14 Lloyd's natural history. 



GENUS LEUCANIA. 



Heliophila^ Hiibner, Tentamen, p. i (1810?), nom. praocc. 

 Leucania, Ochsenheimer, Schmett. Eur. iv. p. 81 (1816); 



Treitschke, Schmett. Eur. v. (2), p. 289 (1825); Guenee, 



Spec. G^n. Lepid. Noct. i. p. 69 (1852). 



This genus includes some of the commonest and best-known 

 species of the group. 



The fore-wings are pale, oblong, and almost without mark- 

 ings. The species figured is distinguished from its allies by 

 its darker hind-wings. 



THE SMOKY WAINSCOT. LEUCANIA IMPURA. 



Nodua tmpura, Hiibner, Eur. Schmett. iv. fig. 396 (1804?). 

 Leucania impura, Treitschke, Schmett. Eur. v. (2), p. 294 



(1825), X. (2), p. 89 (1835); Stephens, 111. Brit. Ent. 



Haust. iii. p. 75 (1825); Kirby, Eur. Butterflies and 



Moths, p. 160 (1880) ; Buckler, Larvae of Brit. Lepid. iv. 



pl- 59, figs. 5-5 d (1891). 

 Leucania punctina, Stephens, 111. Brit. Ent. Haust. iii. p. 75 



(1829). 



The Smoky Wainscot. 



The Smoky Wainscot has an expanse of from a little over an 

 inch and a quarter to an inch and a half. It is common in 

 Central Europe and Northern Asia. 



