178 PTKALID^. 



Oligostigma pidchellale. (Plate CLXXIV. fig. 30.) 



Expanse ^ inch. 



Male. Vertex of head white ; thorax brown, with the collar, patagia, and streaks on 

 meso- and metathorax white. Fore wiug fulvous yellow suffused with brown, with white 

 longitudinal streaks from the base along the median and submedian nervures ; the inner 

 margin with a white-and-brown streak from before the middle to the outer angle ; a post- 

 medial white patch from the costa to the third median nervule ; a submarginal black line 

 inwardly edged with white ; a marginal black line. Hind wing brown, the base and base of 

 costa white, ending in a large patch ; a white antemedial band expanding into a large patch 

 on the inner margin ; a postmedial curved white line from the costa to the white blotch on 

 the inner margin ; a white patch at apex inwardly edged by black, and another on the centre 

 of the outer margin without the black edge ; a marginal black line obsolete at the lobe, on 

 which are three black spots each inwardly edged by white. The tufts on hind femur black. 



Cataclysta nigritalis. (Plate CLXXIV. fig. 5.) 

 Cataclysta blandialis, Moore (nee WaWcer), Lep. Ceyl. iii. p. 299, pi. 179. fig. 15. 



Expanse y^ inch. 



Male. Differs from C. blandialis, W\k. = cuneiffera, Moore, in the patches on the wings 

 being nearly black instead of grey ; the yellow areas being of a fulvous tint. Fore wing 

 with the silvery subbasal and antemedial bands obsolescent ; the postmedial silvery streak 

 from the costa obsolete, and the spot near the outer angle small ; the submarginal band 

 suffused with fuscous. Hind wing with the silvery subbasal line obsolescent, and the two 

 spots on the outer margin nearest the apex joined together. 



Catoclysta fuscalis. (Plate CLXXIV. fig. 13.) 



Expanse ^^ inch. 



Male. Head brownish ochreous ; thorax and abdomen fuscous. Fore wing smoky 

 brown ; a submarginal ochreous band from below the costa to the third median nervule ; a 

 marginal ochreous band obsolescent towards outer angle. Hind wing smoky brown ; a very 

 indistinct waved postmedial pale line ; a marginal fulvous band, on which are five conjoined 

 black spots centred with bluish silver. 



Ambia siiffusalis. (Plate CLXXIV. fig. 20.) 



Expanse ^ inch. 



Female. Differs from A. locuplcs, Butl., in the ground-colour of the wings being reddish 

 ycUow suffused with black, especially at the base of the fore wing and on the disk of the hind 

 wing. Fore wiug with the basal bands broken up and irregular ; the postmedial white band 

 from the costa narrower and not so well defined with black ; the submarginal baud ending 



