98 OUR CARCINOLOGICAL FRIENDS. 
delicacy of all its ambulatory appendages, except 
the first pair, and the greatly developed swim- 
merets of the posterior part of the body. The 
exterior (?) pair of feelers (antenne) have also a 
peculiar structure, being spread out into an oval 
ciliated plate. 
The animal, which is a close relative of a com- 
SQUILLA EMPUSA. 
mon European species, is in many regions highly 
esteemed as an article of food. It is a true bur- 
rower, but as yet little positive is known of its 
general habits. 
