HTDR.ECIA.— DIPTERYGIA.— SASUXAGA. 10-3 



Family A P A ^I 1 1 D .E. 

 Gcuus IIVDILIX'IA. 

 IIydimxia kiiasiana. 

 Hydrxcia khasiana, Moore, P. Z. S. ISSl, p. 3 IX', pi. xxxvii. fi^. '). 



lUile. Fore wing dull rcddisli-bvown, washed with purple-gioy, witli a brighter hrowii 

 pale-bordered subbasal sinuous line, a large orbicular and reniform spot, and discal sinuous 

 line ; outer border also brighter, and traversed by a pale waved line ; median and submedian 

 veins duskj--brown : hind wing cinereous-white, with pale-brown veins and indistinct marginal 

 fascia. Thorax, head, palpi, and legs reddish-brown, grey-speckled ; abdomen paler. 

 Underside much paler. 



Expanse \{\^ inch. 



Ilah. Khasia Hills, E. Bengal. In coll. Dr. Staudiugcr. 



Near to II. petasitis. 



Genus DIPTERYGIA, Guen. 



DirTKKVCIA SIKKIMA, 11. sp. 



Allied to D. iiidica. Differs in the fore wing being slightly narrower, with a pale 

 bro^vnish-ochreous transverse subbasal narrow sinuous line, a less distinct discal and marginal 

 line terminating in a pale patch at the posterior angle, the patch being less prominent, and 

 traversed with dark-brown streaks, but not extending along the margin towards the costa ; 

 orbicular and reniform spots more distinct : hind wing much paler, nearly brownish-white 

 at the base, and showing an indistinct discal transverse line. 



Expanse 1\ inch. 



Ilab. Darjiling. In coll. Dr. Staudinger. 



Genus SASUNAGA, Moore. 



Sasunaga, :Moore, P. Z. S. 1881, p. 312. 



Fore wing very narrow ; costa almost straight ; exterior margin oblique, convex, waved ; 

 posterior margin convex at the base ; costal vein extending two thirds the margin ; first 

 subcostal branch emitted at two thirds, and second at one fourth before end of the cell, 

 thii-d branch one third and fourth at one half from below second, fifth curving from end of 

 the cell and free from the tliiiil ; upper radial from end of the cell, discocellular obliquely 

 concave, lower radial from near its middle ; cell long, very narrow at the base ; upper median 

 branch from angle above end of the cell, middle branch from the end, lower at one fourth 

 before the end ; submedian curved downward near the base. Hind wing very broad, trian- 

 gular ; costa convex near the base, apex convex ; exterior margin very oblique, waved : 

 abdominal margin long ; costal vein slightly arched near the base, extending to apex ; two 

 subcostal branches from end of the cell ; discocellular slender, concave ; radial very slender. 



