AGROTlS. 39 



The fore-wings are very variable in colour and may be 

 greyish mouse-colour, yellowish-brown, or coloured like 

 bark. The surface is covered with black specks, and in well- 

 marked specimens the following zig-zag transverse lines may 

 be distinguished ; the half-line near the base, commencing on 

 the costa, and ending midway between the costa and the 



The Common Dart. 



inner margin ; an entire first transverse line, which the clavi- 

 form stigma touches ; and the second transverse line, composed 

 of lunules with the concavity on the outer side, and beyond 

 which commences a pale band. In front of the grey fringes 

 is a yellowish line, bounded on the inner side by a row of 

 small triangular black spots. The orbicular and reniform 

 stigmata have blackish centres, and are bordered with brown. 



