394 Mr. W. Warren on neAo 



daslies, dull ferruginous. Hind wing without markings, 

 wliitish oclireous. Head and abdomen the same. 



Expanse of wings 26 niillim. 



Two females from Coquimbo. 



Udea {ndisttnctah'sj sp. n. 



Fore wings pale grey, tinged with fawn-colour and sparsely 

 dusted with blackish atoms; lines and stigmata indistinctlj 

 darker, the latter edged with black atoms ; exterior line thick, 

 bluntly denticulate ; central area of wing slightly ])aler tiian 

 the rest ; a row of small dark dots before the base of the 

 fringes which have a darker medial line. Hind wings dark 

 ochrcous, dusted with grey, with an indistinct dark discal 

 spot and a subraarginal line, beyond which the rest of tlie 

 wing is darker ; outer half of fringes paler. Head, thorax, 

 and abdomen cinereous fawn-colour. Underside whitish 

 ochrcous, dusted with darker, and all tlie markings very 

 indistinct. 



Ex})anse of wings 26 millim. 



One female from the Sierra Nevada, N. America. 



Distinguished from others of the genus by the length and 

 narrowness of the fore wings, in which it resembles the other 

 two American species itysalisj Wlk., and helviusah's, AVlk. 



Udea inliospitcdisj sp. n. 



Both wings dark glossy fuscous, with the usual markings 

 just distinguishable. Head, thorax, abdomen, and fringes all 

 concolorous. Underside very glossy, with the markings 

 rather more distinct. 



Expanse of wings, $ 20, cJ 18 millim. 



One female, two males, from Patagonia. 



Udea nigripunctataj sp. n. 



Fore wings dull fuscous ; first line indistinct, curved ; 

 second line fine, black, consisting of small blunt denticula- 

 tions, each followed by a paler space ; a series of very minute 

 black dots or points before the fringes, which are concolorous 

 with the wing ; orbicular stigma small, indistinct; renitorm, 

 black, conspicuous. Hind wings rather })alcr, without 

 distinct markings. Underside paler, with the spots and lines 

 dai-k and quite distinct. 



Expanse of wings 16 millim. 



One male from Callao. 



Distinguished at once by the black renitorm stigma. 



