NEW SPECIES OF HETEROCERA FROM FORMOSA. 321 



inwardly oblique, dai'k brown from the costa to cell, thence black out- 

 wardly shaded with dark brown to dorsum ; postmedial line pale 

 ochreous, narrowly edged inwardly with dark brown and outwardly 

 bordered by a strong black line and brown shading, gently incurved 

 from apex to dorsum near tornus ; subterminal line pale brown, almost 

 straight, traversing brown shading of postmedial line ; terminal line 

 black ; fringes pale brown, marked with darker. Hind wings pale 

 brown transversely shaded with darker on basal two-thirds ; terminal 

 third darker brown transversely divided by a streak of the ground 

 colour ; terminal dots and fringes as on the fore wings. Under side 

 pale brown ; fore wings suffused with darker brown on the disc ; 

 hind wings freckled with darker brown, especially on costal area, 

 discoidal dot black ; all the wings have a dusky postmedial line and 

 black points on termen. 



2 . Similar, but rather darker in general colour ; the medial line 

 on fore wings is brown throughout, the black outer edging of the 

 postmedial line is very slender, and the subterminal line is in- 

 distinct. 



Expanse, S , 42 millim. ; ? , 40 millim. 



Collection number, 1025. 



A male specimen from Arizan (7500 ft.), September 21st, 

 1906, and a female from Kanshirei, October 12tb, 1908. There 

 is one specimen from Formosa (Wileman) in the British Museum. 



Lasiocampid^. 

 Cosmotriche discitincta, sp. n. 



(?. Head brown ; thorax grey, white dotted behind, collar brown 

 mixed ; abdomen brown. Fore wings grey suffused with brown on 

 the disc ; antemedial line black, tridentate, inwardly edged with 

 white ; postmedial line black, wavy, elbowed at vein 6, terminating 

 about middle of the dorsum where it is outwardly edged with white, 

 black extending along the dorsum to antemedial line ; discoidal spot 

 white, dark margined ; subterminal line black, undulated, not clearly 

 defined about middle ; fringes white chequered with black. Hind 

 wings brown, discoidal mark and angled medial line dusky, fringes 

 white chequered with black. Under side brown, area of all wings, 

 inside the blackish angled line, suffused with dark fuscous ; fringes 

 as on upper side. 



Expanse, 42 milhm. 



Collection number, 1796. 



One male specimen from Piantaizan, May, 1909. 



Allied to C. lohulina, Denis. 



Lymantriid^. 



Euproctis imrpureqfasciata, sp. n. 



(? . Head and thorax yellow, antennae bipectinated. Fore wings 

 yellow, clouded with purplish and sprinkled with black on basal area ; 

 medial fascia purplish, sprinkled with black, irregularly edged, con- 



ENTOM. — DECEMBER, 1914. 2 i) 



