116 POPULAR HISTORY OF THE AQUARIUM. 



the mouth. It is striped with bluish lines and marked with 

 purple spots. 



AntUea cereiis is figured in the position described above, 

 at the top of Plate X. 



Abnormal Forms of Actiniadce. 



CORYNACTES AlLMANII. 



This curious little animal differs from the more normal 

 ActimcB in having the tentacles short and headed with bead- 

 like globes. It is very beautiful and very variable in the 

 position and shapes it assumes. Corynactes are found in 

 tide-pools in great numbers, and displaying a great variety 

 of colours, and hanging from overhanging ledges with their 

 coronets of knobbed tentacula. 



Being of a very thin substance, they are capable of con- 

 traction to a very small flattisli button. When extended 

 and expanded, the edge of the disc is seen to be crenated 

 and brightly coloured ; but when more fully expanded, the 

 disc spreads beyond the diameter of the body so as to bring 

 the tentacles over the rim. The tentacles, like those of 

 the British Coral, Carijoplujllea SmitJiii, are short cylin- 

 drical bodies, with round heads ; they are arrayed in two 



