116 
HISTORY OF BRITISH CRUSTACEA. 
spine on each side at the base. Hands unequal, swollen ; 
second pair of legs with the wrist of five or six joints. 
Length about an inch. 
Coasts of Devon and Cornwall ; Moray Firth ; County 
Clare, Ireland. 
When alive it is of a dark sea-green hue, and its well- 
developed pincers give it so much the aspect of a Lobster, 
that, as Mr. Gosse observes, “ it is generally believed, with- 
out doubting, by the fishermen, to be the young state of 
that much-honoured Crustacean. The habit of this pretty 
little species is to congregate in some small hollow covered 
by the tide, usually beneath the shelter of a protecting 
stone; so fond is it of companionship, that if you find one 
you may pretty surely calculate on more. I have taken, 
one by one, as many as fifteen out of a hollow hardly more 
than a foot square.”* 
Lam. PJL/EMONID/E, Leach. 
Antennae inserted on two rows. Beak large, lamellar, 
compressed, and toothed. Legs stout, without appendages 
at their base. The tw 7 o first pairs generally furnished with 
* The Aquarium, p. 38. 
