14 THE HAUNTS OF LIFE 



Molluscs 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 carni- 

 vorous 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 



LlMULUS. ... , . ... ' 



A very ancient Shore 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- 



