152 ZOOLOGISCHE MEDEDEELINGEN — DEEL VI. 



7 to termen. Hindwings with 3 and 4 connate, 5 approximated at base, 

 6 and 7 stalked. 



A development of Acroclita. 



Tritopterna chionostoma n. sp. 



cT 10 mm. Head and thorax greyish. Palpi greyish, obliquely barred 

 with fuscous, internally snow-white except dark fuscous base. Abdomen 

 pale greyish. Forewings elongate, widest towards middle, costa gently 

 arched, apex obtuse, termen short, somewhat sinuate, little oblique ; 

 greyish obscurely strigulated with dark fuscous irroration ; costa dark 

 fuscous with pairs of oblique whitish strigulae; basal patch obscurely 

 darker, edge irregular, angulated in middle ; costal portion of central 

 fascia darker, oblique, rest undefined; a small dark fuscous apical spot, 

 edged on costa and termen by triangular white dots: cilia greyish. 

 Hindwings light grey, thinly scaled, veins dark grey; a dark fuscous 

 hairpencil lying beneath costa from base to middle; cilia light grey. 



Java, Buitenzorg; one specimen. 



Acroclita prasinissa n. sp. 



9 16 mm. Head, palpi, and thorax yellow-greenish, tip of palpi 

 whitish. Forewings elongate, costa gently arched, apex obtuse-pointed, 

 termen sinuate, rather oblique; yellow-greenish; markings deeper olive- 

 greenish edged with blackish; an incompletely formed narrow angulated 

 subbasal fascia, obsolete towards dorsum ; a spot on costa at l j 5 ; a trian- 

 gular spot on dorsum at */ 4 ; a triangular blotch on middle of costa 

 reaching half across wing and including a costal spot of ground-colour; 

 a small spot on costa at 3 / 4 ; a fasciate streak from costa at 5 / G parallel 

 to termen reaching more than half across wing, and triangular spot from 

 dorsum at 4 / 5 directed towards it; a small spot on costa just before apex; 

 several blackish dots on costa between these markings : cilia green-yellowish. 

 Hindwings rather dark grey ; cilia light grey, whitish-tinged towards tips. 



Java, Preangor, 5000 feet (Sythoff); two specimens. Allied to the 

 Indian chlorissa. 



Acroclita clarissa n. sp. 



9 18 mm. Head whitish-grey. Palpi whitish-grey, second joint with 

 blackish median bar and apical spot. Thorax pale ochreous-greyish, patagia 

 greenish, small marks on shoulders and two posterior marks black. Fore- 

 wings elongate, costa gently arched, apex obtuse-pointed, termen slightly 

 sinuate, little oblique; dull grey-greenish, with scattered white scales; 

 costa dark fuscous, with pairs of oblique whitish strigulae; a small 



