PLATE V. 



Fig. 1. Cladopora ClarJcei. A bifurcate stem showing the labiate zooidal 



openings. X 6. 

 Fig. 2. Cladopoi a Halli. Portion of a corallum showing the small pores, 



which are more regularly arranged than is commonly the case. X 6. 

 Fig. 3. Outline of a corallum of Favosites Conradi showing the branching 



form. X 2. 

 Fig. 4. Enlargement of a portion of the surface, showing the sizes and 



arrangement of the cells. X 4. 

 Fig. 5. Enlargement of a portion of the surface showing the septal spines 



thickened by a deposit of silica. X 8. 

 Fig. 6. Enlargement of a portion of the epitheca showing finely striate and 



wrinkled surface. X 10. 



