the Genn.s Imma. 180 



spot (partly defaced). Abdomen dark fuscous, somewhat sprinkled 

 with yellowish, beneath pale yellowish. Fore-wings elongate- 

 triangular, costa gently arched, apex rounded, termen rounded, little 

 oblique ; 7 and 8 stalked, 8 to termen ; blackish-fuscous, markings 

 ochreous-yellow ; a submedian streak from base to f, posteriorly 

 dilated ; a small oblique wedge-shaped spot on costa at i ; two large 

 rounded-triangular spots on costa at ^ and f, and two larger spots in 

 dorsal half of wing rather obliquely beyond these respectively ; cilia 

 whitish, with blackish basal line. Hind-wings blackish-fuscous, 

 towards base more thinly scaled and with several slender semi- 

 transparent streaks ; a longitudinal ochreous-yellow spot in disc 

 beneath middle ; cilia as in fore-wings. 



Borneo ; one specimen. 



49. /. hecta^a, n. sp. 



9 . 17 mm. Head ochreous-yellowish, crown fuscous. Palpi pale 

 ochreous-yellow, second joint anteriorly fuscous-tinged, terminal 

 joint short, light fuscous. Antennae dark fuscoixs. Thorax fuscous, 

 with a whitish-ochreous posterior spot. Abdomen dark fuscous, 

 somewhat mixed with pale yellowish, beneath pale yellowish. Fore- 

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

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

 a moderate ochreous-yellow streak from base below middle of disc to 

 i ; a slightly curved ochreous-yellow fascia from middle of costa, 

 broadest on costa and at |, constricted above middle, not quite reach- 

 ing dorsun at § ; cilia ochreous-white, base dark fuscous. Hind-wings 

 dark fuscous, with thinly scaled lighter elongate patches along dorsum 

 and in anterior portion of disc ; cilia as in fore-wings. 



Borneo ; one specimen. 



50. /. mesochorda, n. sp, 



1^. 15-16 mm. Head whitish-ochreous, crown in fuscated. Palpi 

 pale ochreous-yellowish, second joint fuscous externally on upper 

 half, terminal joint short, fuscous. Antennpe dark fuscous, beneath 

 pale yellowish, fasciculate-ciliated. Thorax and abdomen dark 

 fuscous, beneath ochreous- whitish. Fore- wings elongate, posteriorly 

 dilated, costa gently arched, apex rounded, termen rounded, some- 

 what oblique ; 7 and 8 stalked, 8 to apex ; dark fuscous ; a slender 

 rather irregular light ochreous-yellow slightly curved fascia from 

 middle of costa to f of dorsum, but not quite reaching dorsal edge, 

 constricted beneath costa ; cilia dark fuscous, tips paler, round apex 



