BY OSWALD B. LOWER. 35 



segments. Anterior legs blackish, middle and posterior pair 

 greyish. Forewings elongate-triangular, hindmargin hardly 

 waved, bowed; ashy grey-whitish, mixed with blackish; costal 

 edge finely spotted with black; first line slender, from 1 inner 

 margin, reaching half across wing, immediately followed by a 

 second similar line; median shade indistinct; a moderately well 

 defined oblique black line from ^ of costa to just beyond middle 

 of inner margin, with two or three sharp on upper fourth; a 

 moderate thick fuscous parallel shade beyond ; subterminal 

 dentate, whitish, preceded by a similar dark fuscous line; veins 

 preceding subterminal more or less outlined with black; a waved 

 black hindmarginal line : cilia dark fuscous, with a black sub- 

 basal line. Hindwings with the hindmargin waved; colour as in 

 forewings, excepting basal half of wing, which is much lighter; 

 median shade moderate, distinct, blackish, upper third hardly 

 traceable; hindmarginal line and cilia as in forewings. 



Broken Hill, N.8.W.; three specimens, in April and August. 



Selidosema petrozona, n.sp. 



g. 30 mm. Head, thorax, palpi, antennae and abdomen 

 yellowish-ochreous, face (? fuscous) rubbed, antennal pectinations 

 6 at greatest length, abdomen with blackish segmental rings. 

 Legs fuscous, posterior pair lighter. Forewings elongate-tri- 

 angular, hindmargin gently waved, rounded ; light ochreous, 

 fuscous- tinged; costal edge narrowly fuscous throughout; first 

 line hardly traceable, lower half very obscure ; median shade 

 fuscous, traceable on lower half only; a broad oblique shade of 

 fuscous, from middle of inner margin to hindmargin below apex, 

 darker posteriorly; subterminal whitish, posteriorly edged by its 

 own width with fuscous; a tine fuscous waved hindmarginal line: 

 cilia ochreous-fuscous. Hindwings with hindmargin waved, 

 rounded; colour as in forewings, excepting basal area, which is 

 lighter; first line absent; median shade obscurely fuscous, nearly 

 straight; an elongate, blackish discal dot between shade and 

 second line; second line blackish, twice sinuate, followed bv a 



