ME. F. MOOEE ON THE OPUIDERIN^ OF THE INDIAN REGION. 69 



discal band. Thorax, head, palpi, fore legs in front, and tarsi beneath dark ferruginous- 

 brown, thorax grey-speckled ; abdomen above orange-yellow, beneath blackish. 



Expanse 3 inches. 



Uah. Borneo. In coll. British Museum. 



Khadira, n. gen. 



DifFei's from Othreis in the fore wing having a decided falcate apex, the hind niartciu 

 with shorter and more deeply excavated space between the angles ; the hind wing also 

 shorter; the palpi having the third joint slender and not tufted at the apex, the second 

 joint also being more slender; fore tibiae less tufted, and tarsi more spinous. 



Khadira AURANTiA. (Plate XIII. fig. 4.) 

 Ophideres aurtnttia, Moore, Proc. Zool. See. 1877, p. 607. 



Hale. Fore wing dark ochrey-red, with numerous short transverse grey strigae, veins 

 alternate grey- and black-speckled ; a narrow black oblique band from apex to middle 

 of excavation on hind margin ; the oblique band, two inner and two outer transverse 

 dusky fascice bordered inwardly with purple-grey : hind wing pale orange-yellow, with 

 a black, short, curved, narrow submarginal band, and broader, short, constricted discal 

 band. Thorax, head, palpi, fore legs in front, and antennae ochrey-red; abdomen pale 

 orange-yellow. laiderside orange-yellow; fore wing with a dusky patch at the apex, 

 and two blackish short curved oblique discal streaks above posterior angle ; hind wing 

 with a sliort black discal spot and an indistinct dusky outer fascia. 



Expanse 4 inches. 



Ilab. South Audamans. In coll. British Museum. 



Adris, n. gen. 



Fore wing : costa arched beyond the middle, convex at the end, the apex being i)ro- 

 duced into a lengthened point ; exterior margin very oblique, convex, the angle very 

 acute ; posterior margin very short in the male, lobe much produced, excavation beyond 

 short. Hind wing prolonged anteriorly, the exterior margin slightly concave below the 

 apex; veins similar to those in Otlireis. Palpi larger and stouter than in the other 

 genus, more laxly clothed, the third joint with a large, flattened, dense tuft above. 

 Fore tibiae in male more deusch clothed with longer lateral hairs. 



Type A. tyrannus. 



^Osldris tyrannus. (Plate XIII. fig. 5, 6 .) 



Ophideres tyrannus, Guenee, Noct. iii. p. 110 (1852) ; Walker, Catal. Lcp. Hct. Brit. Mus. xiii. 

 p. 1221. 



Male. Fore wing dark ochreous-brown, with indistinct darker transverse sinuous 

 fasciae bordered with chalybeous purple ; sparsely covered with dark red-brown delicate 



