290 GEOMETBID^E. 



crenulate postmedial line and single white submarginal line, with 

 patches of rufous-brown suffusion inside and beyond it. Both 

 wings with marginal series of black specks. Underside with black 

 cell-spots and large black patches at apex and outer angle of each 

 wing. 



Hob. Nepal ; Sikhim. Exp. 58 millim. 



3487. Medasina albidior, n. sp. 



2 . Differs from obliterata in having no rufous suffusion ; the 

 head black ; abdomen without the black specks, and only orange at 

 extremity. Pore wing with the inner and outer areas suffused and 

 irrorated with fuscous grey, and with a few fulvous scales, especially 

 on the veins ; the njitemedial, medial, and postmedial lines single, 

 indistinct, and arising from black spots on the costa. Hind wing 

 irrorated and slightly suffused with fuscous grey, with indistinct 

 antemedial line and blackish cell-spot ; the postmedial line single 

 and reduced to a series of specks. Underside with postmedial 

 series of black specks; hind wing with the upper patch smaller 

 and subapical. the lower patch obsolete. 



Hob. Nagas. 6000 feet (Doherty). Exp. 78 millim. Type in 

 coll. Elwes. 



Genus ARICHANNA. 



Arichanna, Moore, P. Z. S. 1867, p. 658. 

 Khyparia, Hiibn. Verz. p. 305 (? 1818), praeocc. 

 Icterodes, Eutl. III. Het. ii, p. ix (1878). 

 Paricterodes, Warr. P. Z. S. 1893, p. 389. 



Type, A. plagifcra, "Wlk. 



Range. Japan ; China ; Himalayas ; Khasis ; Nagas. 



Palpi porrect, reaching beyond the frons, and clothed with long 

 'hair ; wings with the margins not crenulate. Fore wing usually 

 with fovea ; vein 3 from near angle of cell ; 7, 8, 9 stalked from 

 upper angle; 10 and 11 free. Hind wing with vein 3 from 

 near angle of cell. 



SECT. I. Antennae of male fasciculate ; hind tibiae not dilated. 



3488. Arichanna tramesata, Moore, P. Z. S. 1867, p. 658, pi. 33, fig. 2 ; 



C. # S. no. 3835. 



c?. Pale ochreous, irrorated with fuscous and black. Fore 

 wing thickly irrorated and striated with black ; the veins streaked 

 with fulvous ; indistinct slightly sinuous antemedial, postmedial, 

 and submarginal white lines, the postmedial forking towards apex ; 

 a black patch at end of cell. Hind wing irrorated with fuscous ; 

 a fuscous spot at end of cell, and series of black specks on the 

 margin. 



Hob. Sikhira ; Khasis. Exp. 40 miliiin. 



