171 



brown, red, yellow, and white, of which latter the side 

 line is formed. 



The date of the appearance of the caterpillar is in June. 



It feeds on several low plants. 



The chrysalis is subterranean. 



XANTHIA AURAGO. 



BARRED SALLOW. 



Plate LIX. Figure 6. 



Localities for this species are York, Lydiate near 

 Liverpool, Brighton, Freshwater, Birch Wood, Ipswich, 

 Darenth Wood, Bristol, Stowmarket, Black Park, Halton, 

 Worcester, Henley-on-Thames, Marlow, and Arundel. 



The situations where it is found are woods. 



The perfect insect appears in September. 



The caterpillar is grey with darker slanting streaks. 



The date of the appearance of the caterpillar is in 

 May. 



It feeds on the beech. 



The chrysalis is found below the surface. 



XANTHIA GILVAGO. 

 Plate LIX. Figure 7. 



Localities for this species are York, Rotherham, Don- 

 caster, Burton-on-Trent, Freshwater in the Isle of Wight, 

 Ipswich, Cambridge, Derby, Deal, Shrewsbury, Brighton, 

 and Bourne in Lincolnshire. 



The perfect insect appears in September. 



