248 Lloyd's natural history 



Harpyia bifida, Ochsenheimer, Schmett. Eur. iii. p. 29 (1810). 

 Centra <^{)f^rt, Stephens, 111. Brit. Ent. Haust. ii. p. 19, pi. 15, 

 fig. 2 (1828); Kirby, Eur. Butterflies and Moths, p. 136, 

 pi. 30, fig. 6 (1880) ; Buckler, Larvae of Brit. Lepid. ii. p. 

 141, pi. 32, fig. 3 (1887); Barrett, Lepid. Brit. Isl. iii. 

 p. 90, pi. loi, figs. 3, 3^, b (1895). 

 Dicranura furcula {nee Clerck), Boisduval, Icones, pi. 70, fig. 

 2 (1834?). 

 This species has a somewhat wider range than the last, 

 extending beyond Europe into Northern Asia. 

 It expands about i^^ inch. 



It is white or greyish-white, with a dark grey transverse band 

 on the fore-wings, with a straight inner and concave outer 

 border. It is usually not so white as C bicuspis, but is 

 dusted with grey, especially in the female. 



The larva is bright green, with a shining reddish-grey, 

 retractile, head. On the neck is a spot having the shape of a 

 truncated pyramid, of a violet colour with a waved border, first 



The Poplar Kitten. 



reddish-brown, and then yellow. It extends to the end of 

 the third segment, and is divided by a whitish longitudinal 

 line, near which stand several whitish dots. The dorsal spot 

 begins at the end of the fourth segment, and is not connected 

 with that on the neck. It is violet-brown, spotted with yellow 

 on the sides, especially on the eighth segment, and defined by 



