1070 JOURNAL, BOMBAY NATURAL HIST. SOCIETY, Vol. XX. 



line through them ; the underside yellowish tinged with brown and broadly 

 suffused with brown on costal and terminal areas, a curved postmedial line. 

 Habitat. — Assam, Khasis. Exp. 46 mill. 



Genus Trigonophoiia . Type. 



Triyonophora, Hiibn. Verz., p. 217 (1827) . . . . meticulusa. 



Solenoptera, Herr. Schaff Eur. Schmett. ii., p. 290 (1845). . meticulosa. 



Brotolomia, Led. Noct. Eur., pp. 35 and 115 (1857) . . meticulosa. 



Mesolomia, Smith, Cat. Noct. N. Am., p 171 (1897) non descr. ■iris. 



Proboscis fully developed ; palpi obliquely upturned, the 2nd joint reach- 

 ing to about middle of frons and broadly fringed with hair in front, the 3rd 

 short ; frons smooth, with large tuft of hair ; eyes large, round ; antennae of 

 male with fasciculate cilia ; thorax clothed with hair only, the tegulse 

 produced to a dorsal ridge, the prothorax with triangular crest, the meta- 

 thorax with large paired spreading crests ; tibke moderately fringed with 

 hair ; abdomen clothed with rough hair at base, with dorsal crests on basal 

 segments and lateral fringes of hair. Fore wing with the apex obliquely 

 truncate, the termen and cilia slightly crenulate, the termen slightly excised 

 below vein 4 ; veins 3 and 5 from near angle of cell ; 6 from upper angle ; 9 

 from 10 anastomosing with 8 to form the areole; 11 from cell. Hindwing 

 with veins 3*4 from angle of cell ; 5 obsolescent from below middle of dis- 

 cocellulars ; 6*7 shortly stalked; 8 anastomosing with the cell near base 

 only. 



1758i. Trigonophora fusoomargixata. 



Genus Chutapha. Type. 



Chutapha, Moore, Lep. Atk, p. 131 (1882) . . . . costalis. 



Proboscis fully developed ; palpi upturned, the 2nd joint reaching about 

 to middle of frons and moderately scaled, the 3rd short; frons smooth; 

 eyes large, round ; antennse of male typically serrate and fasciculated ; 

 head and thorax clothed with hair only, the prothorax with triangular 

 ridgelike crest, the meta thorax with paired crests ; tibise moderately 

 fringed with hair; abdomen with dorsal series of- crests and lateral tufts 

 of hair on terminal segments, the male with extensible basal tufts of 

 long hair from lateral stigmata. Fore wing with the apex obliquely 

 truncate, the termen and cilia dentate ; veins 3 and 5 from near angle 

 of cell; 6 from upper angle; 9 from 10 anastomosing with 8 to form the 

 areole; 11 from cell. Hindwing with veins 3'4 from angle of cell: 

 5 obsolescent from just below middle of discocellulars ; 6'7 from upper 

 angle ; 8 anastomosing with the cell near base only. 



Sect. I. — Antennse of male bipectinate with short branches, the apical 

 third ciliated. 



1758a. Chutapha gonservuloides. 



Sect. II. — Antennas of male serrate and fasciculate. 



1756. Chutapha gostalis. 



