18 Transactions. — Zoology. 



grey, in male moderately bipectinated. Thorax with angles 

 subpromiuent, moderate anterior and small posterior crests ; 

 hght reddish-ochreous, or light grey irrorated with white, with 

 a black angulated anterior line, patagia with obscure black 

 submarginal lines. Abdomen and legs whitish, irrorated with 

 ochreous or grey. Fore wings moderately dilated, costa almost 

 straight, apex obtuse, hiudmargin waved, obliquely rounded ; 

 pale reddish-ochreous, or grey, more or less ochreous-tinged, 

 more or less suffusedly irrorated with white ; veins irrorated 

 with blackish ; a short black sinuate median streak from base ; 

 spots black-margined, orbicular roundish, claviform semicircular, 

 reniform curved oblong, not margmed with black on posterior 

 edge ; lines indistinct ; subterminal pale or whitish, hardly 

 waved, suffusedly margined with dark fuscous, except at extremi- 

 ties and on a single tolerably acute dentation below middle, 

 preceded on submedian fold by a short longitudinal black streak ; 

 an interrupted black hindmargiual line : cilia ochreous or grey, 

 mixed with white and black. Hiudwiugs grey, base somewhat 

 lighter ; a dark grey hind-marginal line ; cilia whitish, with a 

 grey line. 



Wellington, Christchurch, Eakaia, Lake Guyon, probably 

 everywhere ; from August to March, very common. 



24. Mam. agorastis, n. sp. 



Male, female. — 35 mm. Head, palpi, and thorax reddish-fus- 

 cous ; thorax mth small anterior and median crests. Antennae 

 fuscous, in male with rather short strongly ciliated pectinations. 

 Abdomen grey, anal tuft light reddish. Legs reddish-fuscous, 

 irrorated with ochreous whitish. Forewings moderately dilated, 

 costa almost straight, apex obtuse, hindmargin waved, obliquely 

 rounded ; rather dark reddish-fuscous, lines greyish-tinged, 

 edged with dark reddish-fuscous, tolerably defined ; clavi- 

 form small, obscure, greyish ; orbicular and reniform dark grey, 

 margined with white and then with dark reddish-fuscous, orbicu- 

 lar round, reniform oblong : a tolerably distinct median shade ; 

 subterminal whitish-ochreous, obscure, waved ; a hind-marginal 

 series of black lunules : cilia reddish-fuscous. Hindwings 

 fuscous ; cilia whitish, with a fuscous line. 



Akaroa and Lake Guyon, in February and March ; three 

 specimens. 



25. Mam. pictula, White. 



{Dianthoecia pictula, White, Tayl. New Zeal., pi. i., 3; Meterana pictula, 

 Butl., Proc. Zool. Soc. Lond., 1877, 386, pi. xlii., 1.) 



Male, female. — 36 mm. Head and palpi blackish-grey, face 



with a yellowish-green band. Auteunie grey, in male submonili- 



form, moderately ciliated. Thorax with angles subpromiuent, 



small anterior, median, and posterior crests ; blackish-grey, with 



sinuate anterior and curved sublateral yellowish-green streaks. 



