1576 DESCRIPTIONS OF AUSTRALIAN MICRO-LEPIDOPTERA, 
589. (119a.) Oen. heptarcha, ii. sp. 
25 mm. Head, palpi, and thorax dark fuscoiis irrorated with 
white. Antennae whitish-grey. Abdomen ochreous-yellowish. 
Legs dark fuscous irrorated with white, posterior pair ochreous- 
yellowish. Fore^vings very elongate, costa moderately arched, apex 
round-pointed, hindmargin extremely obliquely rounded ; dark 
fuscous-grey, thinly sprinkled with white ; a short cloudy dark 
fuscous mark from costa near base ; a cloudy dark fuscous oblique 
spot on costa at followed by a cloudy whitish suffusion, tending 
to be faintly produced posteriorly so as to enclose a very elongate 
semi-oval slightly darker space on costa beyond middle ; a black 
dot in disc at J, a second on fold rather obliquely beyond it, a 
third beyond and slightly above first, a fourth beyond third, a fifth 
beneath fourth, a sixth beyond fifth, and two others transversely 
placed in disc at |, beyond and above sixth : cilia grey, somewhat 
mixed with grey- whitish. Hind wings rather light grey, tinged 
with ochreous ; cilia pale whitish-ochreous, base more yellow- 
ochreous. 
Geraldtown, West Australia ; one specimen in November. 
Placocosma, Meyr. 
590. (122a.) Flac. meridarclia, n.sp. 
25 mm. Head ochreous-white. Palpi ochreous-white, lower 
half of second joint dark fuscous. Antennse dark fuscous. Thorax 
dark fuscous, apex of patagia white. Abdomen ochreous-yel- 
lowish, segments suflfused with dark gi’ey towards base. Anterior 
legs dark fuscous ringed with yellowish, middle legs light ochreous- 
yellowish ringed with dark fuscous, posterior legs ochreous-yel- 
lowish. Forewings elongate, costa gently arched, apex obtuse, 
hindmargin obliquely rounded ; white, suffused with pale ochre- 
ous-yellowish except on margins of markings ; four moderate 
rather irregular dark fuscous fasciae, somewhat dilated on costa ; 
first from base of costa, second from § of costa, confluent on 
lower half and i-unninsr to about : of inner margin : third from costa 
