Localities for this species are Newcastle-on-Tyne, Kes- 

 wick and the "Lake District," Killarney, Tintern, Mon- 

 mouth. 



The perfect insect appears in July. 



EMMELESIA U N I F A S CI A 111 A. 



SINGLE-BARRED RIVULET. 



Plate XXIX. Figure 6. 



THIS insect measures three quarters of an inch or a 

 little above that in width. 



Male: fore wings greyish-brown; central band darker, 

 edged on each side with whitish, intersected by a slender 

 grey line. There is a short black dash from the tip of the 



wing. 



Localities for this very common species are Ardrossan, 

 Newcastle-on-Tyne, Conway, Lewisham, Borrowdale, 

 Lewes, Bristol, Cambridge, Ipswich, Arran, Tranmere 

 near Birkenhead. 



The perfect insect appears in June, July, and August. 



EMMELESIA ERICETARIA. 



HEATH RIVULET. 

 Plate XXIX. Figure 7. 



THIS insect measures from a little under to three- 

 quarters of an inch in width. 



Male: fore wings pale grey, with a blot of darker grey 

 at the inner cornef ; the first line or band is also darker 



