SEA- ANEMONES. 107 



when closed as when open. We can hardly, however, ex- 

 aggerate its beauty in the latter condition. Every tentacle 

 is a series of gems ; their upper side has a dark ground- 

 colour, across which are pearly white, bluish, and green- 

 ish bands. And even the very youngest displays all the 

 characters of its parent, exceptnig that the tentacles are 

 fewer in number. 



BuNODES CLAVATA. — (Plate YI. fig. 4.) 



Nearly white, with sulphur markings ; tubercles outside, 

 with a pink spot in each. 



Actinia mesembryanthemum. 



In the last Chapter but one, speaking generally of Ac\ 

 tinicBj we had occasion to describe some of the characters of 

 this species, which is the commonest on our British shores. 

 It is smooth outside, and is remarkable for having a row 

 of beads on the inner edge of the outer coating, or betweenj 

 it and the tentacula. 



In Plate VI., Sagartia anguicoma is represented in three 

 forms, including extreme extension and extreme depression. 

 S. clavata is fig. 4 ; S. diaiitlms occupies Plate YIL, show- 



