840 REVISION OF AUSTRALIAN LEPIDOPTERA, 



with postmedian and subterminal white lines ; a suffused reddish- 

 brown fascia, irrorated with blackish, extending along lower | of 

 hindmargin ; hindmarginal line and cilia as in forewings, but cilia 

 becoming pale ochreous-yellow round apex. 



Melbourne, Victoria ; one specimen received from Dr. Lucas. 



50. Hydr. orthrojns, n.sp. 



9. 28 mm. Head, palpi, and thorax brownish-ochreous, 

 sprinkled with whitish ; palpi 2. Antennte fuscous-whitish. 

 Abdomen and legs fuscous-whitish irrorated with fuscous. Fore- 

 wings triangular, hindmargin hardly waved, somewhat bowed, 

 rather oblique ; brownish-ochreous, faintly reddish-tinged, suffused 

 with pale grey and densely irrorated with fuscous, forming 

 numerous obscure slightly waved lines ; median band slightly 

 darker, limited by very obscure slender interrupted whitish lines, 

 anterior from \ of costa to 5 of inner margin, somewhat curved, 

 posterior from | of costa to | of inner margin, slightly curved, not 

 projecting ; subterminal line indicated by faint whitish dots : cilia 

 brownish-ochreous mixed with dark grey (imperfect). Hindwings 

 with hindmargin waved, rounded ; colour and markings as in 

 forewings, but dark lines of median band more marked, and costal 

 I of wing wholly suffused with whitish. 



Mount Kosciusko (4500 feet), New South Wales ; in January, 

 one specimen. 



51. Hydr. microcyma^ n.sp. 



(J9. 21-22 mm. Head whitish-ochreous. Palpi 1^, whitish- 

 ochreous, irrorated with dark fuscous. Antennae ochreous-whitish, 

 in (J rather stout, tolerably filiform, ciliations ^. Thorax whitish- 

 ochreous, anterior margin dark purple-fuscous. Abdomen whitish- 

 ochreous, with a double series of dark fuscous dots on back. Legs 

 ochreous-whitish, anterior and middle pairs irrorated with dark 

 fuscous. Forewings triangular, hindmargin rather strongly waved, 

 bowed, rather oblique ; whitish-ochreous, more ochreous posteriorly 

 and along costa, with numerous regular waved light greyish-fuscous 

 transverse lines ; a dark purple-fuscous streak along anterior half 



