GROWTH, MIGRATIONS, FOOD AND HABITS 



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In the other form {Ainphiiira filifonnis), the arms are longer, 

 more flexible, and bear longer spines. In others again the spines 

 are much longer and the arms thicker. These arc found in the 



Fig. 74. — A Sand-star [Ophiura alhida). 

 Fig. 75 — A Brittle-star {Ainphiura fiUformis). 



stomachs of plaice, sole, lemon dab, common dab, long rough dab 

 witch and haddock, but in the case of the plaice, lemon dab, and 

 witch, only in a small percentage of individuals ; they are most 

 regularly eaten and in greatest numbers by the haddock and 



