1878.] MR. F. MOORE ON THE LITHOSIID.E. 27 



top branch from upper angle, second from lower, third from before 

 half length of the cell. Hind wing quadrangular ; two subcostal and 

 two upper median branches from one third beyond the cell, lower 

 median from half its length. Antennae finely pectinated. Palpi 

 small, porrect. Legs slender, naked, middle and hind spurred. 

 Body slender, short. 



Female. Wings longer, not truncate at apex; fore wing not 

 folded ; veins as in male, excepting that the hind wing has, appa- 

 rently, only one upper median branch. 



Gampola fasciata, n. sp. (Plate II. fig. 18.) 



Male. Upperside — fore wing pale brownish ochreous, brown- 

 speckled, the speckles composed of dark stout scales forming a fascia 

 below the cell and across the disk. Head, thorax, and abdomen 

 fuliginous brown ; anal tuft slightly ochreous ; palpi brown at tip ; 

 legs slightly brown above. Hind wing and underside paler. 



Female. Fore wing not brown-speckled, with an indistinct trans- 

 verse dusky maculated discal band and a small spot at posterior 

 angle. Underside dusky at apex of fore wing. 



Expanse, <5 j-i-, $ 1 T L inch. 



Ceylon. In coll. F. M. Mackwood and Dr. Staudinsrer. 



Group C. Fore wing ivith subcostal vein TOVR-branched, median 

 vein THREE-branched. 



Pelosia, Hiibn. 



Pelosia, Hiibn. Verz. bek. Schmett. p. 165 (1816). 



Samera, Wallengren, Wien. ent. Mon. vii. p. 146. 



Male and female. Wings rather short and broad. Fore wing with 

 subcostal and costal veins wide apart ; subcostal four- branched ; 

 first branch short, oblique, anastomosing with costal but free beyond 

 its end ; second arising at some distance before end of the cell, 

 straight, widely separated between first and third ; third bifid, at 

 half distance from end of the cell ; discocellulars bent inward, lower 

 shortest, upper angled close to subcostal ; radial from the angle of 

 upper ; two upper median branches from half distance beyond the 

 cell, lower from half before its end. Hind wing — two branches 

 of subcostal at one fourth, and median branches at two thirds 

 beyond the cell. 



Type, P. muscerda (Lithosia muscerda) of Europe. 



Group D. Fore wing icith a plumose lappet-covered sac-like cavity^. 



Bizone, Walker. 

 Bizone, Walker, Catal. Lep. B. M. ii. p. 548. 



Bizone bellissima, n. sp. (Plate III. fig. 13.) 

 Male. Upperside — fore wing with a transverse basal and two 

 oblique median red bands, a broad outer marginal ochreous-yellow 

 band, and three black spots at end of the cell : hind wing and abdo- 

 ' Probably a sound-producing apparatus. 



