PLATE 9 



Cystodictya mineolaensis Branson 

 Page 71. 



Fig. 1. A form with frequent branching. (X3.) 

 Fig. 3. A form with few branches. (X3.) 



(Mineola limestone near Mineola, Missouri.) 



Coscinium missouriensis Branson 

 Page 71. 



Fig. 2. Surface of a zoarium (X7). (Mineola limestone near Mineola, Missouri.) 



Rhombopora missouriensis Branson 

 Page 70. 



Fig. 6. Part of a branch (X7). (Snyder Creek shale of Callaway County.) 



Cyclotrypa communis Ulrich 

 Page 68. 



Fig. 7. Surface of a small part of a zoarium. (X7). 

 Fig. 8. Vertical section. (X5). 



Fig. 9. Tangential section, not passing through a macula. (X5). 

 (Mineola limestone near Mineola, Missouri.) 



Hemitrypa mineolaensis Branson 

 Page 70. 



Fig. 10. The superficial network with a portion of the zoarium. (X15). 

 Fig. 11. Non-celluliferous face of a portion of a frond. (X5). 

 Fig. 12. Celluliferous face of a portion of a frond. (X5). 

 (Mineola limestone near Mineola, Missouri.) 



Fenestella missouriensis Branson 

 Page 69. 



Fig. 13. Non-celluliferous face. (X5). 

 Fig. 14. Celluliferous face. (X5). 



(Mineola limestone near Mineola, Missouri.) 



Lioclema occidens (Hall and Whitfield) 

 Page 69. 



Fig. 15. A small part of a zoarium, including one of the large pores. (X8). 

 (Snyder Creek shale of Callaway County.) 



Cyclotrypa magna-monticulata Branson 

 Page 68. 



Fig. 16. Surface of a zoarium, including a macula. (X3). 

 Fig. 4. Vertical section. (X7). 

 Fig. 5. Tangential section. (X7). 



(Mineola limestone near Mineola, Missouri.) 



