140 MR. F. WALKER ON HETEROCEROUS LEPIDOPTERA 
beyond the hind wings. Legs stout, hirsute ; fore legs densely tufted. 
Wings broad, not long. Fore wings hardly acute; costa straight 
except towards the tip, where it is very slightly convex; exterior 
border hardly convex, moderately oblique; 1st, 2nd, and 3rd inferior 
veins approximate at the base. 
This genus should perhaps be removed from the Notodontide. 
°185. THELDE PATULA, n.s. Mas. Ferruginea, alis anticis nigro con- 
spersis ex parte cervinis lineis nonnullis transversis indistinctis e lunu- 
lis nigris, alis posticis cinereo-fuscis. 
Male. Ferruginous, cinereous beneath. Fore wings black-speckled, 
partly fawn-coloured, with some indistinct and irregular black trans- 
verse lines composed of lunules. Hind wings cinereous brown. Length 
of the body 7 lines; of the wings 16 lines. 
Gen. ALLATA, n. g. 
Mas. Corpus robustum. Proboscis obsoleta. Palpi porrecti, latis- 
simi, caput vix superantes, articulis indistinctis. Antenne late pec- 
tinatee, apices versus nude. Abdomen longum, cylindricum, alas 
posticas valde superans. Pedes breviusculi, vix robusti; tibiz pos- 
ticee calcaribus quatuor longis. Ale sat angustz, apice rotundatz, 
margine exteriore perobliquo. 
Fem. Antenne pectinatz. 
Male. Body stout. Proboscis not apparent. Palpi porrect, extending 
very little beyond the head, very broad and obtuse ; joints indistinct. 
Antenne broadly pectinated to a little beyond half the length, bare 
from thence to the tips. Abdomen long, cylindrical, extending far 
beyond the hind wings ; apical tuft long. Legs rather short, hardly 
stout ; hind tibie with four long spurs. Fore wings rather narrow, 
rounded at the tips; costa straight; exterior border hardly convex, 
very oblique ; 3rd inferior vein rather remote from the 2nd; 4th very 
remote; interior border slightly dilated towards the base, slightly 
excavated exteriorly. 
Female. Antenne with the basal part moderately pectinated. 
-186. ALLATA ARGENTIFERA, n.s. Mas. Fusca, capite lituris duabus 
albidis, alis anticis nigro fuscoque notatis vitta discali interrupta 
argentea apice furcata. 
Male. Brown. Head with a whitish mark at the base of each of the 
antenne, the latter also whitish. Abdomen and underside cinereous ; 
apical tuft of the former partly brown. Fore wings cinereous, with 
several irregular black and brown marks, whereby the colour is wood- 
like; a short silvery discal stripe, which is twice interrupted and is 
forked at its tip. Hind wings brownish cinereous. Length of the 
body 10 lines; of the wings 20 lines. 
187. ALLATA ALBONOTATA, n.s. Mas. Obscure ferrugineo-fusca, 
