CORISCIUM. 201 
Sta. Alis anticis saturate brunneis, punctis novem (uno prope dorsum, 
tribus dorsi, quatuor coste, uno apicis) argenteis, nigro-marginatis. 
Exp. al. 4 lin. 
Head brown. Face silvery. Palpi white. Antenne brown, annu- 
lated with white. Anterior wings dark brown, with nine silvery spots, 
margined with black; one is near the inner margin towards the base, 
three are on the inner margin, four on the costa, and one in the apex 
of the wing; cilia brown. Posterior wings greyish-brown, with paler 
cilia. 
Occurs at Pembury among Genista tinctoria, and near Mickle- 
ham, in June, July, and August. The larva mines the leaves of 
Ononis spinosa in April and May. 
16. imperialella, Mann. L. E. ii. 365. Anm. (1847); Sta. Allis 
anticis aureis, fascia abbreviata prope basim obliqua, sérigis tribus cost, 
maculis duabus dorsi (cum strigis prima et secunda cost fere in fascias 
connexis) maculaque minore ante apicem argenteis. Exp. al. 34 lin. 
Head yellowish. Face and palpi snowy-white. Antenne pale grey. 
Anterior wings shining-golden, with an oblique abbreviated silvery 
fascia near the base, and beyond are three silvery streaks, from the costa, 
of which the third reaches to the inner margin ; two small silvery spots 
lie on the inner margin opposite the apices of the first and second cos- 
tal streaks ; a small silvery spot lies immediately before the apex of 
the wing; cilia of the hinder margin whitish with two dark fuscous 
lines, of the inner margin grey. Posterior wings pale grey, with paler 
cilia. 
Taken by Mr. Dale at Glanville’s Wootton, in May, 1840. A 
specimen is in Mr. Shepherd’s collection. 
Genus II. CORISCIUM. 
Cortscrum, Zell. Isis, 1839. p.210; Dup. Cat. Zvichotripis p., Hiib. 
Gracilaria p., Haw.; Step. Blachista p., Dup. L. F. xi. 
Caput superne ac in fronte levigatum. Ocelli nulli. Antenne alas 
anteriores longitudine squantes, tenues, articulo basali elongato, 
incrassato. Haustellum mediocre, nudum. Palpi maxillares lon- 
giusculi, filiformes. Palpi labiales tenues, adscendentes, articulo se- 
cundo infra fasciculo pilorum, tertio tenui acuminato. Ali longe 
ciliate, anteriores elongate, posteriores lanceolate ; anteriores: vena 
subcostalis basim versus interrupta; cellula discoidalis obtusa postice 
venas novem emittit; vena subdorsalis simplex ; posteriores: vena 
apicalis ante apicem exit, infra eam vena fureata; vena mediana 
trifida. 
Head above and in front smooth. Ocelli none. Antenne as long as 
the anterior wings, slender, the basal joint elongate, thickened. Tongue 
VOL. Il. 2D 
