LirHOSID.-E. 213 



rather small and with iudistinct spots, is found in Japan. It 

 is not closely allied to any European species, but some nearly 

 related species are received from India. 



2. L. aureola, Hdh. ; sororcula, Stand. Cat. — Expanse, 

 1 to 1^ inch. Fore wings narrow at the base, spotless, 

 golden yellow ; hind wings pale yellow. 



Antennae threadlike, but with a double row of delicate 

 bristles, set rather far apart, black-brown ; head and thorax 

 deep yellow ; abdomen slender, blackish, dusted with yellow 

 scales, and with the anal tuft deep yellow. Fore wings narrow 

 at the base, broader behind, with the costa much rounded 

 beyond the middle, and its extreme margin sometimes slightly 

 rolled back ; apex and hind margin rounded, dorsal margin 

 slightly curved ; shining rich yellow, with the costa more deeply 

 yellow ; without markings, but sometimes having them iddle 

 portion of the wings faintly shaded with hoary-gre}' ; ner- 

 vures rather depressed, and there is a deep crease, or wrinkle, 

 in the dorsal area ; cilia yellow. Hind wings rather ample, 

 with the apex bluntly angulated and hind margin rounded ; 

 pale yellow; cilia deeper yellow. Female similar, with the 

 abdomen rather short. Underside of fore wings dark grey, 

 with the margins rich yellow, the hind margin broadly so ; 

 hind wings whitish-yellow ; body dark grey dashed with 

 vellow ; anal tuft orange ; legs black above, yellow beneath. 

 Hardly variable except a little in the general depth of yellow 

 colour, which also fades rapidly during life ; but in Dr. 

 Mason's collection is a specimen with the costa edged with 

 blackish, the cilia smoky, and the wings shaded with blackish. 

 On the wing in the middle of May and through June. 



Larva f inch long ; rather flattened and slender, tapering 

 a little at each end ; covered with short bristles in spreading 

 tufts. Head blackish-brown ; second segment brown, reddish 

 in front, the general colour of the back white, divided by 



