696 REVISION OP AUSTRALIAN LEPIDOPTERA, 



8. Scol. orthotoma, n. sp. 



£. 25-29 mm. Head, palpi, and thorax fuscous, face pale 

 yellowish-ochreous. Antennae and legs light ochreous. Abdomen 

 pale ochreous-yellowish. Forewings elongate, hardly dilated, costa 

 gently arched, apex rounded, hind margin very obliquely rounded ; 

 veins 3 and 4 separate ; light brownish-ochreous, sometimes irro- 

 rated with fuscous ; a straight cloudy rather dark fuscous line 

 from § of costa to § of inner margin, more or less interrupted 

 above middle ; cilia light brownish-ochreous. Hindwings and 

 cilia light ochreous-yellowish ; a short costal fold beneath before 

 middle. 



Melbourne, Victoria ; two specimens (Coll. Lucas and Masters). 



9. Scol. pactolias, n. sp. 



(£.31 mm. Head, thorax, abdomen, and legs yellow-ochreous ; 

 palpi and antenme fuscous. Forewings elongate, posteriorly 

 dilated, costa gently arched, apex obtuse, hindmargin obliquely 

 rounded ; veins 3 and 4 stalked ; yellow-ochreous, with a few 

 scattered fuscous scales : cilia yellow-ochreous. Hindwings and 

 cilia pale yellowish-ochreous. 



Melbourne, Victoria, in April; one specimen (Coll. Lucas). 



5. Tigrioides, Butl. 



Tongue well-developed. Antennse in <J filiform, moderately 

 ciliated (1), with scattered much longer cilia. Palpi short, 

 porrected, tolerably uliform, terminal joint short. Forewings with 

 vein 2 from middle, 3 and 4 stalked, 5 absent, 6 out of 7 near base 

 or separate and sometimes connected with 7 by bar, 8 and 9 out of 

 7, 11 anastomosing with 12. Hindwings with veins 3 and 4 

 stalked or coincident, 5 absent, 6 and 7 stalked or coincident, 8 

 from about middle. 



The variations in the structure of vein 6 of the forewings all 

 occur in different individuals of the same species, and are of no 

 importance. 



