146 Mr. W. Warren on new 



line of the clear ground-colour, without fuscous atoms ; first 

 line at one fourth, starting from a dark costal spot, curved 

 and bent outwards on subcostal ; exterior line at three fourths, 

 starting from a large black costal spot, straight and vertical 

 to the lower radial, curving outwards, finely denticulate over 

 the median nervures, then running in basewards, and finishing 

 as a wavy line beneath the discal spot, which is distinct, 

 blackish ; marginal area suffused with fuscous, the median 

 and basal areas more dusted with it ; fringe paler stone- 

 colour, with two indistinct darker lines, and a black line at 

 base, preceded by a narrow patch of pale ground-colour. 

 Hind wings the same. Head and thorax ochreous mixed 

 with fuscous. Abdomen yellowish ; anal segment with first 

 a black, then a broader whitish ring. Underside dull cine- 

 reous, with the markings faint. 



Expanse of wings 22 millim. 



One male from the Khasias. 



Preneopogon, gen. nov. 



$ . Fore wings narrow, elongate ; costa straight, slightly 

 convex before apex ; apex produced, subacute ; hind margin 

 curved, very oblique. Hind wings narrow, with hind margin 

 curved. Antennae simple, annulated, three fourths of the 

 length of wing ; the basal joint much swollen ; vertex hairy ; 

 tongue prominent ; palpi much enlarged, dependent vertically, 

 clothed with dense hair, which projects laterally from the 

 basal joint. (In the female the palpi are globose below the 

 face, with rough hair-like scales sticking out on all sides, and 

 the maxillary palpi, which are completely hidden in the male, 

 are broadly truncate at their ends.) Fore legs with tibia and 

 first joint of tarsus, which is greatly enlarged, hairy, the tibia 

 with a tuft of long hairs from the base ; other legs slender, 

 the hind tibiae with four slender spurs. Anal segment with 

 a very large expansible tuft from beneath base of claspers, 

 which are themselves greatly enlarged and ear-shaped. 



Type Preneopogon barbata, sp. n. 



Preneopogon barbata, sp. n. 



Fore wings stone-colour, suffused in parts with fine fuscous 

 atoms and shading ; basal area and subcostal streak darkest ; 

 first line quite close to base, blackish, angulated in middle, 

 and bent outwards before inner margin, followed imme- 

 diately in the cell by a small dark-edged ocellus similar to 

 that which stands on the discocellular ; above and beyond 



