SATYRUS. 
281 
small black spot with a white centre ; hind wings orange for two- 
thirds of their area, the hind margin being broadly dark brown, 
the same colour as the basal portion ; near the anal angle is a 
small dark brown spot. The female is larger and paler than the 
male, the fore wings have a more distinctly defined snbmarginal 
orange band, the spot near the apex is larger, and has a distinct 
white centre ; between the third and fourth median nervules is a 
second black spot ; the hind wings are much the same as in the 
male, but the orange portion is paler along its internal edge, in 
some specimens being nearly white ; the spot near the anal angle 
has a distinct white centre. The marginal fringes in both sexes 
are brown and white. Under side : Fore wings with the basal half 
dark brown, the rest light orange, except at the apex and along the 
hind margin, which are brown mottled with white ; the spots seen 
above are still more distinct. Hind wings mottled with brown and 
white, the basal part being darkest ; there is a central white band, 
and in the female the neuration is more or less marked with white. 
PI. LXIX., 1. 
Time of Appearance. — July. 
Habitat. — Corsica and Sardinia, frequenting mountains. 
Larva . — U nkno wn . 
Obs. — This species appears to be very distinct from its 
congeners, and affords another example of a good species of 
butterfly unknown to any other part of the world but these 
Mediterranean Islands. 
12.— S. Arethusa, Esp. 69, 3, 4 (1781); Hiib. 154-5; 0. i. 1, 
208 ; Godt. i. 7. 
Expands from 1*60 to 1*75 in. All the wings dull brown; in 
the male with a submarginal row of orange spots, separated by 
brown lines along the course of the nervules, but forming a more 
or less distinct band ; the fore wings have a large round black spot 
near the apex ; the hind wings have one sometimes near the anal 
angle. Female similarly marked, but paler ; the fore wings have 
two black spots, and the submarginal band on the hind wings is 
very indistinct, being often entirely absent. Both sexes have the 
2 0 
