Explanation of Plate IX. 



Photographs (by A. E. Tonge, Esq.) of under-sides of 

 1. Erebia lefebvrei, $ , showing the comparative straightness of 

 the outer margin of inner dark area of hind-wing, and how it 

 approaches the hind margin at the lowest ocellus. 



2 and 3. Erebia melas, $ $ . 2 shows how the general tone 

 differs from that of lefebvrei, and agrees with that of nerine. And 

 3 how the outer margin of the inner dark area is very much the 

 same as in nerine (Fig. 4 and 5) in outline. 



4. Erebia nerine, ^ . 



5. „ nerine, ? . 



In 2, 3, 4 and 5 the line in question is remote from the lowest 

 ocellus and passes on to the inner margin. All x V-. 



