125 



CHAPTER YI. 



SEA-BELLS AND CORALS. 



LUCEENAEIA. — ZOANTHUS. — MADEEPORES. — COMPAEED WITH AXEMOXES. 

 — THEIE BEAUTY. — FEEDING. — BAL^NOPHYLLEA. — TUEBINAEIA. — OCU- 

 LINA. — COEALS A^^D COEAL ISLAJSTDS, — MUSHEOOM COEAL, 



The Litcernana is very closely allied to the Sea- Anemones, 

 and may be termed a Sea-Bell. It differs greatly in form 

 from the family of Actimadce., and presents a set of cha- 

 racters which place it sufficiently apart from all other forms. 

 The genus Lucernaria is thus described : — " Body bell- or 

 goblet-shaped, adherent or free at pleasure : mouth quad- 

 rangular, in the centre of a membranous expanded disc; 

 tentacles knobbed, clustered in groups on the projecting an- 

 gles of the disc." 



Lucernaria auricula. 

 This little bell, hanging on the stems and branches of 



