292 SEA-ANEMONES, ZOOPHYTES, ETC. 



the water the anemones occasionally catch them. 

 Some species can slowly move from one place to 

 another by means of the base of the column, after the 

 manner of a snail crawling. Perhaps the most noble 

 looking of all this group of animals is the plumose 

 anemone (Actinoloba dianthus), whose crown of fea- 

 thered tentacless entitle it to the name of "sea- 

 pink." Its base is more expanded than is usual 

 with other sea-anemones. The species called the 



The Orange-disked Anemone (Sagartia veiiusta). 



"orange-disk anemone" (Sagartia vemista) is named 

 from its prevailing colour ; the tentacles, how- 

 ever, being a pure white. The genus Sagartia 

 was so named by Gosse on account of their 

 possessing peculiar kinds of thread-darts, stored in 

 " nettling cells," which they can throw out, so as to 

 benumb and overcome their prey. They are the 

 most active of all the sea-anemones, and bear the 



