BOMBYCID^. 9 



1. E. lanestris, L. — Expanse 1^ to If inch. Chestnut- 

 brown ; fore wings with a white spot at the base and another 

 in the middle, and one white transverse line. 



Antennae of the male rather short, densely pectinated with 

 rather short stiff teeth, the two rows inclining toward each 

 other; light-brown. Head rather small, tufted with long 

 purplish-brown scales ; thorax stoat, densely covered with 

 similar long scales, paler on the hinder portion ; abdomen 

 short, rather thick, covered with long, loose, brown scales, 

 and with a very long, loose, divided, greyish-brown anal tuft. 

 Fore wings broad and somewhat triangular, narrow at the 

 base, but widening rapidly ; costal margin slightly but 

 regularly concave to near the apex, where it becomes a little 

 rounded ; apex bluntly pointed ; hind margin long and very 

 oblique, gently rounded off with a regular curve which in- 

 . eludes the anal angle and dorsal margin ; purplish-chocolate, 

 having at the base an ovate, brown-centred, white spot, the 

 outside edge of which seems to represent an extremely con- 

 tracted first line ; second line, whitish, very oblique, broader 

 where it attains the margins ; at the end of the discal cell is a 

 conspicuous white spot of a roughly ovate or triangular shape ; 

 space before the hind margin faintly dusted with white ; cilia 

 very short, dark chocolate. Hind wings rounded, but with 

 the anterior margin strongly arched toward the base, so that 

 it projects slightly in front of the fore wings when closed ; 

 pale purplish-chocolate with the anterior margin whitish, and 

 a whitish, central, cloudy transverse stripe ; cilia pale choco- 

 late, very short. Female decidedly larger, with antennee 

 very shortly toothed ; fore wings both larger and broader ; 

 abdomen stout, cylindrical, and having a very large obtuse 

 and somewhat bulbous anal tuft, composed of silky, blackish, 

 and silvery-grey scales ; otherwise similar to the male. 

 Underside of the wings paler purplish-chocolate, with the 

 central white spot of the fore wings of a more lunate shape, 

 a faint white central dot on the hind wings, and the transverse 

 pale stripe through each wing as on the upper side ; body as 



