A6T11ALA.— KIYULA.— PASIEA.— Ill liACTA. 1 'J7 



AsTiiALA siLtxuSALis. (Plate VI. fig. 22.) 

 Bocana silenusaUs, Walker, Catal. Lep. Ikt. B. :M. xvi. p. 17'.) ( 1858). 



Ilah. Pjorneo {tijl)e) ; Khasia Hills and Chcrra {Atkinmn). In coll. Dr. Staiulingcr 

 and F. Moore. 



Genus RIYTLA, Gmi,. 



ElVl'l.A rAI.I.IlJA, 11. sp. 



Very pale brownish-ochreous : fore Aviiig with a transvcr.sc medial and a di.scal very 

 indistinct waved pale line, some short white streaks on costa near apex, and a marginal row 

 of minute white dots ; two indistinct minute brown spots encircled by a pale line at end of 

 the cell. 



Expanse -/^ inch. 



Uah. Calcutta. In coll. Dr. Slaudinger and F. Moore. 



Near to B. hiocularis. Wings larger, much duller-coloured, and more indistinctly 

 marked. 



PASIU.V, n. g. 



Fore wing more acuminate at the apex than in Rivn.la (JR. sen'cealis), exterior margin 

 more erect : hind wing sliorter, and the male having a groove, which is set with short hairy 

 scales on both sides, situated on the wing between the median and internal veins, extending 

 from outer margin to below end of the cell, from whence it is bent below the median vein. 

 Body slightly stouter t!ian in Jiicula; projecting front of tlie head, palpi, and legs similar; 

 venation also similar. 



PaSIRA OCnRACEA, 11. sp. 



Male. Ochreous : fore wing with two indistinct minute black discocellular dots : hind 

 wing externally suffused with pale purplish-ochreous ; abdominal margin and hairy scales 

 alons: the groove ochrcous-white. Underside paler ; discal area of fore w ing in male suf- 

 fused with brown. 



Female. Both the fore and hind wings paler uniform ochreous. Body, palpi, and legs 



ochreous. 



Expanse, <S ^, ^ \% inch. 



Ilah. Calcutta. In coll. Dr. Staudingcr. 



BIBACTA, n. g. 



Fore wing short, costa bent obliquely downward at two thirds from the base, apex 

 pointed, exterior margin short and obliipie ; a short fold composed of stout scales covering a 

 tuft of long hair at base of the costa ; costal vein short, running close to the margin ; first 

 subcostal very short, emitted immediately before end of the cell ; second short, tritid, emitted 

 at half its length beyond the cell and tcrmmating on the costa before the angle ; fourth from 



