360 GEOMETRID®. 
b. (Bustroma). Fore wing of male with a fringe of long hair on 
medial part of ven 1 on underside. 
3663. Cidaria porphyriata, Moore, Lep. Atk. p.276; C. §& 8. no. 3881. 
Cidaria multistriata, Butl. Il. Het. vii, p. 119, pl. 137, fig. 21. 
Head, thorax, and abdomen rufous and grey. Fore wing bright 
rufous, with numerous prominent white lines; four sinuous 
outwardly-oblique lines on basal area; a double broader ante- 
medial line angled on median nervure; two indistinct double 
lines on medial area, the outer highly angled at lower angle of 
cell; a dark striga on discocellulars ; a double postmedial line 
oblique from costa to vein 4, where it is joined by the submarginal 
line, and thence very highly crenulate to inner margin. Hind 
wing whitish, with some dark marks and traces of a pale waved 
submarginal line on anal area. 
Hab. N.W. Himalayas; Sikhim. ap. 26-30 millim. 
3664, Cidaria inextricata, Wik. Cat. xxxv, p. 1691; C. § S. no. 3854. 
Cidaria eerosa, Butl. A. M. N. H. (6) i, p. 461. 
Head, thorax, and abdomen pale ochreous, with slight black 
markings. Fore wing black-brown; the veins ochreous; an ob- 
lique sinuous subbasal ochreous line; an antemedial ochreous 
band composed of two lines filled in with ochreous except at costa, 
very highly dentate on vein 2, where it joins the markings of | 
outer area; a fine line beyond it; the medial area with a fine 
ochreous line enclosing a patch from costa to vein 2, and a figure- 
of-8-shaped mark above inner margin; the markings of outer 
area consist of two lines from the costa joined at vein 5 by 
a crenulate submarginal line and oblique streak from apex, 
then becoming a highly crenulate band, with its inner part dark 
ochreous. Hind wing pale ochreous, with two postmedial waved 
lines and marginal fuscous band. Underside ochreous, with post- 
medial dentate line. 
Hab. Japan; Sikhim. Hap. 36 millim. 
3665. Cidaria aurigena, Butl. A. M. N. H. (5) vi, p. 280; cd. Zl. 
Het. vi, pl. 120, fig. 10; C. § S. no. 3845. 
Differs from iextricata in the stripes on thorax and markings of 
fore wing being bright brassy yellow. ore wing with the base 
brassy yellow; the antemedial band broader, with brassy suffusion 
on it, before it, and beyond it, not so highly angled on vein 2, nor 
joined to the markings of outer area except by brassy suffusion ; 
the postmedial band broader, joined to the medial patch by brassy 
suffusion, its inner edge not crenulate; brassy suffusion on the 
outer area from vein 4 to outer angle. Hind wing dark fuscous. 
Underside of fore wing with the disk fuscous. 
Hab. Dalhousie; Sikhim; Khasis. vp. 30 millim. 
3666. Cidaria chalcoptera, n. sp. 
Q. Differs from aurigena in the ground-colour being chestnut ; 
