line along the back white but indistinct; the line below 

 it on each side similar; the side line yellowish white. 



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



It feeds on the oak. 



The chrysalis is found below the earth. 



XYLINA CONFORMIS. 

 Plate LXVI. Figure 1. 



Localities for this species are in Glamorganshire. 



The situations where it is found are about ivy trees, 

 at the blossom. 



The perfect insect occurs in October, and through the 

 winter to March. 



XYLTNA SEMIBRITNNEA. 



TAWNY PINION. 

 Plate LXVI. Figure 2. 



Localities for this species are Coombe Wood, Mickle- 

 ham, Lyndhurst, Darenth "Wood, Bristol, Cambridge, 

 Plymouth, Norbury Park, Lower Guiting, Kingsbury, 

 Worcester, Freshwater in the Isle of Wight, Weston- 

 super-Mare. 



The situations where it is found are woods, etc. 



The perfect insect appears in September and October 



The chrysalis is found below the earth. 



I am indebted to Mr. Allis, of York, for the loan of 

 the specimen from which the plate is taken. 



