292 GEOMETRID &, 
wing black, irrorated with white and ochreous; the costa much 
irrorated with ochreous; an obsolescent antemedial white line ; 
a medial white band forking from median nervure to costa; an 
ochreous fascia from origin of vein 2 to outer margin below vein 4; 
a postmedial white band forking towards apex; a sinuous sub- 
marginal series of white specks. Hind wing white, slightly irro- 
rated with fuscous ; a dark spot at end of cell, and postmedial and. 
submarginal maculate bands ; a marginal series of black strie. 
Hab. Sikhim. Hap. 46 millim. 
3494. Arichanna biquadrata, Warr. P. Z. S. 1898, p. 423. 
Differs from ramosa in the head, thorax, and abdomen being 
darker. Fore wing with the ground-colour fuscous brown, striated 
with black ; some whitish towards inner margin ; a double maculate 
antemedial band; Jarge patches at and beyond end of cell; a 
double postmedial series of patches; a patch on costa before apex ;. 
a submarginal series of white specks. Hind wing very pale 
brownish grey; the underside thickly striated; a cell-spot and 
postmedial line. 
Hab. Sikhim. Hap. 44 millim. 
3495. Arichanna albovittata, Moore, Lep. Atk. p. 274; CG & S 
no. 3829. | 
Differs from ramosa in the fore wing being pale brown, with 
dark striz and very ill-defined ante- and postmedial dark bands ; 
the white markings consist of a broad postmedial band, sending 
an oblique streak to the apex, and an indistinct submarginal line. 
Hind wing entirely white on upperside, with cell-spot and lunulate 
postmedial line on underside. 
Hab. Sikhim. EHxp., 3 52, 9 56 millim. 
Sxor. II. (Arichanna). Antenne of male serrate and fasciculate ; 
hind tibiz not dilated; fore wing without fovea. 
3496. Arichanna plagifera, Wik. Cat. xxxv, p. 1686; C. & S. 
no. 3853. : 
Differs from biguadrata in being yellow-brown. Fore wing 
with the double series of 
patches less distinct ; 
some white scales on 
medial area and beyond 
the postmedial patches ; 
a submarginal series of 
patches and no subapical 
patch. Hind wing with 
indistinct cell-spots, post- 
Fig. 1389.—Arichanna plagifera, g. 1. ae he line, and marginal 
Hab. Sikhim. ap. 46 millim. 
