174 GEOMETKID.F. 



SECT. II. (Achrosis). Fore wing with the outer margin excurved 

 at middle. 



3159. Hypochrosis pyrrhularia, Guen. Phal ii. p. 539; C. # S. 



no. 3703. 

 Pagrasa instabilata, Wlk. Cat. xxiv, p. 1086 ; Butl III. Net. vi, 



pi. 119, fig. 7. 



c . Grey ; the head, thorax, and abdomen irrorated and spotted 

 with black. Fore wing irrorated with black to beyond middle ; 

 some black spots at base ; a band of black spots just beyond middle, 

 angled below the costa ; a submarginal black spot on costa and 

 double series towards inner margin ; outer area reddish. Hind 

 wing with the inner area irrorated with black, and with submar- 

 ginal double line. Underside with the apical area of fore wing 

 bright yellow. 



Hob. Sikhim ; Assam. Exp. 38 millim. 



3160. Hypochrosis quadraria, Warr. P. Z. S. 1893, p. 409. 



$ . Ochreous grey. Fore wing suffused with vinous ; ante- 

 and postmedial lines each represented by an oblique black spot on 

 costa and two spots above inner margin. Hind wing orange, with 

 dark spots above anal angle. Underside orange ; fore wing with 

 the apical area vinous. 



Hub. Bhutan ; Khasis. Exp. 42 millim. 



SECT. III. Fore wing with the outer margin straight from apex 

 to vein 3, then excised to outer angle. 



3161. Hypochrosis rufescens, Butl. A. M. N. H. (5) vi, p. 224 ; id. 



III. Net. vi, pi. 119, fig. 6 ; C. $ S. no. 3704. 



<3 . Greyish vinous ; palpi blackish. Fore wing with outwardly 

 oblique antemedial and inw ; ardly oblique submarginal yellow lines 

 not reaching costa ; large black medial and postmedial spots on 

 costa; outer area suffused with fuscous. Hind wing with sub- 

 marginal yellow line from vein 4 to inner margin. Underside 

 with the costa and outer area of fore wing bright red. 



Hab. Sikhim. Exp. 40 millim. 



Genus PRIONIA. 



Prionia, Hiibn. Zutr. iv, p. 40 (1832). 

 Osicerda, Wlk. Cat. xxiv, p. 1083 (1862). 

 Isnisca, Wlk. Cat. xxvi, p. 1765 (1862). 

 Celesdera, Wlk. Cat. xxvi, p. 1749 (1862). 

 />mia, Moore, P. Z. S. 1867, p. 650. 

 Ainorphozancle, Warr. P. Z. S. 1893, p. 408. 



Type, P. squalidaria, Hiibn. 



Jl'inye. Japan ; throughout, India, Ceylon, and Burma ; Anda- 

 inans; Java; Borneo. 



Palpi slender and not reaching beyond the frons ; antennae 

 bipectinated in both sexes to near apex,' the branches longer in the 

 male than in the female ; hind tibia3 not dilated. Fore wing pro- 



