PLATE 3 



Favosites limitaris Rominger 

 Page 54. ■ 



Fig. 1. A mass of rock containing several branches. 

 (Callaway limestone of Boone County.) 



Ceratopora snyderensis Branson 

 Page 56. 



Fig. 2. An average specimen (X 4/5). 



(Snyder Creek shale of Callaway County.) 

 Fig. 3. Gen. and sp. undet. (See plate 4, figs. 5 and 6.) 



(Snyder Creek shale of Callaway County.) 



Diplopliylluni callawayensis Branson 

 Page 50. 



Fig. 4. An exfoliated colony about 4/5 natural size. 

 (Callaway limestone of Boone County.) 



Ceratopora grabaui Branson 

 Page 56. 



Fig. 5. The usual occurrence of the species. 



(Mineola limestone of Montgomery County.) 



