The Waverly Group in Ohio — Herrick. 
PLATE 1. 
"Figs. 1-3. 
Figs. 4-5. 
Fig. 6. 
Fig. 7. 
Fig. 8. 
Figs. 9-15. 
Fig. 10 
Fig 11 
Fig. 12 
.Fig. 13 
Fig. 14 
.Fig. 16 
Proetus {Phillipsia?)precursor, Her. 
Phcethonides spinosus, Her. 
Phillipsia meramecensis , Shum. 
Proetus minutus, Her. Camera drawing of nearly perfect 
individual, highly magnified. 
Phillipsia serraticaudata. 
Phcethonides immaturus , Her. 
Phcethonides occidentalism Her. 
Phillipsia serraticaudata?? hypostome. 
Proetus {haldemani ?) 
Proetus {Phillipsia) sp. close to P. auriculatus. 
Proetus {Phillipsia) auriculatus , H. (—shumardi .) 
Phillipsia ( ?) censors. Her. 
Fig. 1. 
Fig. 2. 
Fig. 3. 
Fig. 4. 
Fig. 5. 
Fig. 6. 
Fig. 7. 
Fig. 8. 
Fig. 9. 
Fig. 10. 
Fig. 11. 
Fig. 12. 
Fig. 13. 
.Fig. 14. 
Fig. 15. 
Fig. 16. 
Fig. 17. 
Fig. 18. 
Fig. 19. 
Fig. 20. 
Fig. 21. 
Fig. 22. 
Fig. 28. 
PLATE IL 
Sphenotus valoulus , 30 feet below congl. I. 
Prothyris meeki , Gann. Div. II. 
Ctenodonta houghtoni ? 30 feet below congl. I. Union Station . 
Palceaneilo curia. Freestone Div. II. 
Dexiohia ooata. Near congl. II. 
Oracardia cornuta , sp. n. Lamellibranch layer below congl I. 
Dexiohia ovata , Gann. 
Oracardia ornata , sp. n. Freestone, Granville. 
Hinge view of same specimen. 
Oracardia ornata. Large specimen. 
Nuculana , sp. Gann, near congl. II. 
Nuculana , sp. Freestone, Granville, 
Nuculana similis Below congl. I. 
Palceaneilo consimilis. Shale 1 mile east of Harlem, 0. 
Palceaneilo ignota. Moot’s run. 
Nuculana saccata ? Below congl. I. 
Palceaneilo sulcatina. 30 feet below congl. 1. 
Palceaneilo? marshallensis. Div. III. Rushville. 
Macrodonneioarkensis. Div. III. Newark. 
Spathella ventricosa. Freestone, Granville. 
Mytilarca fibristriata. Moot’s run. 
Nuculana diversa? Peninsula, O. 
Nuculana nucullceformis ? Above congl. II. Newark. 
