the Genus Imma. 185 



groove ; dark fuscovis, lighter towards base, especially in ^J ; in 9 a 

 fine pale yellowish almost marginal line round apex and upper half 

 of termen ; cilia fuscous, tips whitish. 



Borneo; two specimens. Also two in British Museum, 



38. /. aliencUa, Walk. 



Topaza aliencUa, Wallc., xxix, 808. 

 Borneo. 



39. /. omntJiarcha, n. sp. 



$ . 19 mm. Head ochreous-yellow, face paler, crown pale grey. 

 (Palpi broken.) Antennte yellowish, dark fuscous above, basal joint 

 rather large, with scales angularly projecting anteriorly. Thorax 

 dark purplish-fuscous, with two anterior and two posterior orange- 

 yellow spots. Abdomen dark fuscous, beneath whitish-ochreous. 

 Fore-wings elongate, posteriorly dilated, costa gently arched, apex 

 rounded, termen rounded, somewhat oblique ; 7 and 8 stalked ; 8 to 

 apex ; dark purple-fuscous, irregularly strewn with yellow-ochreous 

 scales between veins ; a short orange line beneath costa from base ; 

 cilia ochreous-white, with dark fuscous basal line. Hind-wings 

 fuscous, thinly scaled towards base, terminal third suffused with 

 dark fuscous ; cilia as in fore-wings. 



Borneo (Pulo Laut) ; one specimen in British Museum 



{Doherty). 



40. /. tricliinota, n, sp. 



(J $ . 17-18 mm. Head, thorax, and abdomen rather dark 

 fuscous, sides of face whitish-ochreous. Palpi dark leaden-grey, 

 second joint relatively short, yellowish above, terminal joint f of 

 second. AntennjB dark fuscous, ochreous beneath. Fore- wings rather 

 elongate, posteriorly dilated, costa gently arched, apex rounded, 

 termen rounded, little oblique ; 7 and 8 stalked ; 8 to costa ; dark 

 purplish-fuscous ; in (;J^ a longitudinal impression beneath costa 

 from i to middle, containing a tuft of long ochreous-whitish scales 

 from po.sterior extremity, covered by a flap of very long fuscous hairs 

 from anterior extremity ; costal edge ochreous-white from before 

 middle to | ; cilia ochreous-white, basal third blackish-fuscous. 

 Hind-wings with 6 and 7 stalked in ^, coincident in 9 ! dark 

 fuscous, towards base thinly scaled, with undefined semitransparent 

 median and subdorsal streaks ; cilia as in fore-wings. 



