HYPOB.VRAXnR.V. OXTCHESTRA. 223 



striated with brown, the veins slightly streaked with blackish ; 

 subbasal line indistinct, slightly defined by greyish, waved, from, 

 costa to submedian fold ; antemedial line very indistinct, oblique 

 from costa to submedian fold, then angled inwards on vein i : 

 claviform very indistinctly defined ; orbicular and reniform with 

 fuscous centres and grey annuli defined by rufous, the former 

 rounded ; postraedial line dentate and produced to short streaks on 

 the veins, bent outwards below costa and strongly incurved below 

 vein 4, some pale points beyond it on costa ; subterminal line pale, 

 defined on inner side by somewhat dentate rufous marks, angled 

 outwards at vein 7 and somewhat dentate at veins 4, 3, the area 

 beyond it suffused wdth rather darker rufous except at apex ; a 

 terminal series of slight points. Hind wing fuscous with a rufous 

 tinge, the basal area slightly paler ; the underside whitish irrorated 

 with rufous and brown, a dark discoidal lunule and indistinct post- 

 medial line with short dark streaks at the veins. 



Ab. 1. Brighter and more uniform ferruginous, Yatung. 



Hah. Punjab. Dharmsjila (Hocliiu/), 2 c? , 3 5 , type; SIKHr^t 

 Tibet, Chumbi Valley, Yatung (IJohson), 2 $ . Ejjj). 42-50 millim. 



Genus ONYCHESTRA., nov. 



Type, O. sicca7ioru?n. 



Proboscis fully developed; palpi obliquely porrect, the 1st and 2nd joints 

 fringed with hair below ; t'l-ons with rounded prominence, with curved corneous 

 process below it from middle of frons, a corneous plate below the frons laterally 

 produced into wings ; eyes large, rounded ; antennte of male minutely serrate 

 and fasciculate; head and thorax clothed with rough liair and scales and with 

 ill-defined crests on pro- and njetathorax ; fore legs with the tarsal joints very 

 short and broad, the spines on the first three joints developed into short thick 

 claws, the ungues very large ; abdomen with dorsal crest on basal segment and 

 Literal fringes of hair. Fore wing rather narrow ; veins 3 and 5 from near angle 

 of cell ; C> from upper angle ; from 10 anastomosing with 8 to form the areole ; 

 11 from cell. Hind wing with veins 3, 4 from angle of cell; 5 obsolescent 

 from just below middle of discocellulars ; (5, 7 shortly stalked ; 9 anastomosing 

 with the cell near base only. 



1442. Onychestra siccanorum. 



Mameatra siccanorum, Staud. Berl. ent. Zeit. 1870, p. 114: Mill. Icones, 

 pi. 1.52. f. 8 ; Staud. Cat. Lep. pal. p. KJO. 



S . Head and thorax ochreous brown mixed with white ; 

 abdomen ochreous white. Fore wing white, largely suffused and 

 irrorated with ochreous brown ; an indistinct whitish subbasal 

 line from co.sta to submedian fold with some fuscous on each 

 side of it ; antemedial line rather indistinct, double, filled in 

 with whitish, slightly angled outwards below costa, oblique to vein 1 

 where it is angled inwards, then outwards above inner margin ; 

 claviform minute or short and broad, defined by black, a whitish 

 patch beyond it ; orbicular and reniform wit h small brown centres 

 and broad white annuli slightly defiiunl by black, the former rather 

 quadrate or oblique elliptical, the latter slightly angled inwards on 



