C olK ) 



(18. Plerocymia arenaria sp. nov. 



ForeiL'in<js : ochiaceous, thicklv dusted with dull ferruginous ; the lines ferrugi- 

 nous, all very indistinct ; a fine curved hasal Hue; central fascia rather darker than 

 rest of wing; the inner edge curved and waved, followed hv one or two obscure lines; 

 outer edge at three-fourths, distinct, oblique, parallel to hinduiargin, slightly angled 

 on vein 4, preceded by two irregularly waved thick lines; marginal paler sjiace with 

 traces of four lines marked chiefly on the veins; fringe browner. 



Hinchmnc/s : dull whitish, with a curved postniedian line marked with dots on 

 the veins; marginal line ferruginous; fringe while. 



Underside paler; forewings suffused with pale ochraceous, and with traces of the 

 lines; hindwings whit i.sh speckled witli ferruginous, with the postmedian and traces 

 of two subniarginal lines; both wings with brown cell-s]iot. Head, thora.\, and 

 abdomen concolorous with forewings. 



Expanse of wings : 35 mm. 



One ? from the Escarpment, British Kast Africa, Decend^er 19U0 — January liiOl 

 (Doherty), 6500-^9000 ft. 



Nearest in markings to the European P. liiuildta. 



SniFAMiLY DEILIMINAE. 

 09. Pigiopsis parallelaria sp. nov. 



Forewings: glossy white, finely dusted with blackish atoms along the costal 

 area; the lines pale grey, parallel in the main to hindmargin, and all becoming more 

 or less obsolete before reaching costa; the basal, median, and outer lines rising at 

 equal distances from each other on inner margin, the first two straight, the outer 

 double, parallel to the other two as far as vein 3, then slightly concave outwards, 

 angled at vein fi and retracted to costa; sulmiarginal line also double, near and 

 parallel to hindmargin ; marginal line finely lilack ; fringe white with a grey 

 dividing line. 



Iliiidivinijs : with single anteniedian, and double postmedian and sulmiarginal 

 lines, these last curved. 



Underside white, without markings; the co.sta speckled with black; minute 

 black marginal points at I he end of the veins. Antennae and forelegs in front 

 fuscous; palpi externally and face brown, I lie latter with a snow-white bar below 

 middle ; thorax and abdomen white. 



Expan.se of wings : 39 mm. f 



l\vo (J c? from the Escarpment, British East Africa, (Ictober — November 1900 

 and February 1901 (Doherty). 



70. Zamarada ochrata sp. nov. 



Forewings: subhyaliue, clothed with yellowish ochreous scales, (ineiy varied 

 with striae of dark specks; costa more thickly .scaled with deeper oehieous; a 

 distinct basal iiatch of brown scales, its edge obliipiely curved, and angled below 

 costa; a sinuous brownish median shade from a brown costal sjiot, touching the 

 distinct cell-spot, which is formed of a tuft of whitish lustrous scales preceded by 

 a fine black lunule; marginal area browiiisli uelireoiis, above vein 1 wliolly brown, 



