NEW LEPIDOPTBRA-HETEROCERA FROM FORMOSA. 205 



Two female specimens from Kanshirei (1000 ft.) ; one August, 

 1907, the other October, 1908. 



Narosa corusca, sp. n. 



(? . Fore wings yellowish white, mottled and streaked with pale 

 reddish brown, the latter most in evidence between the veins; post- 

 medial line darker reddish brown, sharply angled above the middle, 

 thence wavy to inner margin ; a darker reddish brown spot at end of 

 cell ; a series of black dots on the outer margin, one between veins 

 two and three largest ; fringes with a darker central line. Hind 

 wings yellowish white, fringes paler. Under side yellowish, veins 

 and fringes whitish. 



2 . Similar to the male, but the space between end of cell and 

 postmedial line is filled up with the darker reddish brown colour ; 

 some blackish dots on the postmedial line at angle and below ; the 

 black dot between veins two and three is rather larger than in the 

 male, and between it and the dot at angle of the line is an inter- 

 mediate dot. 



Expanse, 27 millim. 



Collection number, 61. 



One example of each sex from Kanshirei (1000 ft.) ; the male 

 captured in May, 1907, and the female in May, 1908. 



Allied to N.falgens, Leech, from Gensan and Ningpo. 



Natada furva, sp. n. 



Head, thorax, and abdomen pale brownish. Fore wings pale 

 brown, freckled with darker ; a diffuse patch of blackish scales in the 

 cell, and an elongate one below it extending to the inner margin ; 

 traces of a dusky submarginal line. Hind wings and under side of 

 all the wings fuscous. 



Expanse, 19 millim. 



Collection number, 676. 



Two male specimens from Kanshirei (1000 ft.), August 20th, 

 1905. 



The second specimen is in poor condition, but it has a distinct 

 black spot at end of cell, of which there are only faint traces in 

 the type specimen described ; black scales are not present in 

 cell, and the patch of black scales near inner margin is very 

 much reduced. 



Tetraphleps {?) rugosa, sp. n. 



(? . Head and thorax chestnut-brown, patagia blackish brown ; 

 abdomen dark brown, basal segments chestnut-brown above. Fore 

 wings blackish, rather glossy, but with a rough and crumpled appear- 

 ance ; the costa is brown from middle to apex, and there are three 

 brown clouds — one at lower angle of cell, one between this and inner 

 margin, and a larger one before the outer margin. Hind wings and 

 the under side of all the wings, fuliginous. 



Expanse, 34 millim. 



Collection number, 736. 



One male specimen from Kanshirei (1000 ft.), July 18th, 1908. 



