( :i8() j 



}f ind wings : i-itnilar; Die cell-spot fmaller ; the exterior line more rpgiilarlv 

 denticulate. 



Underside tlie same, hut wliiter and more glossy. Face and vertex blackish; 

 palpi (?) ; thorax and abdomen like wings. 



E.xjianse of wings : 36 mm. 



One J from South .Tava, 1891, 1.^0(l feet (Frnhstorfor). 



Stibarostoma gen. nov. 



A development of Pwixera ^leyr., distinguished from it and all other of the 

 allied genera by the remarkably develoiied palpi; in these the second joint is three 

 times as long as tlie head and correspondingly stout, thickly clothed with hair 

 beneath, porrect, towards the end becoming decumbent ; third joint decumbent, 

 short and blunt, smoothly scaled ; the hind tibiae of J, as in Pevlxera, with two 

 spurs ; the hind femora simple. 



Keuration : as in Perixera. 



Type : Sllhrirosfoina f/rixeafa sp. nov. 



117. Stibarostoma griseata >p. nov. 



Forewings : greyish ochreous, covered with pinkish atoms; the costa dark 

 greyish ; first line marked by three black dots on the veins, the lower portion also by 

 a dift'use grey streak; a diffuse oblique and somewhat waved central grey shade ; 

 exterior line shown by black vein-dots on an obscure curved grey line ; followed by 

 a subterminal and marginal grey fascia, the former interrupted opposite the cell and 

 below the middle ; a marginal row of black s])ots at ends of veins and minute dots 

 between them ; fringe pale dear ochreous. 



Hindimngs : the same ; no cell-spot on either wing. 



Underside shining ochreous, tinged with flesh-coloiu- ; the central and two outer 

 lines expressed ; the marginal dots and dots of the exterior line purple, the latter 

 with the three nearest the costa close together and distinct; cell-marks just 

 indicated. Palpi whitish ochreous below, bright rosy above ; face, vertex, thorax, 

 and abdomen ochreous, the last dusted with darker, and with dark dorsal spots. 



Expanse of wings : 30 mm. 



Three SS from Cedar Bay, Cookto\ni. 



Superficially resembling P. pallida Moore, but larger and without discal .sjiots. 



SriifA.Mii.v THK IK H'TKKVti INAK. 



Coptogonia gen. nov. 



d. Foretvings : with costa curved at base and apex, faintly incurved in middle; 

 a|ie\ blunt, rectangular; hindmargin straight and vertical to below third median, 

 then sharply but sliallowly excised to above first median; the anal angle lobed ; the 

 inner margin sinuous ; vein 1 running to middle of inner margin, and there followed 

 by a rotmd hyaline blister. 



ITindvjings : as in Remodes Guen., with three lobes. 



Antennae lamellate, thickened : |ialpi porrect, twice as long as head, the second 



