BY OSWALD B. LOWKR. 17 



whitish externally. Forewings elongate, dilated posteriori}', costa 

 nearly straight, hindmargin obliquely rounded ; white, slightly 

 ochreous-tinged; a fine blackish dot at base in middle; two narrow 

 elongate, partly connected, fuscous spots along costa, extending 

 from base to before middle and followed on costa by a pale fuscous 

 suffusion to |, terminated by a small dark fuscous spot; a large 

 erect irregular somewhat cuneiform bluish-fuscous patch; from 

 inner margin before anal angle to more than | across wing, apex 

 obtuse; a narrow inwards-curved whitish-ochreous discal lunula, 

 finely edged with black; a moderate somewhat rhomboid pale 

 bluish patch ivmmediately beyond, containing two black teeth, 

 their apices directed inwards, on posterior edge, below which the 

 bluish colour is continued as an irreijular streak to anal angle, 

 hindmarginal area beyond chocolate, with a suffused patch of 

 ground-colour on costa; a hindmarginal row of dentate black dots 

 edged posteriorly by fine dots of ground-colour : cilia chocolate, 

 tips mixed with whitish. Hindwings pale yellow, broadly suffused 

 with light fuscous round hindmargin ; cilia yellowish- ochreous 

 with a fuscous parting line, except towards anal angle. 

 Broken Hill, N.S. Wales ; one specimen in January. 



Britha C?) cosmopis, n.sp. 



2- 23 mm. Head, palpi, and anterior legs fuscous, antenn.-B 

 ochreous. Thorax ochreous-fuscous, median third silvery-white. 

 Abdomen yellow, becoming ochreous-whitish on anterior segments. 

 Forewings triangular, costa nearly straight, hindmargin hardly 

 bowed; ochreous-fuscous; a thick dull leaden-metallic streak along 

 costa from base to apex, attenuated posteriorly, shaded beneath 

 by more than its own width with light ochreous, suffused at 

 extremities; a very broad silvery-white streak along inner margin 

 from base to anal angle, suffused with pale ochreous along extreme 

 inner margin and edged above by a line of darker ochreous-fuscous; 

 two small silvery-white cuneifoi'm spots just above extremity of 

 this streak, upper one largest; a fine curved blackish line from 

 beneath costa just below apex to upper extremity of silvery-white 

 streak ; hindmarginal ai'ea beyond bluish-leaden with a faint 



