148 POPULAR HISTORY OF THE AQUARIUM. 



British Caryophjllea occupies a middle station. It is re- 

 presented in the intermediate figures 2 to 6 ; fig. 2, is 

 the empty skeleton divided perpendicularly; 3, the living 

 Zoophyte, with its tentacles out; 4, tentacles magnified; 

 5, specimen with adherent young, forming branches ; 6, liv- 

 ing specimen with tentacles withdrawn. 



Plate XVII. contains a Balcenophyllea in company with 

 Star-fishes. 



