 

 ing almost to the outer margin; a large oval subapical white 

 spot and a row of six white lunuies, three and three in 

 echelon. Underside paler and more ochreous ; a black and 

 white discoidal lunule on each wing; the subapical and 

 discal spots as above. 



Expanse of wings, ? ,4^ inches. 



Hub. Saparsea, Celebes. 



Erebus niasaiia, nov. 



<$ . Chocolate-brown; head and thorax dark brown ; abdo- 

 men brownish grey, the first two segments rilled in with 

 black-brown, nearly pure black, the next pale grey, the rest 

 of the abdomen darker grey : fore wing with a thick white 

 line, a thin band from the hinder margin one-fourth from 

 the base obliquely towards the apex curling round the discoidal 

 whorl-shaped mark, its outer side before it begins the curl 

 broadly pale grey, extending in a subdued form to the apex 

 of the wing, with some pure white patches outside the band ; 

 the ground-colour of the wing above this band very dark 

 chocolate-brown ; the black ring round the discoidal mark 

 sinuous, the inner portion is black and confused, outwardly 

 ringed with dull brownish ochreous ; a large triangular white 

 subapical spot ; some indistinct blackish discal lunuies, one 

 or two of them pricked with white : hind wing with the pale 

 grey band of the fore wing continued subbasally, followed by 

 a thin dark brown band ; a medial band, an ochreous-grey 

 discal shade with black spear-shaped marks on its outer side ; 

 a subapical white lunule and an indistinct submarginal lunular 

 line. Underside with the basal two-thirds pale and ochreous- 

 tinged ; fore wing with a subapical white spot and three in 

 the disk; hind wing with a subapical small spot. 



? . Paler than the male; the medial pale grey band ob- 

 scure ; a whitish slightly sinuous line across the disk of the 

 fore wing edged with brown, and continued across the middle 

 of the hind wing ; a large subapical spot on the fore wing, 

 with five discal white lunuies, outwardly edged with black, 

 the third and fifth with the white only indicated on the hind 

 wing ; there is an antemedial band, a white subapical lunule, 

 and a discal row of black lunuies inwardly edged with white. 

 Underside as in the male. 



Expanse of wings, $ 3A> ? ^h inches. 



Hah. Sitoli, Nias. 



