144 BBOWN ABGUS BLUE. 



wing becomes fringed with white ; in some specimens it is quite white ; 

 the butterfly then changes its name to Salmacis. We proceed farther 

 northward, and the black pupil leaves the eyes on the under side, 

 until at Edinburgh it is quite gone; then it is called Artaxerxes." 

 The plate is from specimens in my own cabinet. 



