205 s / 



. - 



 



GENUS III. TEALIA (Gosse). 



Actinia (Linn.). 

 Cribrina (Ehrenb.). 

 Cereus (Milne Edwards). 

 B anodes (Gosse). 



Base exceeding the column. 



Column not pillar-like ; the diameter usually much 

 exceeding the height. Surface studded with per- 

 manent rounded warts, which are hollow, and have a 

 strong adhesive power, irregularly scattered, or not 

 set in vertical lines. Margin denticulate. Substance 

 cartilaginous. 



Disk flat, circular in outline, considerably over- 

 lapping the column. Radii inconspicuous. 



Tentacles not very numerous, arranged in several 

 rows, sub-marginal ; short, thick, and conical ; uni- 

 colorous, or marked with undefined rings or bands 

 of alternate colours ; perfectly retractile. 



Mouth raised on a cone ; stomach habitually pro- 

 truded to a great extent. 



Muscular system highly developed ; very dense, and 

 of a cartilaginous firmness. 



ANALYSIS OF BRITISH SPECIES. 



Warts unequal : stomach and warts red ; tentacles un- 

 handed digitata. 



Warts equal : stomach and warts grey ; tentacles banded . crassicomis. 



