14 THE HAUNTS OF LIFE 



l uscs the bivalves, snails, and cuttlefishes; 

 and these especially the first two classes 

 are well represented on the shore. Bivalves 

 are represented by cockle and mussel, oyster 

 and clam ; snails by the vegetarian periwinkle 

 and limpet, and the car- 

 nivorous dog-whelk and 

 buckie; cuttlefish by an 

 occasional octopus hunt- 

 ing for crabs among the 

 low-tide rocks. Even 

 Aristotle knew, over two 

 thousand years ago, how 

 a shore cuttle shoots out 

 an arm and grapples a 

 passing fish. 



ARTHROPODS. On 

 quite a different line of 

 life- from the Molluscs 

 FIG. i. THE KING-CRAB, are the Jointed-Footed 

 A^TZtShore Animals or Arthropods, 

 Arthropod. represented on the shore 



by Crustaceans, such as crab and hermit-crab, 

 sea-slater and sand-hopper, acorn-shells and 

 water-fleas. Clambering about on the sea- 

 weeds and zoophytes there are quaint " Sea- 



