280 DESCRIPTIONS OF AUSTRALIAN MICRO-LEPIDOPTERA, XVIII., 



39. M. aphileta^ n.sp. 



^9. 10-13 mm. Head white, seldom mixed with grey. Palpi 

 whitish, second joint dark fuscous except base and apex, tuft 

 long, subquadrangular, terminal joint dark fuscous anteriorly 

 towards apex. Antennae grey. Thorax whitish, somewhat mixed 

 with grey. Abdomen whitish-grey. Legs dark fuscous, apex of 

 joints and hairs of posterior tibia? whitish. Forewings pointed; 

 light fuscous, somewhat mixed with whitish, with scattered 

 black scales; stigmata dark fuscous or blackish, sometimes rather 

 large, plical very obliquely beyond first discal : cilia pale greyish- 

 ochreous, round apex with two indistinct fuscous lines, on costa 

 and termen with basal series of more or less distinct black dots. 

 Hindwings light grey; cilia pale greyish-ochreous. 



Adelaide, Wirrabara, and Port Lincoln, South Australia ; 

 York, West Australia; in October and November, eleven speci- 

 mens. 



40. M. argonota, Low. 



(Ypsolophus argonota, Low., Trans. Roy. Soc. S. Austr., 1901, 

 81.) 



9. 14 mm. Head and thorax white, patagia ochreous-tinged. 

 Palpi white, second joint with a pale ochreous median band. 

 Antennae whitish. Abdomen ochreous-whitish. Legs whitish, 

 anterior tibiae infuscated. Forewings long-pointed ; ochreous- 

 whitish, thinly sprinkled with fine black and dark fuscous scales; 

 a black dash-like dot on fold at J : cilia pale whitish-ochreous. 

 Hindwings grey; cilia whitish-ochreous. 



Broken Hill, New South Wales, in October. Described from 

 the type-specimen, in Mr. Lower's collection. 



41. 31. isotis, n.sp. 



(J. 12 mm. Head grey-whitish. Palpi white, second joint 

 dark fuscous except base and apex, tuft moderately long, trian- 

 gular, terminal joint dark fuscous towards apex. Antennae grey. 

 Thorax grey, whitish-sprinkled. (Abdomen broken.) Legs dark 

 fuscous, hairs of posterior tibiae grey- whitish. Forewings pointed, 



