141 



The ZoANTHAKiA TUBULOSA is represented by the genera 

 Pyrgia and Cladochonus. 



Permian Corals. 



The Permian deposits appear to be barren in radiate animals, 

 of the Echinodermata, Archceocidaris representing the order 

 Ehinoidea, and CyatJiocrinus representing the Crinoidea are 

 present. The Actinozoa are equally rare ; the few Corals that are 

 present belong to the orders Z. tabtjlata, and Z. rtjgosa. 



MlLLEPORID^ 



Fistulipora 

 Favositid.'e Statjrid^ 



Choetetes Polycoelia 



L2 



