44 NYCTEMERID A. 
with black in front and behind; abdomen with dorsal and lateral series of black spots. 
Primaries below with the basal three fourths shot with purplish blue; all the white veins and 
streaks excepting the central discoidal and interno-median ones obsolete : secondaries with no 
blackish patch at the end of the cell, otherwise as above : pectus white, covered with large 
black spots: legs black, the femora with white fringe; venter orange, with lateral series of 
black spots. Expanse of wings 3 inches 2 lines. 
?. Primaries above greyish white, with white veins and indications of the markings of 
the under surface: secondaries snow-white ; a large blackish patch at the end of the cell; nine 
submarginal ovoid black patches, shot with blue: body ochreous, tegulze with black spots nearly 
as in the male but smaller; thorax spotted with black behind; abdomen pale, with a dorsal 
series of black dots. Under surface snow-white: primaries with a costal streak, the front and 
back of the cell, and a belt to the external angle purplish black ; external area greenish, 
crossed by white veins: secondaries with the costal and external borders and a large patch at 
the end of the cell blackish, shot with green: pectus spotted with black; venter with lateral 
series of black spots; anus bright ochreous. Expanse of wings 3 inches. 
Silhet (Stainsforth) ; Darjiling (Lidderdale) ; Moulmein (Clerck). 
NYCTEMERIDA. 
LEPTOSOMA, Boisd. 
Leptosoma latistriga. (Plate LXXXVIII. fig. 1.) 
Nyctemera latistriga, Walker, Cat. Lep. Het. ii. p. 397. n. 15 (1854). 
Primaries dark chocolate-brown ; basal third streaked with white; a broad elongated 
subcuneiform white patch on the interno-median area, extending from the base to beyond the 
middle of the wing; a broad oblique discal white belt, slightly mterrupted at the third median 
branch, and abruptly expanded into an oval patch between the first and second branches : 
secondaries white, with broad, internally-sinuated, external dark chocolate-brown border : body 
pale yellow, darkest at the extremities ; the head and collar spotted, the thorax longitudinally 
striped, and the abdomen transversely banded with dark brown; antenne dark brown. 
Wings below nearly as above, but the primaries not streaked at the base ; body bright ochre- 
ous, with lateral series of black spots. Expanse of wings 1] inch 7 lines. 
Silhet (Stainsforth) ; Moulmein (Clerck) ; Ceylon (Templeton) . 
ZONOSOMA, gen. nov. 
Allied to Leptosoma and Pitasila, but differmg from the former in its broader wings ; 
primaries with the costal vein only extending to the second third of the margin; subcostal 
branches considerably wider apart, the second branch slightly angulated ; upper radial emitted 
