20 Transactions. — Zoology. 



28. Mam. pelistis, n. sp. 



Male, female. — 34-35 mm. Head, palpi, antennas, thorax, 

 abdomen, and legs pale wliitish-ocbreous, partially suffused with 

 pale brownish, and mixed with reddish-fuscous ; antenna in 

 male submouiliform, moderately ciliated ; thorax with moderate 

 anterior and small j)osterior crests ; anal tuft whitish-ochreous. 

 Forewings moderately dilated, costa almost straight, apex 

 obtuse, hindmargin waved, obliquely rounded ; whitish-ochreous, 

 tinged with fuscous ; disc and hindmargin wholly suffused with 

 reddish-fuscous ; lines tolerably defined, margined with dark 

 reddish-fuscous ; median and subdorsal veins irrorated with 

 blackish and white ; orbicular rather small, round, margined 

 with ochreous-whitish ; claviform small, roundish, grey, black- 

 margined ; reniform oblong, grey, lower part dark grey, margined 

 with ochreous-whitish, and then laterally with dark reddish- 

 fuscous ; subterminal ochreous-whitish, with two acute, some- 

 times undefined, dentations below middle : cilia dark grey, mixed 

 with whitish and reddish fuscous. Hindwings dark fuscous ; 

 cilia grey-whitish, with a cloudy dark grey line. 



Akaroa and Lake Coleridge, from January to March ; nine 

 specimens. 



29. Mam. vitiosa, Butl. 



(Apamea vitiosa, Butl., Proc. Zool. Soc. Lond., 1877, 384, pi. xlii., 3.) 



Male, female. — 32-35 mm. Head, palpi, and thorax dark 

 reddish fuscous ; thorax with moderately large anterior and 

 small posterior crests. Antennae dark grey, in male serrate, 

 rather strongly ciliated. Abdomen and legs dark grey, anal 

 tuft whitish-ochreous, reddish-tinged. Forewings moderately 

 dilated, costa almost straight, apex obtuse, hindmargin crenu- 

 late, obliquely rounded ; dark reddish-fuscous, disc and hind- 

 margin blackish-tinged ; lines somewhat paler, dark-margined, 

 very indistinct; orbicular obUque oval, sometimes pale-margined, 

 externally black-margined ; claviform semicircular, black-mar- 

 gined ; reniform oblong, margined obscurely with blackish and 

 sometimes partially with pale, marked with a whitish-ochreous 

 or white dot at each posterior angle, and a small oval clear 

 white or whitish-ochreous spot lying between these ; subterminal 

 obscure, with two moderately acute dentations below middle : 

 cilia dark reddish-fuscous, with a basal series of white dots on 

 veins. Hindwings and cilia rather dark fuscous. 



Christchurch, in May and June ; very common. 



30. Mam. octhistis, n. sp. 



Male, female. — 34-36 mm. Head, palpi, and thorax reddish- 

 fuscous, mixed with dark fuscous ; thorax with angles subpro- 

 minent, rather large anterior and small posterior crests, 



