412 GEOMETRID &. 
wing being reduced to patches below costa, beyond lower angle of 
cell, and above inner margin, the submarginal dark markings to a 
streak below costa and two at middle. 
Hab. E. Pegu (Doherty). Eap.40 millim. Type in coll. Elwes. 
Genus HYDRELIA. : 
Hydrelia, Hiibn. Verz. p. 822 (? 1818). Ta 
Agnibesa, Moore, Lep. Atk. p. 256 (1888). 3 
Autallacta, Warr. P. Z. S. 1898, p. 365. 
Type, H. sylvata, Schiff., from Europe. 
Range. Nearctic and Palearctic regions; Northern Punjab; 
Himalayas; Khasis; Nagas. 
Palpi slight and hardly reaching bevond the frons, which is 
rounded; antenne cf male ciliated; hind tibize with two pairs of 
spurs. Fore wing with vein 3 from near angle of cell; 5 from 
middle of discocellulars; 6 from or from above upper angle; 11 
anastomosing with 7, 8,9, 10 to form the areole. Hind wing with 
vein 3 from near angle of cell; 5 from middle of discocellulars ; 
6, 7 stalked; 8 anastomosing with 7 to near end of cell. 
Secr. I. (Hydrelia). Both wings with the outer margin 
evenly rounded. 
A. Hind wing of male not distorted nor clothed with long scales 
on underside, 
3818. Hydrelia phasma, Buti. A. M. N. H. (5) iv, p. 441. 
Acidalia latsaria, Oberth. Et. Ent. xviii, p. 82, pl. iii, fig. 35, 
Purplish grey, irrorated with fuscous; the frons dark chocolate. 
Fore wing with indistinct waved subbasal line; three waved ante- 
medial lines, which almost meet on inner margin, the outermost 
with some ferruginous on it; a black cell-speck; three waved 
postmedial lines, the middle one with some ferruginous on it; a 
waved submarginal line. Hind wing with seven indistinct waved 
lines, the basal area without lines; both wings with marginal series 
of black strige. 
Hab. Japan; Tibet; Sikhim. vp. 24 millim. 
3819. Hydrelia rufigrisea, Warr. P. Z. S. 1893, p. 364, pl. 32, fig. 6. 
g. Pale brownish ochreous. Fore wing with traces of several 
waved lines on the basal area, which is suffused with fuscous: an 
oblique ochreous medial band, with a black cell-speck and black 
streak on median nervure between veins 3 and 4; an oblique rufous 
postmedial line becoming medial on hind wing, the area beyond it 
suffused with fuscous and with four waved lines; a marginal series 
of black specks. 
Hab. Sikhim. xp. 30 millim. 
