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— 
THE CRUSTACEA OF LIVERPOOL BAY. 181 
DESCRIPTION OF PLATE XIII, 
Head of Tryphosa ciliata. 
First gnathopod of do. 
Second do. do. 
Third segment of pleon. 
Pleustes bicuspis, Kr. 
Mandible of do. 
Maxillipede. 
First gnathopod. 
Telson. 
Diastylis Bradyi, Norman. Head and thoracic 
segments. 
Penultimate segments of abdomen. 
