Lepidoptera of the Khasia Hills. 169 
wings with vein 2 one fourth from lower end of cell, 3 just 
before the end, 5 above the centre of disco-cellulars, rather close 
to the upper end of cell, 6 and 7 from end of cell ; forewings with 
veins 2 and 3 as in hindwings, 5 from centre of disco-cellulars ; 
hind tibiee with two pairs of short spurs. 
169. I. iridicolor (Butler), Ann. Mag. N. H. (5), vi, 
p. 227 (1880). 
Cherra Punji; one pair. 
Genus Tosaura, Swinh. 
170. T. falcipennis (Moore), Deser. Ind. Lep. Atk., iu., 
p. 266, pl. 8, fig. 29 (1887). 
Shillong and Cherra Punji; common. 
Vis Pomecaria, Swinh., Trans. Ent. Soc., 13892;' p. 16; 
pli, fie? 1G: 
Shillong ; many examples. 
Fam. GEOMETRIDAS. 
Genus HuscuEema, Hiib. 
Hazis, Boisd. 
Heleona, Swainson. 
172. HE. militaris (Linn.), Mus. Lud. Ulr., p. 375 (1764). 
Shillong. 
173. H. excubitor, Moore, P. Z. 8., 1878, p. 846. 
Shillong. 
Genus Pacayopes, Guén. 
174. P. hemataria (Herr Schiiff.), Exot. Schm., figs. 2065, 
206 (1850-69). 
P. ornataria, Moore, Descr. Ind. Lep. Atk., in., 
p. 249 (1887). 
Common. 
175. P. vigens (Butler), Ann. Mag. N. H. (5), vi., 
p. 127 (1880). 
Common. 
176. P. apicalis (Moore), Descr. Ind. Lep. Atk., iii., 
p. 247 (1887). . 
Common. 
