CONSPECTUS OF BUTTERFLIES. 19 
marginal tawny spotted band; fringes white. Males vary un- 
derneath from chalky white to ash colour ; females sometimes of 
a light black above, sometimes half purple, and in fine speci- 
mens of a beautiful purple, always edged with tawny or orange- 
coloured spots, on the under surface often forming a continuous 
line, on which are marginal black spots. Caterpillar, green, 
hairy, with a dark line on the back; feeds upon grasses, the 
wild liquorice, and barren strawberry. Chrysalis dark brown. 
Very common throughout England. 
- Tue Curry Bive (P. Eros, SrePueENS) appearsin July. Wings 
one inch one-sixth; above pale silvery or greenish blue, witliout 
spots; beneath brownish grey, with numerous eye-like dots; 
the second pair having a very indistinct yellowish marginal band. 
Kent, Surrey. 
Tne Leap Buiuxr (P. Argus, SteruEeNns) appears the middle 
of July. Wings one inch one-sixth to one-third; above lilac- 
tinted blue, with a black margin; underneath bluish. The first 
pair with eye-like spots, and a faint tawny band; at the poste- 
rior margin of the second pair an orange tawny band, in which 
are six silvery spots. Female, brown aboye with tawny margin. 
Caterpillar, green, hairy, with white warts, and a reddish brown 
line, edged with white on the back and sides, and some oblique 
streaks of the same colour on the sides; head and legs brown ; 
feeds on melilot, broom, and saintfoin. Chrysalis at first green, 
then brown. Common. Surrey, Kent, Hants, Dorset, Cambridge- 
shire, Suffolk, Norfolk. 
Tar Brown Arcus (P. Agestis, StepHENS) appears the begin. 
ning of June and middle of August. Wings one inch to one inch 
one-fourth ; above brown on both sides, with a red spotted mar- 
ginal band; beneath greyish brown, with numerous eye-like 
dots; fringe variegated with white and brown; the first pair 
with a black spot on the disc, Males are of a lighter colour 
underneath than females. Near London, Norwich, Ipswich, in 
Suffolk, Essex, Dorset. 
Tuk DurnAm Argus (P. Salmacis, StrePHENS) appears in June. 
Wings one inch one-twelfth to one inch one-sixth ; dusky black, 
underneath dingy, with somewhat eye-like spots; first pair with 
a dot above, in the male black, in the female white; second pair 
inboth with ared band near the margin. Durham, 
Tux Scorcn Arcus (P. Artaxerxes, SrePHENS) appears at the 
end of July, Wings one inch to one inch one-sixth; above 
brownish black; on both sides of the first pair a white spot on 
the dise, the second pair with reddish crescents; underneath, a 
white margin with a row of orange spots. Male, lighter than the 
female. Local, near Edinburgh and Dumfries, Scotland; Devon. 
The Durham specimens, probably P. Salmacis, 
Tuk Srortess Brown (P. Titus, Srerwens). Said to be Bri- 
tish on doubtful authority, 
c2 
