( ii:! ) 



red-brown. Underside deep gilded yellow, dnll reddish along co-jta and towards 

 bindmargin of forewings. 



Expanse of wings : 50 mm. 



Se\eral c? 6 from 15orneo. 



33. Organopoda sanguinata sp. nov. 



Forewings: deep yellow, much suffused with deep dull red; costa of forewing 

 smoky; antemedian, median, postmedian, and submarginal lines deep red, thick, and 

 indistinctly denticulate; with some blackish scales on tlie teeth, especially towards 

 inner margin; submarginal line with a darker blotch oiijiosite the cell; a row of 

 black spots along bindmargin ; fringe reddish ; a large round dull black discal blotch. 



Hindmngs: the same. 



Thorax and abdomen coneolorous ; face and collar smoky, like the costa of 

 forewings. Underside dull reddish, with the discal spots blurred, blackish. 



Expanse of wings : 30 mm. 



One (J from the Khasias. 



Orthoserica gen. nov. 



Forewings : with costa gradually curved throughout ; apex rounded ; bindmargin 

 strongly curved ; anal angle obtuse. 



Hindwings: broad; bindmargin well rounded, subcrenulate ; anal angle produced; 

 c? antennae pectinated, the pectinations shortly ciliated ; palpi horizontally [wrrect, 

 thick; third joint indistinct; tongue |)resent ; hind legs shortened ; tiliia with very 

 long tuft of hair from base covering tarsus, which is quite short. 



Neuration: forewings, cell half the length of wing: fir.st median at four-fifths, 

 second close before end, third from the end of cell ; lower radial from rather above 

 centre of discocellular, upper from upper angle ; second subcostal shortly stalked 

 with the last three, anastomosing with the first and then again with the common 

 stem of the others, forming a double areole. Hindwings with the two subcostals short- 

 stalked ; medians as in forewings. Wings of weak structure, and thinly scaled. 



Type : Orthoserica rutigrised sji. nov. 



34. Orthoserica rufigrisea sp. nov. 



Forewings : dull brick-red with pale greyish markings ; the costa is broadly dull 

 grey ; the space between basal patch and central fascia, a large apical blotch, a 

 narrow blotch along lower half of bindmargin, and the submarginal line are pale grey, 

 rather glossy ; discal spot dark red-brown ; beyond and slightly above it is a 

 subquadrate pale grey spot, coalescing with the costal streak ; the exterior line at 

 four-fifths is darker red, denticulate, and wavy, but not distinct ; submarginal line 

 narrow, zigzag; fringe grey mixed with rufous. 



Hindwings: with basal area pale grey, with a few reddish .scales close to base; 

 a blackish discal .siiot surrounded with grey; central and submarginal lines wavy; 

 denticulate, pale with dark red edging internally; marginal space more or less mixed 

 with grey scales. 



Head, thorax, and abdomen dull reddish ; face and paliii and edge of costa dark 

 brown-red. Underside pale dull grey, with the discal spots and exterior lines alone 

 marked darker. 



Expanse of wings : 44 mm. 



Two 6 6 from the Khasias. 



