THE CCELENTERATA 59 



which all the fancy shops and florists were pos- 

 sessed a few years ago. The corallines, dyed a 

 bright emerald green, or a dull red, which were 

 used for decorations at that time, were usually a 

 variety of the Bottle-brush Coralline, foun-d on 

 English shores ; but sometimes commoner kinds 

 were employed. 



Fig. 9 shows an example of a coralline, 

 slightly magnified in A, and in B much more 

 highly magnified, so as to show the individual 

 hydra-like zooids, each with its circle of ten- 

 tacula. 



The Sea-Anemone and the Hydra respectively 

 represent the two great groups of the Ccelen- 

 terata, named after them, the Anthozoa (Flower- 

 animals), and the Hydrozoa (Hydra-animals). 

 The corals are forms of the Anthozoa, single or 

 colonial, which possess a skeleton. 



FlG. 10. Gorgonia verrucesa, from Guernsey, nearly one-third of 

 the natural size. 



The above diagram shows examples of the 

 Anthozoa. Fig. 10 is Gorgonia, the Sea-Fan; 



