796 DESCRIPTIONS OF AUSTRALIAN MICRO-LEPIDOPTERA, 



streaks, forming narrow oblique fasciae : a small indistinct spot 

 towards middle of inner margin ; an indistinct subtriangular 

 costal suffusion towards apex ; a row of small very indistinct 

 somewhat confluent spots before hindmargin : cilia ochreous- 

 whitish. Hindwings grey-whitish ; cilia ochreous-whitish. 

 Sydney, New South Wales, in October ; three specimens. 



472. Cross, thetias, n. sp. 



Minor, alls ant. albidis, punctis disci triljus serieque sub- 

 marginali nigricantibus ; post, exalbidis. 



(J. 13 mm. Head, palpi, antennae, thorax, abdomen, and legs 

 whitish ; second joint of palpi externally grey ; anterior margin 

 of thorax narrowly grey ; anterior and middle legs suffused with 

 grey. Forewings elongate, narrow, costa slightly arched, apex 

 round-pointed, hindmargin extremely obliquely rounded ; white, 

 slightly greyish-tinged ; a blackish dot in disc before middle, a 

 second on fold slightly beyond first, and a third in disc at f ; a 

 row of blackish dots before hindmargin and apical part of costa, 

 terminating in two larger dots on anal angle : cilia whitish. 

 Hindwings grey- whitish ; cilia whitish. 



Sydney, New South Wales ; one specimen in November. 



473. Cross, amopa, n. sp. 



Minor, alis ant. saturatius purpureo-griseis ; post, luteolis, 

 apice vix griseo. 



^ 5. 16-17 mm. Head mixed with pale yellowish and grey. 

 Palpi grey, edges whitish-yellowish. Antenna? dark grey. Thorax 

 purplish-grey, sometimes with some whitish-yellowish scales 

 towards centre. Abdomen whitish-yellowish. Legs dark fuscous, 

 posterior pair whitish-yellowish. Forewings elongate, narrow, 

 costa posteriorly gently arched, apex tolerably acute, hindmargin 

 slightly sinuate, extremely oblique ; rather dark purplish-grey : 

 cilia purplish-grey, towards anal angle yellowish-tinged. Hind- 

 wings pale greyish-yellowish, towards apex somewhat greyer ; 

 cilia whitish-yellowish. 



Quorn, South Australia, in October ; three specimens. 



