280 NOCTTJID^. 



Ab. 1. Fore wing with the terminal half pale brown leaving dark 

 patches before the postmedial line from costa to vein 4 and vein 2 

 to inner margin and a dark patch on costa towards apex; hind 

 wing with the area beyond the postmedial line pale brown. — Coram, 



Hab. Borneo, Trusan (Shelford), 1 $ type ; Cekam in Coll. 

 Druce. Ewjp. 106 millim, 



7401. Nyctipao sumatrensis, n. sp. (Plate CCV. fig. 3.) 



5 . Head, thorax, and abdomen fuscous brown. Fore wing 

 fuscous brown, the basal area tinged \\ith purplish grey, the 

 terminal area somewhat paler and with numerous faint dark striae ; 

 a sinuous blackish antemedial line; an inverted comma-shaped dis- 

 coidal mark with bilobate head, defined by black and ochreous grey 

 and its extremity by silvery blue, the black medial line arising 

 below costa just beyond it, slightly incurved at vein 6, then 

 excurved round lower extremity of the diseoidal mark and angled 

 inwards below it on vein 2, then sinuous to inner margin ; post- 

 medial line indistinct, pale defined on inner side by a black-brown 

 shade, strongly angled outwards above vein 2, then incurved, and 

 again excurved below vein 2 ; a blackish patch on costal area 

 towards apex ; a subterminal series of small black and white 

 lunules, incurved below vein 6 and excurved at submedian fold. 

 Hind wing fuscous brown, the terminal half greyish brown with 

 numerous faint dark striae ; a curved minutely waved dark ante- 

 medial line ; a blackish medial shade bounding the dark area and 

 excurved below costa ; a subterminal series of slight pale and 

 blackish lunules, incurved below vein 6. Underside of both wings 

 fuscous brown ; fore wing with postmedial series of eight white 

 spots in the interspaces, the spot below vein 7 lai'ger and displaced 

 outwards, a subterminal series of slight white and black lunules ; 

 hind wing with postmedial series of small whitish spots in the 

 interspaces and subterminal series of slight white and blackish 

 lunules. 



Ab. ] . Fore wing with pafch of white suffusion between the 

 postmedial and subterminal lines from costa to vein 6, then grey 

 irroration to inner margin ; hind wing with the postmedial area 

 suff'used with white. — In Coll. Druce. 



Mab. StTMATEA (de Niceville), 1 $ type. Exp. 100 millim. 



Sect. II, {Patula.) Hind wing of male with the costal half aborted and 

 forming a fold turned over on upper surface containing a large 

 glandular patch of flocculent hair, vein 4 running to the functional 

 apex, 5 from middle of discocellulars, G to the fold, 7 and 8 very 

 minute to near base of costa. 



A. Fore wing of male with fine black subterminal line. 



a. Fore wing of male with the subterminal line close to 



termen and evenly curved below vein 8 nyctaculis. 



b. Fore wing of male witli the subterminal line further 



from termeu and somewhat sinuous m'osa. 



