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JJnivers'ty of California Publications in Zoology. [Vol. 4 



from actual danger, these were readily caught by the starfish. 

 When these fish came in contact with the animals, their move- 

 ments were strong, sudden, incautious, so that the pedicellariae 

 were soon roused to attack. But the fish that in their normal 

 existence live in rocky pools and under stones, resting much of 

 the time against the surface of the rocks, were not captured by 



Figs. 5 and 6. — Photographs of starfish capturing living fish. 



