160 



with white and black specks, the margin itself dotted 

 with black. 



Localities for this species are York, Worthing, Exeter, 

 Falmouth, Newnham, Waterford, Cambridge, Darlington, 

 Lynton, "West Looe, Halton, Bristol, Manchester, Lewes, 

 Birkenhead, Barnstaple, Brighton, Worcester, Kingsbury, 

 Huddersfield, Lower Guiting, Stowmarket, Edinburgh, 

 Renfrew. 



The perfect insect appears at the end of June, in July, 

 and the beginning of August. 



The caterpillar is pale grey, with a row of dark grey 

 angular-shaped spots along the back. 



ACIDALIA CIRCELLARIA. 

 Plate XXIV. Figure 1. 



THIS insect measures about three quarters of an inch 

 across. 



Male: fore wings yellowish white, dusted with grey, 

 the outer margin with a series of black spots. The first 

 line is dull greyish-yellow, and bent near the upper 

 margin; second line dull greyish-yellow; central line dull 

 greyish-yellow; central spot black. 



Localities for this species are Bowden, Manchester. 



The perfect insect appears in June. 



