( 19 ) 



Trotothyris gen. iiov. 



Forewinijs : with costa strongly shouldered at base, slightly sinuate beyond ; apex 

 minutely produced ; hindniaigin vertical from just below apex to vein 3, where it is 

 bluntly elbowed and excised to anal angle. 



Hinchvings : narrow, with the projection at vein 3 broader, the excision below 

 as in forewings. 



Antennae (?) simple; tongue present; frenulum ab.sent ; palpi short, applied 

 to face ; hind tibiae with four spurs ; the legs smoothly scaled. 



Neuration : forewings, cell not half as long as wing ; discocellular very oblique ; 

 veins 7, 8, 9, 10 stalked; 11 anastomosing with stalk of 8, 9, 10, forming a long 

 areole. 



Type : Trotothyris ahnoriualis sp. nov. 



lio. Trotothyris abnormalis sp. nov. 



Foreivmr/s : pale pinkish fawn-colour; the costal and subcostal veins marked 

 with silvery scales ; a large hyaline spot beyond cell, edged with black and externally 

 again with ferruginous, with a small hyaline dot at its base ; outer line from costa 

 above the hyaline patch, forming the edge of the ferruginous border, and below the 

 middle straight and oblique to inner margin at two-thirds, where it is edged with a 

 pale lustrous line ; a wavy darker submarginal line, becoming dark brown towards 

 anal angle, and followed by a feri'uginous patch at the elbow ; fringe dark brown ; there 

 are traces of three or four curved and wavy lines before the hyaline patch"; a minute 

 black cell-dot. 



Hindivin.fjs : with costal area pale; a dark diffuse pale-edged central line, and 

 traces of a submarginal line from apex to elbow, which is ferruginous ; fiinge blackish ; 

 a dark spot below median vein near base. 



Underside pearly ochreous, with a pinkish tinge ; marginal area fawn-colour. 



Face dark lirown ; vertex, thorax, and liase of abdomen concolorous with wings ; 

 rest of abdomen pale grey. 



Expanse of wings : 28 mm. 



One ? from Peuungah, December 1893 ff'ator /e^/.). 



Family THYRIDIDAE. 

 -M. Addea rectisecta sp. nov. 



Foi'eivings : ochreous, with numerous olalique pale brown tesselated fasciae which 

 become confluent in the costal area and form a brown subcostal streak ; an annular 

 cell-spot, externally dark-edged, followed by three blackish dashes above vein .i ; 

 on the submedian fold towards the base are two or three more dark dashes ; fringe 

 pale, with the base broadly pale brown. 



Hindim.iujs : with six straight brown fasciae parallel to hindmargin, the third 

 the darkest, the sixth narrow. 



Underside similar. Face, palpi, and collar pale brown ; thorax and abdomen 

 pale ochreous mixed with pale brown ; the abdomen with a dark ring in middle, 

 corresponding with the dark third fa.scia of the hindwings. 



Expanse of wings : 16 mm. 



One 6 from Amboina, February 189:^ (W. Doherty). 



Distinguished by the straight-cut hindmai-gin of hindwings. 



