BY E. MEYRICK, B.A., F.E.S. " 847 



and abdomen ochreous, mixed with ochreous-whitish. Legs whit- 

 ish-ochreous, posterior tibias with middle-spurs absent. Forewings 

 with costa straight, posteriorly slightly arched, hind margin 

 somewhat bowed, very oblique ; pale whitish-ochreous, sprinkled 

 with ochreous-fuscous ; basal I suflused with yellow-ochreous, 

 irrorated with fuscous ; median indistinct, straight, fuscous, suffused 

 with yellow-ochreous from | of costa to middle of inner margin ; 

 an obscure grey discal dot on this ; second line well defined, 

 fuscous, almost straight, from' I of costa to f of inner margin ; 

 subterminal very indistinct, fuscous ; an interrupted dark fuscous 

 hind marginal line : cilia whitish-ochreous, suffused with dark 

 fuscous except at base and apex. Hindwings nairow, apex 

 broadly rounded, hindmargin appearing almost straight (in reality 

 the apparent anal angle is formed by an obtuse bend of the hind- 

 margin on vein 3, the lower part of hindmargin being almost 

 continuous with the very short inner margin, the true anal angle 

 almost obsolete) ; veins 6 and 7 stalked ; ptvle whitish-ochreous, 

 posteriorly sprinkled with fuscous ; median, second, and subter- 

 minal lines fuscous-grey, indistinct, parallel to apparent hindmargin, 

 median marked with a cloudy dark fuscous discal dot ; cilia pale 

 whitish-ochreous, obscurely dotted with fuscous. 



Geraldton, West Australia ; one specimen in November. 



11. Ac. jjachydetis, n. sp. 



/J. 15 mm. Head ochreous-whitish, face blackish. Pal[)i 

 ochreous-whitish, apex blackish. Antennae whitish, serrate, 

 ciliations 2. Thorax, abdomen, and legs ochreous-whitish ; 

 anterior legs infuscated, posterior tibiae very short, loosely short- 

 haired above, tarsi J. Foi-ewings with costa slightly arched, 

 hindmargin bowed, oblique ; ochreous-whitish, with a few scattered 

 black scales ; lines cloudy, rather dark grey, irrorated with black ; 

 first hardly traceable ; median almost straight, from beyond middle 

 of costa to middle of inner margin, closely followed by a black 

 discal dot ; second from f of costa to | of inner margin, slightly 

 waved, somewhat curved, sinuate inwards above inner margin ; 



