NEW LEPIDOPTKRA-HETEROCERA FROM FORMOSA. 311 



olivaceous with black transverse lines ; subbasal line double, angled 

 below the costa, space enclosed paler shade of the ground colour ; 

 antemedial line double, sinuous, preceded by a black cloud on costal 

 area ; postmedial line wavy ; submarginal line interrupted ; lunulated 

 line before the black-marked brownish fringes. Hind wings fuliginous 

 brown, fringes paler at the tips. Under side brown, the fore wings 

 suffused with blackish, except on inner area ; all the wings have 

 two, waved, blackish postmedial lines ; a dusky discal mark on the 

 hind wings. 



Expanse, 44 millim. 



Collection number, 668. 



A male specimen from Kanshirei (1000 ft.), April 22nd, 1908. 



Dasychira taiwana, sp. n. 



^ . Antennae dark brown, shaft greyish ; head and thorax pale 

 grey mixed with darker ; abdomen greyish, pale at base, darker on 

 anal segments, and tinged with tawny on the middle segments. Fore 

 wings pale grey, clouded and suffused with darker ; subbasal and 

 antemedial lines black, wavy, the first only distinct towards the 

 costa, a blackish shade-like band between the lines ; reniform mark 

 outlined in black ; postmedial line black, strongly waved, followed by 

 a faint blackish shade ; submarginal line wavy, interrupted. Hind 

 wings dark fuscous, inner area tawny ; a dusky discal mark and 

 traces of a darker, diffuse postmedial line ; fringes greyish. 



5 . Fore wings pale greyish, with transverse lines as in the male, 

 but the postmedial and submarginal are more clearly defined, and the 

 darker clouds are less in evidence. Hind wings pale fuscous ; discal 

 dot and postmedial band dusky. 



Expanse, ^ 56 millim., 2 67 millim. 



Collection number, 1210 «. 



One male from Arizan (7300 ft.), August, 1908 ; and a female 

 from Rantaizan (7500 ft.), May, 1909. 



Allied to D. strigata, Moore, and possibly a local form of that 

 species. 



Dasychira arizana, sp. n. 



(? . Antennae reddish brown, shaft whitish ; head and thorax 

 whitish grey ; abdomen greyish brown, paler at the base. Fore wings 

 whitish grey, clouded and suffused with darker, except at basal fourth 

 and along the costa to the black-outlined reniform mark ; subbasal 

 line black, indistinct ; antemedial line blackish, double, inwardly 

 shaded with black ; postmedial line black, wavy, inwardly edged 

 with clear ground colour, outwardly shaded with darker, followed by 

 a sinuous line of the ground colour ; submarginal line black, wavy 

 and interrupted ; fringes pale grey chequered with darker. Hind 

 wings dark fuscous, brown tinged on the inner area ; discal mark 

 darker, indistinct ; fringes paler. 



Expanse, 44 millim. 



Collection number, 1210. 



One male from Arizan (7300 ft.), August, 1908. 



Perhaps only a form of D. tahvana. 



