124 
A OOUNISn PAtTNA. 
^EO-SPIRANTIA. 
ONISCIDM. 
Gbn"cjs, Ligia. — Fabricius. 
First aiiteniiES rudimentary, second long. Tail appendage 
directed posteriorly, having two branches. 
Ligia ocEAmcA. — Lin. Syst. Nat., ii, p. 1061. — Bate and Westwood, 
p. 444. 
This species is common on all our coasts, running with agility, 
and when frightened simulating death. It does not live in water 
but on the sea-shore, within reach of the spray. It feeds on de- 
caying animal and vegetable substances. 
Genus, Philoscia. — Latrielle. 
Ovate, sub-depressed. First antennae rudimentary; second, 
eight-pointed ; tail appendage with two unequal branches. 
PiiiLosoiA MuscoEUM. — ScopelU, Entom. Carniol., p. 1145. — Bate 
and Westwood, p. 480. 
This species is widely distributed and very common, iireferring 
dry situations under loaves, stones, and moss, near the sea-shoro. 
PniLOSCiA couomi. — Kinahan, Nat. Hist. Rev., vol. v, 1858, p. 193, 
pi. 23, Jiff. 4. — Bate and Westwood, p. 452. 
This species runs with agility, but does not roll itself into a 
ball. It was discovered at Talland Cove, near Polperro. Prof- 
Kinahan, Trinity College, Dublin, and the writer, were returning 
from paying a visit to Mr. Couch, when the former found it at 
the margin of a high tide, mingled with Ligia oceanioa, PorcelUo 
scaier, and Orchestia littorea. 
Genus, Piiilougria. — Kinahan. 
Like Pliiloscia, but with second antennm having nine or ten 
joints. 
Phiiougei aiupabia. — Koch, Beutsch Crust., 22, 17. — Bate and 
Westwood, p. 456. 
At Plymouth. At Polperro it is not uncommon in the garden 
of the inn. At Looe it is abundant among sticks by the river 
side It is found in very moi,st places amongst all kinds of de- 
caying matter. It runs with agility, and buries itself deep i^ 
