LÉPIDOPTÉROLOGIE COMPARÉE 187 



« PoLYPLOCA ALBIDISCA, Moore. 'M. S. — Fore wing grcyisli 

 white, with a greenish tinge; extrême base blackish, with a lufL 

 of raiscd white scales; followed by a pale grey sinuous band, 

 indistinctly traversed by a darker centra] linc ; then a dark-edged 

 darker sinuous fascia, also traversed by an mdistinctly darker 

 linc ; the external angle of this fascia below the costa is markcd 

 by a short vertical black dash of raised scales, rcpresentmg the 

 orbicular stigma, followed by a similar, but longer, black dash, 

 slightly inclined to the former, rcpresenting the reniform stigma; 

 each of thèse black dashes is also cdged with pale erect scales; 

 beyond the second dash are two or three angulatcd, and one 

 sinuous dark Ime, followmg an indistinct central pale fascia, 

 which is whitish on the inner margin ; midway between the sinuous 

 dark line and the hind margin is a pale denticulated submarginal 

 line, prcceded by an irregular dark grey fascia. Extrême hind 

 margin with a séries of black lunules ; a straight black dash f rom 

 the apex to the submarginal line. Hind wing dull grey ; head 

 and thorax mottled light and dark grey; cilia grey, with a darker 

 line along their centre and apex, and a dark dash at the end of 

 each nervure. » 



« Expanse of wings 34 millim. n 



« One female from the Berham Guily, Scplcmbcr 1886. » 



« Although the markings are so différent, 1 think not impro- 

 bable that a longer séries of the species will show that tins insect, 

 and another, which I describe as P. dubui, are one and the 

 same. » 



« There is one example, also a female, in the Hocking Collec- 

 tion. » 



A titre de complément, nous donnons également ci-après la 

 description de Fréd. Moore : 



« Palimpsestis ALBIDISCA Moore {loc. at., p. 408). — Fore 

 wing greyish olive-brown, the posterior base and dise slightly 

 suffused with pink, crossed by a medial, waved, sinuous, distinct 



