ORTHOGONICA. MAJSTA. 49 



2784. Orthogonica grisea. (Plate CVIII. fig. 18.) 

 Orthogonia gri&ea, Leech, Trans. Ent. Soc. 1900, p. 50. 



Head and thorax dark red-brown finely pencilled with grey: tegulje 

 and patagia slightly edged with grey ; hind legs pale ; abdomen 

 red-brown, the ventral surface pale. Fore Aving grey tinged with 

 brown and striated with blackish, the terminal area darker brown, 

 broad at costa, narrowing to tornus, the veins of terminal area with 

 slight pale streaks, the inner margin with slight rufous fascia ; 

 subbasal line represented by an oblique black band from costa to 

 above vein 1, curved outwards as a slender hook at extremity and 

 with black spot below it above inner margin ; antemedial line 

 indistinct, strongly curved, with dark striga from costa ; orbicular 

 absent ; reniform very indistinct, oblique oblong ; an indistinct 

 medial line, oblique from costa to lower angle of cell, then inwardly 

 oblique : postmedial and subterminal lines absent ; a small black 

 spot on inner edge of the dark terminal area below vein 5 ; cilia with 

 a fine pale line at base. Hind wing dark red-brown, the terminal 

 area rather darker, an indistinct oblique medial line ; cilia with 

 fine pale line at base followed by a brown line, the tips white ; the 

 underside slightly tinged with grejash, a slight dark discoidal bar 

 and curved postmedial line. 



Eah. W. China, Omei-shan, 2 J , 1 $ type. Exp. 60-68 millim. 



Genus MANIA. 



Type. 



Mormo, Ochs. Scbmett. Eur. ir. p. 70 (1816), non cTescr onaura. 



Mania, Treit. Schmett. Eur. v. (1) p. 21)4 (1825) maura. 



Proboscis fully developed ; palpi obliquely upturned, the 2nd joint reaching 

 about vertex of head and moderately scaled in front, the 3rd moderate ; frons 

 smooth ; eyes large, round ; antennce of male ciliated ; thorax clothed with 

 scales and hair mixed, with divided crests on pro-, meso-, and metathorax ; 

 tibias moderately fringed with hair ; abdomen clothed with rough hair, with 

 dorsal series of crests and lateral fringes of hair. Fore wing very broad, the 

 apex rectangular, the termen evenly curved and the termen and cilia strongly 

 Granulate ; veins i3 and 5 from near angle of cell ; 6 from upper angle ; 9 from 

 10 anastomosing with 8 to form the areole ; 11 from cell. Hind wing with 

 veins 3, 4 from angle of cell ; 5 obsolescent from middle of discocellulars ; 

 6, 7 from upper angle ; 8 anastomosing with the cell near base only. 



A. Hind wing with pale medial line maura. 



B. Hind wing without pale medial line;. 



a. Fore wing with the medial area suffused with blackish, the 



inner margin with pale fascia. 

 aX. Fore wing with the postmedial line oblique and sinuous 



below vein 5 muscivireiis. 



Ji. F"'ore wing with the postmedial line incurved below 



vein 4 venaia. 



b. Fore wing with the medial area concolorous, the inner 



margin without pale fascia. 

 0.1. Fore wing with the antemedial line very oblique and 



straight below submedian fold vyciichroa. 



VOL. VII. E 



