PLATE VII. 



i 



LlNGULA INDIANENSIS, n. Sp 69 



Fig. 1. Ventral valve. 



DlSCINA LLLINOISENSIS. n. Sp 70 



Fig. 2. Dorsal view. 



Fig. 3. Interior of ventral valve. 



Fig. 4. Dorsal valve of another specimen. 



Fig. 5. Interior of a dorsal valve of another specimen. 



DlSCINA MUNDA, n. Sp 71 



Fig. 6. Dorsal view. 



Fig. 7. Lateral view of the same valve. 



Eatonia coulteri, n. sp 72 



Fig. 8. Ventral view. 

 Fig. 9. Dorsal view. 

 Fig. 10. Cardinal view. 

 Fig. 11. Front view. 



MlCHILINIA BEANNERI, n. SP G8 



Fig. 12. Side view. 

 Fig. 13. Summit view. 



CONULARIA BLAIRI, n. SP , 73 



Fig. 14. Portion of surface of upper part of shell. 



Fig. 15. A specimen showing a portion of the inside of a shell. 



Blairocrinus spinosulus, n. sp 28 



Fig. 16. Azygous view. 



Fig. 17. Opposite view of same specimen. 



Fig. 18. Summit view. 



Campophyllum kansasensis, n. sp 



Fig's. 19 and 20. Calyces. 



Fig's. 21 and 22. Lateral views of same specimens. 



67 



