OCEAN ANIMALS: SPONGES, SEA-ANEMONES, ETC. 127 



of body as that shown by Hydra (described in Chapter 

 IX), but are much larger. When the tide is out, ex- 

 posing the dripping seaweed-covered rocks, and the little 



Fig. 88. — Sea-anemones. Bunodes californica, open and closed individuals, 

 one-half natural size. The closed individuals in upper right-hand 

 corner show the external covering of small bits of rock and shell, 

 characteristic of most individuals of this species. (From living speci- 

 mens in a tide-pool on the Bay of Monterey, California.) 



basins are left filled with clear sea-water, the brown and 

 green and purple " sea-flowers " may be seen fixed to the 

 rocks by the base, with the mouth opening and circlet of 

 slowly moving tentacles hungrily ready for food (figs. 88 



