46 CLASSIFICATION AND CREATION. 



from the centre to the circumference, showing 



Transverse section of a Sea- Anemone or Actinia. 



still more distinctly the typical structure of the 

 division to which it belongs. 



The second class is that of Jelly-Fishes or 

 Acalephs ; and here the same plan is carried out 



Staurophora seen in profile. 



in the form of a hemispherical gelatinous disk, 

 the digestive cavity being hollowed, or, as it 



Hippocrene seen in profile. 



were, scooped, out of the substance of the body, 

 which is traversed by tubes that radiate from 



