GENERAL CLASSIFICATION 137 



(3) Polypary with an axis parlly or wholly stony, and covered 

 with a bark-like encrustation. 



Order 3. — Floating Polyps. 

 A free, elongated, polypary floating in the waters, with a horny or bony axis, 

 covered with flesh that is common to all the polyps ; radiating tentacles around 

 the mouth. 



Funiculina. Encrinus [Echinoderm. H. E.]. 



Veretillum. Umbellularia. 



Pennatula (Sea-pen). 



Order 4. — Naked Polyps. 

 They have radiating tentacles, often multiple, at the mouth, 

 and form no polypary. 

 Pedicellaria. Zoantha. 



Coryne. Actinia (Sea-anemone). 



Hydra. 



SECOND STAGE OF ORGANISATION. 



No ganglionic longitudinal cord ; no circulatory vessels ; a few- 

 special internal organs (either tubes or pores, which draw in water 

 or kinds of ovaries) in addition to those of digestion. 



{Radiarians and worms.) 

 RADIARIANS. 

 (Class III. of the Animal Kingdom.) 



Subgemmiparous animals, free or vagrant ; with regenerating bodies 

 and a radiating arrangement of the farts both internal and external and 

 a complex digestive organ ; mouth underneath, simple or multiple. 



No head, eyes or jointed legs ; a few internal organs in addition to 

 those of digestion 



