200 Col. C. Swinhoe on new 



Genus Ceratarcha, nov. 



c^ . Fore wings elongate, narrow ; costa straight till close 

 before apex; apex prominent, subfalcate, outer margin con- 

 cave below apex, bulging in the middle, concave below apex, 

 and oblique towards anal angle. Hind wings with the apex 

 prominent, the outer mai'gin immediately below it slightly 

 concave to the middle, thence straight, and at the anal angle 

 rounded. Antenna? simple, three fourths the length of the 

 fore wings ; palpi broadly triangular, the second joint almost 

 concealing the third, which is short and blunt and does not 

 reach as far as the front of the second ; tongue present ; 

 abdomen elongate, extending far beyond the hind wings ; 

 hind tibiae with four spurs. 



Type: Ceratarcha umbrosa. 



24. Ceratarcha umbrosa, sp. n. 



<$ . Pale olive-grey, irrorated and striated with black 

 atoms and short striations, which sparsely but evenly cover 

 both wings. Fore wings with a small black spot within the 

 cell and another below it ; a large black spot at the end of 

 the cell ; some black marks on the costa near the base. Hind 

 wings with a black spot at end of cell ; a group of black 

 irrorations clustered together like a short band alongside of 

 it against the abdominal margin ; both wings with a broad 

 outer marginal brown band, limited by a recurved and deeply 

 excavated black line of small spots, which are joined together 

 and thickened on the hinder margin of both wings; in some 

 specimens this band is opaque and nearly black, in others it 

 is brown and studded with black irrorations like the rest of 

 the wings ; marginal line pale ; cilia pale brown, interlined 

 with dark brown. Underside pale olive-grey, with the cell- 

 spots and irrorations prominent ; body and legs olive-grey, 

 legs with some brown bands. 



Expanse of wings 1^ inch. 



Shillong and Cherra Punji. Many examples. 



25. Ceratarcha? clathralts, sp. n. 



$ ? . Palpi brown ; antennse, head, body, and wings pale 

 luteous grey ; antenna? with brown joints, thorax with a brown 

 band in front. Wings sparsely irrorated with dark brown 

 atoms : fore wings with an indistinct brown ringlet in the 

 cell, another below it, and a more distinct and larger ringlet 

 at the end of the cell ; the irrorations somewhat clustered 

 together in the middle of the wing, and a broad blackish 



