The date of the appearance of the caterpillar is in 

 September and May. 



It feeds on the medick ( Medicago falcataj and the 

 santfoin. 



The chrysalis occurs under the ground. 



PANAGRA PETRARIA. 



BROWN SILVER LINE. 



Plate XXV. Figure 13. 



THIS insect measures a little under to a little over 

 an inch and a quarter. 



Male: fore wings silvery-brown. The first line rather 

 dark brown, edged on the outside with a paler shade of 

 silvery-grey, and slightly bent near the upper margin; 

 second line dark brown, edged on the outside with whitish 

 and nearly straight; central spot dark brown. Hind 

 wings silvery-grey, with a partial bar of pale brown. 



Localities for this species are York, Stowmarket, Syn- 

 dale Park, Chilham Park, Perry Wood near Faversham, 

 Lyndhurst, Dorking, Manchester, Lewes, Oxford, Exeter, 

 Pembury, Worthing, Tenterden, Newnham, Birkenhead, 

 Bristol, Brighton. 



The perfect insect appears in May and June. 



NUMERIA PULVERARIA. 



BARRED UMBER. 

 Plate XXVI. Figure 1. 



THIS insect measures an inch and three quarters or 

 a little over in expanse. 



