110 



dark brown and slightly waved. Hind wings similar in 

 colour, with, in some specimens, an indistinct central line. 



This is rather a variable insect in the depth of the 

 ground colour and markings. 



Localities for this species are York, Stowmarket, 

 Lewes, Sherwood Forest, Lewisham, Birkenhead, Sud- 

 bury, Black Park, Barnstaple, Worthing, Manchester, 

 Brighton, Bristol, Lymington, Tenterden. 



The situations where it is found are woods. 



The perfect insect appears at the end of August and 

 in September. 



The caterpillar is greyish mottled with brown, with 

 prominences on the third, sixth, eighth, ninth, and twelfth 

 segments, and on the sides of the seventh. 



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



It feeds on the oak, the birch, &c. 



ENNOMOS ANGULAR I A. 



AUGUST THORN. 

 Plate XIX. Figure 2. 



THIS insect measures about an inch and a half or a 

 little over in width. 



Male: fore wings yellowish, more or less tinged with 

 pale brown or reddish, the first line, which is brown, 

 is bent near the upper edge, the second line, which 

 is also brown, less bent, and a darker shade proceeds 

 from thence to the outer edge of the wing. The central 

 spot is only faintly indicated. Hind wings similar in 

 colour to the fore ones, with a faint line across them. 



Localities for this species are York, Scarborough, Ex- 

 eter, Plymouth, Stowmarket, Kingsbury, Bristol, Lewes, 



