46 N0CTTJ1D.T<:. 



27S1. Orthogonica plana. (Plate CYIII. fig. 16.) 

 Orthogonia plana, Leech, Trans. Ent. Soc. 1900, p. 50. 



Head and thorax bright red-brown ; palpi yellow mixed with 

 brown and with brownish band near extremitj' of 2nd joint ; irons 

 with lateral black bars ; vertex of head with two slight dark marks ; 

 prothoracic crest yellowish with grey patch behind it ; pectus and 

 legs with some ochreous and rufous ; abdomen grey-brown, 

 the anal tuft at extremity and ventral surface rufous. Fore wing 

 bright red-brown, the inner margin with greyish fascia ; subbasal 

 line indistinctly double filled in with greyish, oblique from costa to 

 median nervure, then with slight dark mark before it and ending at 

 submedian fold ; a dark point in cell before the antemedial line, 

 which is double at costa, oblique to median nervure, then very 

 oblique to above inner margin near base, defined by silvery grey on 

 inner side and with diffused black patch beyond it below vein 1 ; 

 claviform represented by a dark point at its extremity ; orbicular a 

 very small blackish spot ; reniform very faintly defined by brownish, 

 its upper extremity produced to a point ; medial line slight, oblique 

 from costa to lower angle of cell and angled outwards at subcostal 

 nervure, then inwardly oblique and waved ; postmedial line 

 indistinct, bent outwards below costa, then minutely waved and 

 with scries of black points beyond it on the veins, incurved at discal 

 and submedian folds and bent outwards at vein 1, some yellowish 

 points beyond it on costa : subterminal line yellowish, minutely 

 waved, defined on inner side by a slight brown line and dark points, 

 met at vein 5 by an oblique brown streak from termen at vein 7, 

 then defined by brown on outer side and erect to tornus ; a terminal 

 series of slight brown points ; cilia red-brown at base, yellow at 

 tips. Hiud wing dark red-brown ; cilia yellow with a brown line 

 near base ; the underside slightly tinged with greyish, a curved 

 brown postmedial line. 



Ab. 1. Fore wing with the postmedial area paler and more 

 ochreous striated with brown. 



Ab. 2. Fore wing much greyer brown. 



Ab. 3. Fore wing with the ground-colour pale olive-brown. 



Hah. W. China, Omei-shan, 1 J , Chang-yang (Fratt), 2 (S , 

 Washan (Pratt), 1 d , jSfi-tou, 2 c? , Wa-ssu-kow, 2 cj , Chia-kou-ho, 

 1 J , 1 2 ! Chow-pin-sa, 1 J , Pu-tsu-fang, 1 d" , Ta-chien-lu (Pratt), 

 3 J , 2 2 type. E.vj''- 66-72 millim. 



2782. Orthogojiica plTimbinotata, n. sp. (Plate CYIII. fig. 17.) 



Head ochreous tinged with rufous ; palpi with dark baud near 

 extreniity of 2nd joint ; frons with lateral black bars ; vertex of 

 head with two slight brown marks ; thorax dark red-brown with 

 grey dorsal fascia, the tegulse with slight ochreous medial line ; 

 pectus and legs ochreous tinged with rufous ; abdomen grey-brown, 

 the anal tuft mixed with rufous, the ventral surface oclireous. 

 Fore wing pale rufous, the medial area except towards costa beyond 

 antemedial line and the terminal area except at apeji red-brown 



