10 



Dwellers of the Sea and Shove 



urchins and different sorts of crustaceans who are 

 active only when submerged. But the less exposed 

 nooks shelter permanent residents as well. In these 



STRONGYLOCENTRUTUS; A SEA URCHIN. 



ophiocoma; a brittle star 





places live many delicate seaweeds which are unable to 

 endure the force of the waves or the withering action 

 of the sun; animals, too, no less inclined to brave the 

 open, thrive in these little solitudes in considerable 

 numbers. Below the low-tide mark, pink, orange, or 

 scarlet incrustations of small sponges may be seen like 



