Genera and Species of Pyralidse. 205 



line whitish, dark-edged, is parallel and near to first on inner 

 margin, then forms two large dentations outwardly, and 

 reaches the costa just beyond middle as a pure white line; 

 space between lines on inner margin blackish ; subterminal 

 line whitish, finely denticulated, edged finely with blackish 

 below costa, preceded by a dark grey blotch opposite the 

 sinus of the second line, and followed by a blackish blotch in 

 the middle of the wing ; fringe white, with a fine dark basal 

 line and a dark cloud in the middle of wing. Hind wings 

 with two white, finely denticulated, parallel, curved, dark- 

 edged lines : the intermediate space also black, except a 

 quadrate white spot in the middle ; no dark markings in sub- 

 marginal and marginal areas. Head, thorax, and abdomen 

 ochreous, the latter blackish, level with the black band of 

 hind wings. Underside like upper. 



Expanse of wings 12-14 millim. 



Several from the Khasias. 



Genus Cataclysta, Hfibn. 

 Cataclysta repetitalis, sp. n. 



Ground-colour white ; costa broadly yellow to middle, 

 joining an oblique triangular central costal blotch, yel- 

 lowish, but almost overrun with dark brown ; a curved 

 dark-edged yellow fascia from costa before apex, with its 

 costal margin brown-black, costa narrowly yellowish be- 

 tween the fascia? and on to apex ; marginal band yellow, 

 internally edged by a dark line, and externally containing a 

 series of small black dots between the veins, the lower part of 

 the white space between it and the last fascia suffused with 

 dull grey-brown ; the yellow marginal band is continued past 

 the anal angle and throws off a curved spur, dark-edged 

 above, touching the apices of the two costal fascia? ; base of 

 inner margin yellowish, bounded by an oblique black oval 

 mark ; the space along inner margin between this mark and 

 the yellow projection from the marginal band is white rippled 

 with black ; a blackish spot in the middle of the base ; fringe 

 lustrous grey. Hind wings white, with an indeterminate 

 blackish central line ; hind margin yellowish, containing in 

 the middle four subquadrate black spots, edged with metallic 

 blue and surmounted by a curved wavy black line, that is 

 itself topped by a pale yellow dark-edged line, which, towards 

 the apex of the wing, touches the tawny grey blotch that 

 forms the extremity of the central line ; fringe lustrous grey. 

 Head, thorax, and abdomen dull yellow, the latter with dark 

 dull grey segmental rings. Underside pale lustrous yellow, 



