PLATE 22 



Spirifer euryteines Owen 

 Page 100. 



Fig. 1. Pedicle valve of a large specimen. (Snyder Creek shale of Callaway County.) 

 Fig. 2. Cardinal view of a specimen with low area. (Snyder Creek shale of Callaway 



County.) 

 Fig. 3. Pedicle valve of a large silicified specimen. 

 (Mineola limestone of Ralls County.) 

 Cardinal view of the same specimen. 



Cardinal view of a small specimen. (Snyder Creek shale of Callaway County.) 

 and 7. Portions of silicified spires. (Mineola limestone of Ralls County.) 

 Side view of an exfoliated specimen. 



(Mineola limestone of Montgomery County.) 

 Brachial valve. (Snyder Creek shale of Callaway County.) 

 . Surface enlarged to show ornamentation. (X4). 

 (Snyder Creek shale of Callaway County.) 

 . Brachial valve of specimen figured in 1 and 2. 

 . Brachial valve of specimen figured in 3 and 4. 



Fig. 

 Fig. 

 Figs 

 Fig. 



4. 

 5. 

 . 6 

 8. 



Fig. 

 Fig. 



9. 

 10, 



Fig. 

 Fig. 



11 



12, 



