ARTAXERXES BUTTERFLY. 
245 
Found in some plenty at Castle Eden Dean, near 
Durham, and also on the magnesian limestone dis- 
trict near Newcastle, where it occurs in considerable 
numbers in July. 
ARTAXERXES BUTTERFLY. 
Polyommalus A rtarerxes. 
PLATE XXXIV. Fig. 4. 
Ilesperia Artaxerx es, Fair. — Pap. Artaxerxes, Lewin, pi, 38. 
f. 8, 9 Donovan, xvi. pi. 541. — Polyom. Artaxerxes, 
Jermyn, Steph. 
Dark brown above, glossy, each of the anterior 
wings with a discoidal white spot, and all of them 
with an orange-red band posteriorly, but very indis- 
tinct on the upper wings. On the under side, the 
markings of the wings do not differ materially from 
those of P. Salmacis, excepting in this, that the 
spots are nearly all without a black pupil. In some 
specimens, a minute white spot is observable on the 
disk of the posterior wings on the upper side. 
The history of this little butterfly is somewhat 
curious. The only locality known, for a long pe- 
riod, was Arthur's Seat, near Edinburgh, and it 
is only of late that it has been found elsewhere. 
Fabricius appears never to have seen a specimen, 
the description in his System being taken from a 
