GENEEA OF THE ALCTONARIA STOLONIFEEA. 



Fig. 2. 



Fiff. 1. 



,g^[ffff^\]^'^'(flJff^^^^^^^^ 



k 



FiK. 3. 



Fiff. 4. 



Fig. 1. Schematic section through a Stoloniferan. 

 Fig. 2. Schematic section through an Alcyonid. 



Fig. 3. Schematic section throiigh a Grorgonid. 

 Fig. 4. Schematic section through a Pennatulid. 



3 b2 



