126 



HALF AN HOUR WITH SEA- ANEMONES. 



quarters, it does so by causing its base to glide 

 slowly along the surface on which it rests the 

 glass side of a tank, for instance. But it frequently 

 happens that small, irregular fragments of the edge 

 of the base are left behind, as if their adhesion had 

 been so strong that the animal found it easier to 

 tear its own tissues apart than to overcome it. The 



Fig. 63. 



Daisy Anemone. {Sagartia bellis). 



fragments so left soon contract, become smooth, and 

 spherical or oval in outline, and in the course of a 

 week or a fortnight may each be seen furnished 

 with a margin of tentacles and a disk transformed, 

 in fact, into perfect though minute anemones." 



The " Daisy Anemone " (Fig. 63) is a great 

 favourite with aquarium keepers, and deservedly so. 



