^38 



ECHINODERMS : STARFISHES. 



Other kinds, like Figures, 465, 466 and 467, burrow 

 in the sand. These are much flattened. 



STARFISHES, OR SEA STARS. 



Starfishes are common on all rocky coasts. They 

 are readily found by looking under the seaweed in 

 pools that have been left by the tide. They are so 

 named from their starlike form, the disk or central 





Fig. 468. — Starfish. 



portion gradually merging into the rays. Beneath 

 each ray there is a large number of locomotive suck- 

 ers, like those of the Sea Urchins already described. 



