BY A. JEFFERIS TURNER. 91 



7. Hindwings with vein 5 absent, 8 connected with cell before 

 middle. 



The peculiar palpi distinguish this from Hypothripa, Hmps. 

 They appear to resemble those of Arachnognatha^ Hmps., which, 

 however, has the thorax smooth, and vein 5 of hindwings present. 



ICASMA MINUTUM, n.sp. 



^. 14 mm. Head, palpi, and thorax grey, mixed with whitish^ 

 lower half of face white. Antennae dark grey. Abdomen grey; 

 first segment with a small patch of dark fuscous and whitish 

 scales. Legs whitish-grey. Forewings oblong, posteriorly dilated, 

 costa strongly arched at base, thence straight to near apex, apex 

 rounded, termen slightly rounded, slightly oblique; grey, mixed 

 with whitish, lines dark fuscous; two short lines from costa near 

 base; a suffused line from costa at 4 to inner margin at \\ two. 

 parallel closely approximated lines from costa at 4 to before 

 middle of inner margin; beyond this is an obscure whitish spot 

 representing the reniform; a fine wavy line from costa at f, first 

 outwardly, then inwardl}' curved to inner margin at |; a fine 

 dentate subterminal line, followed by a fine whitish line: cilia 

 grey. Hindwings with termen wavy, indented between veins 4 

 and 6; grey; cilia grey. 



A very small and inconspicuous species. The type is not in 

 the best condition, but the generic characters should be suflicient 

 for identification. 



Brisbane, Q.; one specimen, in July. 



Plotheia rhythmopis, n.sp. 



2. 26mm. Head grey. Palpi grey; beneath whitish; terminal 

 joint dark fuscous at base on upper surface. Antennae ochreous- 

 f uscous. Abdomen grey. Legs grey ; posterior pair whitish. 

 Forewings oval, posteriorly strongh'- dilated, costa moderately 

 arched, apex rounded, termen very obliquely rounded; grey; a 

 wavy blackish line from costa at ^ to inner margin at 1; a second 

 similar line from costa at f , obtusely angulated in disc, to inner 

 margin at 4; the disc between these lines is largely suff'used with 



