233 



NOCTUINA. 



Subfamily CUCULLIANAE. 

 Ariathisa emboloma, n. sp. 



9 , 40 mm. Head and thorax dark fuscous, head mixed 

 with whitish, centre of thorax and patagia white. Antennae 

 fuscous. Palpi whitish, terminal joint short, fuscous. 

 Abdomen grey-whitish, beneath white. Legs grey-whitish, 

 tarsi fuscous, ringed with whitish. Forewings elongate- 

 triangular, costa straight, termen oblique, gently waved 

 throughout; dark fuscous, wing between base and first line 

 strongly mixed with whitish, sometimes mixed with pale 

 rufous; first line strongly waved, white, edged throughout 

 by a blackish shade, from one-quarter of costa to about one- 

 third of dorsum ; second line rather broad, waved, with a 

 broad median projection, rather obscure in one specimen, 

 black, more or less narrowly edged throughout with white; 

 wing below cell between first and second lines strongly mixed 

 with rufous, but not reaching dorsum; orbicular snow-white, 

 centred with black; reniform black, edged anteriorly with 

 white; cell more or less filled in with black; subterminal line 

 strongly dentate, snow-white, from costa near apex to tornus, 

 edged anteriorly and in one specimen posteriorly, with lanceo- 

 late black marks, which are well marked, space between 

 second and subterminal lines strongly mixed with rufous, 

 except at reniform, where it is suffusedly whitish; a series of 

 four white dots bn posterior half of costa ; a black line along 

 termen with a series of somewhat lunulate spots between 

 veins; cilia grey, rufous-tinged with a rufous median line. 

 Hindwings light smoky-fuscous, paler on basal half; line 

 along termen as in forewings, cilia snow-white with a grey 

 median line. 



Not unlike some specimens of Euxoa radians, Guen. 



Hab. — Pinnaroo, South Australia; two specimens, in 

 May and June. Broken Hill, New South Wales; one speci- 

 men, in May. 



GEOMETRINA. 



Subfamily SELIDOSEMIDAE. 



Chlenomorpha, n. gen. 



Face with appressed scales. Palpi long, porrected, two 

 and a half times width of eye, terminal joint short. Antennae 

 of male bipectinated, apex simple. Thorax without crest. 

 Posterior tibiae somewhat dilated. Forewings with small 

 fovea; 10 free, 12 anastomosing with 11. Hindwings normal. 



