BY E. MEYKICK. 



141. Thud, circumdatella, Walk. 



(J. 15-16 mm. Head whitish, sides and forehead brownish- 

 ochreous. Palpi with second joint exceeding base of antennae, 

 terminal joint J; whitish, mixed with ochreous-fuscous. Antennas 

 ochreous-whitish. Thorax whitish, patagia brownish-ochreous. 

 Abdomen ochreous-whitish. Legs white, anterior femora, tibiae, 

 and basal joint of tarsi dark fuscous. Forewings elongate-oblong, 

 costa moderately arched, apex obtuse, hindmargin straight, 

 oblique ; snow-white ; a suffused brownish-ochreous streak along 

 basal half of costa, attenuated and very indistinct posteriorly ; a 

 straight brownish-orange subdorsal streak from base to anal angle, 

 upper edge with short triangular projection near extremity : cilia 

 ochreous-whitish, basal half brownish-orange. Hindwings 

 ochreous-grey-whitish ; cilia ochreous-whitish. 



Sydney, New South Wales ; in October and March, three 

 specimens. 



142. Thud, heterastis, n.sp. 



(J. 16-20 mm. Head and thorax orange or orange-yellowish. 

 Palpi with second joint somewhat exceeding base of antennie, 

 terminal joiiit 1 ; whitish, more or less inf uscated except towards 

 base. Antennae whitish-ochreous. Abdomen pale whitish-ochreous. 

 Legs ochreous-whitish, anterior femora and tibiae dark fuscous, 

 middle tibiae yellow or orange. Forewings elongate-oblong, costa 

 gently arched, apex rouudpointed, hindmargin faintly sinuate, 

 oblique ; snow-white ; a moderate orange streak immediately 

 beneath costa from base to costa near apex, sometimes obsolete 

 beyond § ; a rather broad orange streak along inner margin to 

 anal angle, becoming suddenly subdorsal on basal fourth and not 

 quite reaching base, usually more or less wholly suffused with dark 

 fuscous, posteriorly attenuated ; a transverse orange streak 

 suffused with dark fuscous, from subcostal streak at f to middle 

 of dorsal streak, forming an obtuse-angled zigzag in middle, 

 sometimes interrupted or wholly absent; a straight orange streak, 

 suffused with dark fuscous, from costa near apex to anal angle. 



