GROWTH, MIGRATIONS, FOOD AND HABITS 



125 



In the other form (Amphiura filiformis\ the arms arc 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 albida). 



FIG. 75 A Brittle-star (Amphiura filiformis}. 



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

 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 



