from the Solomon Islands. 434 



pale sandy brownish, reticulated with grey : primaries with 

 blackish costal dashes, a minute black point at the inferior 

 angle of the cell ; an oblique straight brownish streak from 

 outer third of inner margin to apex : secondaries with a 

 narrow, ill-defined, brownish central band ; a black spot at 

 the end of the cell : body pale sandy brownish, darker in 

 front. Under surface slightly paler and yellower than above, 

 reticulations less distinct, brown stripe of primaries ill-defined ; 

 band of secondaries wanting, a well-defined black spot at the 

 end of each discoidal cell ; palpi and front of pectus brownish. 

 Expanse of wings 22 millim. 

 Alu. 



Erosiida. 

 4. Erosia mutans, sp. n. 



$ . Allied to a Ceylonese species (see Moore's Lep. Ceylon, 

 pi. clxxxvi. fig. 7) of the same general tints and pattern, but 

 larger, with broader primaries and differently formed discal 

 stripe on these wings : primaries from base to discal stripe 

 pale sericeous brown, mottled with grey ; external area ash- 

 grey, mottled with slate-grey ; discal stripe whitish, changing 

 to cupreous in certain lights, straight and transverse from 

 costa to lower radial, thence acutely angulated, running in a 

 double zigzag to near external angle, its inferior extremity 

 forming the outer boundary of a subpyriform, black-bordered, 

 grey spot on the inner margin ; a submarginal series of black 

 spots bordered with whitish, changing in certain lights to 

 cupreous ; fringe similarly coloured : secondaries slate-grey, 

 with two submedian divergent streaks from the base, an 

 acutely angulated stripe beyond the middle, a sinuous sub- 

 marginal stripe and the fringe whitish, changing to cupreous ; 

 the basal area (excepting the cupreous streaks), the inner 

 border of the posterior portion of the postmedian stripe, and a 

 cuneiform patch connecting its anterior portion with the outer 

 stripe blackish brown ; submarginal stripe imperfectly bor- 

 dered externally with black : face bronze-brown ; vertex of 

 head and antennae silvery white, collar dark brown, thorax 

 and tegulae whitish ; abdomen grey, with a black transverse 

 basal stripe. Under surface wholly leaden grey, with indis- 

 tinct darker mottling on the wings ; the costa of secondaries 

 with coarse blackish fringe. Expanse of wings 24 millim. 



Alu. 



The above may belong to the group named Dirades by 

 Walker, in which the sexes differ in the shape and slightly in 



