( 81 ) 



Pi'istostegania gen. nov. 



Allied to Steqania ; veins 10 and 11 of forewings coiucident ; antennae of S 

 serrate ; forewings of c? with a fovea ; the lower radial decidedly above middle of 

 discocellnlars. 



Tyjte : Prist ostet/ania triUncata Moore. 



186. Pristostegaiiia(?) bilineata sp. nov. 



ForewinflS : pinkish oehreous, linely irrorated with fuscons ; the costa yellowish ; 

 first line at one-third, slightly oblique outwards, yellowish ; second line beyond two- 

 thir<ls, slightly obliqne inwards, yellowish ; the space between the lines somewhat 

 darker, especially towards each line ; cell-spot hardly darker ; fringe concolorous, 

 with a reddish liasal line. 



Hindwings : with no first line ; the cell-spot prominently darker ; outer line 

 from three-fourths of costa to inner margin just above anal angle, Ijcfore which it is 

 bent, yellowish, internally with a darker shade ; fringe as in forewings ; the hind- 

 margin is elbowed at vein 4. 



Underside duller, with outer line and cell-sjiot marked witli fuscous, especially 

 on the veins. Face, palpi, vertex, and antennae pale ferruginous ; thorax and 

 abdomen concolorous with wings, the thorax rather paler. 



Expanse of wings : 38 mm. 



One ? from Sandakan, North Borneo. 



187. Pristostegania flavata sp. nov. 



Forewiw/s : ^^ellowish, flushed witli deeper yellow ; costa at base brown ; the 

 basal area darker ; the lines slender, ferruginous ; first at one-fourth, bent below 

 costa, then oblique ; second line straight, in the middle ; third at five-sixths, slightly 

 curved ; fringe concolorous, beyond a very fine marginal line. 



Ilindwings : with only two lines. 



Underside paler, thickly dusted with reddish brown ; the lines reddish. Face 

 and j)ali)i reddish brown ; vertex yellowish ; collar dark brown ; thorax and abdomen 

 yellow. 



Expanse of wings : 26 mm. 



One (J from Weenen, Natal, February 1894. 



Prochasma gen.inov. 



Allied to Stfi/ania, VQina 10 and 11 of forewings being coincident : distinguished 

 by the fully pectinated antennae of the t?, and the strong metallic metathoracic 

 tuft. 



Type : Prochasma niimica sp. nov. 



In the type-species the cell of fbrevvings is imlf tlie length of the wing. 



188. Prochasma mimica sp. nov. 



Foreicings : oehreous, overrun witli dark fuscous strigae, which along costa and 

 inner margin become confluent : a wliite curved band near base, and an irregularly 

 edged white band at two-tliirds, parallel to hindmargin ; a wavy interruiited wliite 

 submarginal line ; some pale scales at apex ; a yellowish horizontal streak from first 



