120 



MARKETABLE BRITISH MARINE FISHES 



house before being eaten. The common brown shrimp, and the 

 pink shrimp arc also largely eaten. The swimming crabs arc 



Fig. 63. — The Common Hermit Crab, lying beside the whelk-shell which it 



inhabits. 



Fig. 64. — A Swimming Crab. 



distinguished by the flattening of the hinder pair of legs which 

 they use as paddles, and are thus enabled to sustain themselves 

 for a short time in the water. These are very common ir> 



