OKTnOGONICA, 47 



siifi'usecl with silvery grey in places, tiie inner half of antemedial 

 area suffused with silvery grey, the postmedial area striated with 

 brown, the median nervure streaked with white on medial area, the 

 veins of terminal area with slight pale streaks and the inner margin 

 M'ith rufous fascia except at base ; a slight ochreous mark at base 

 below cell ; subbasal liue double filled in with grey, oblique from 

 costa to a brown mark in cell, a small semicircular bi'own and 

 ochreous mark beyond it in cell; antemedial line double and filled 

 in with silvery grey from costa to median nervure, oblique and sinuous 

 to median nervure, then very obli(]ue to inner margin near base, 

 with difi'used black-brown fascia beyond it above vein 1 ; claviform 

 represented by a small black spot at its extremity with some silvery 

 grey beyond it ; orbicular and reniform with silvery grey centres 

 and slight ochreous annuli, the former small, oblique elliptical, the 

 latter a very large oblique lunule defined by black except above and 

 with fine curved dark line iu centre, some black-brown ,in lower 

 part of cell between them and beyond the reniform ; medial line 

 very oblique from costa to reniform, oblique below cell and incurved 

 in submedian fold ; postmedial line indistinctly double towards 

 costa and below vein 2, slightly bent outwards below costa, then 

 with series of black points beyond it on the veins, incurved to vein 4 

 where it is angled outwards, then incurved and bent outwards at 

 vein 1 ; a pale apical patch defined by red-brown suffusion on 

 inner side ; subterminal line dark brown, arising from termen at 

 vein 7, oblique to vein 5, then with greyish and red-brown band on 

 inner side and straight to tornus ; a terminal series of slight brown 

 spots ; cilia ochreous and brown with ochreous line at base. Hind 

 wing dark red-brown ; cilia with ochreous line at base followed by 

 a red-brown line, the tips white ; the underside tinged with greyish 

 and with indistinct curved postmedial line. 



Ab. 1. Fore wing with some grey suffusion on postmedial area 

 and at apex and a whitish patch beyond postmedial line in sub- 

 median interspace. 



Ab. 2. Fore wing with the ground-colour dark grey-brown. 



Hah. AV, China, Chang-yang {Pratt), 1 J type, Wa-shan {Pratt), 

 1 cT , Kwei-chow, 1 cj , 1 $, Wa-ssu-kow, 1 S . Exp. 62-76 

 millim. 



2783. Orthogonica sera. 



Orihogonia, sera, Feld. Wien. ent. Men. vi. p. 38 (1862) ; id. Eeis. Nov. 



pi. 112. f. 15. 

 Orihogonia crispina, Butl. A. M. N. H. (5) i. p. 288 (1878) ; id. III. Het, 



B. M. ii. p. 36, pi. 32. f. 6. 



Head and thorax red-brown slightly mixed with greyish, the 

 vertex of thorax with pale grey stripe, the tegulaa and patagia above 

 slightly edged with grey ; palpi greyish in front ; hind legs pale 

 greyish ; abdomen grey-brown, the anal tuft rufous, the ventral 

 surface pale. Fore wing grey slightly tinged with rufous and with 

 slight dark striae, the medial area dark red-brown, the terminal 



