SEA-ANEMONES. 103 



S. troglodytes, of ensconcing its body in a hole, and spread- 

 ing out its disc beyond its edges. The body contracts into 

 a globe, wrinkled and studded with white glands ; its ge- 

 neral colour is brown, sometimes inclining to red. The 

 fringe of tentacles is of a bright rose-colour. The mouth 

 IS four-lobed, and forms a cross ; the edges of which are 

 crenated with white. The disc is pale fawn, or olive, slightly 

 silvered. 



SaGARTIA CANDIDA 



Is white in every part, excepting a rosy line round the 

 rim of the outer coating, and pinkish spots at the base of 

 the tentacles. 



Sagaetia parasitica. — (Plate XI.) 



The habits of the Parasitic Anemone, in connection with 

 the Hermit Crab, are so interesting that in spite of his com- 

 paratively small share of beauty, he secures a fair share of 

 attention. It is a large species, attaining the height of 

 three or four inches without diminishing the bulk of its 

 cylindrical column. Its outer covering is rough and warty ; 

 it is of a dull greyish sandy colour, with stripes of brown 

 or purple running down lengthwise, which are wider than 

 the spaces between. The disc is expansive, and sometimes 



