Genera and Species of Pyralide. 465 
by a row of largish black spots; fringe iron-grey, with a fine 
pale basal line; costa dotted with black along the central 
area; a black cell-spot. Hind wings more cinereous, with 
less dark dusting; a ctrved pale line at two thirds. Head, 
thorax, and abdomen concolorous. Underside like upper, 
but less green, more cinereous. 
Expanse of wings 18 millim. 
Three males from the Khasia Hills. 
Orthopygia atomosalis, sp. n. 
Fore wings pale greyish ochreous, almost entirely suffused 
with blackish atoms, slightly mixed with reddish (in the 
specimen which served for type the central area has been 
rubbed and appears paler), basal patch darker, but ill-detined ; 
second line at two thirds, slightly bent outwards opposite the 
cell, then curved inwards, dark grey, separated from the dark 
marginal space by a paler line; discal dot large, black ; 
costa distinctly and regularly marked with black and white ; 
fringes dark, with a pale line at base, and their tips towards 
the apex of wing whitish. Hind wings with two wavy dark 
central lines enclosing a middle space slightly darker than the 
rest of the wing, which is thickly dusted with dark scales. 
Head, thorax, and abdomen ochreous, dusted with dark atoms. 
Underside the same, but much clearer, the ground-colour 
being paler, less suffused, and the markings darker and more 
defined ; exterior line on hind wing denticulated. 
Expanse of wings 22 millim. 
One male from the Khasias. 
Orthopygia fascialis, sp. n. 
Fore wings smooth, olive-green; the lines black, the first 
at one third, vertical and sinuous, the second at two thirds, 
forming a large sinus outwards in middle and reaching inner 
margin shortly before anal angle; it is edged throughout by 
a pale ochreous line; cell-spot large, dark; costa between 
lines blackish, with six clear pale ochreous spots; hind margin 
with a row of rather large black spots before the fringe, which 
is greyish. Hind wings with a central curved black fascia, 
the inner edge of which is even and the outer wavy; hind 
margin and fringes as in fore wings. Head, thorax, and 
abdomen concolorous with fore wings. Underside cinereous, 
with a greenish tint; only the exterior line marked plainly 
in black, with a paler edge on both wings. 
Expanse of wings 26 millim. 
One female from the Khasias, 
