ARTHROPODA 



103 



There are ten legs. Here belong the lobster (Homarus) 

 (Fig. 59), and "crayfishes (Astacus and Cambarus) (Fig. 



FIG. 59. Lobster (Homarus -vulgaris) 



FIG. 60. Swimming Crab (Platyonychus). 



54), prawn (Palczmon), shrimp (Crangori), hermit crab 

 (Pagurus), and crab (Platyonychus) (Fig. 60). 



