Figs. 
1-8. 
Figs. 
4-5. 
Fig. 
6. 
Fig. 
•• 
Fig. 
8. 
Figs. 
9-15. 
Fig. 
10 
Fig 
11 
Fig. 
12 
Fig. 
13 
Fig. 
14 
Fig. 
16 
The IVaverl;/ Group in Ohio —Herrick 
Froetus {F/uUipiiiaf ) prmcumor. Her. 
Phcpthonides spinosus, Her. 
PhillvpKta meramecensia, Shum. 
Proetus minutus. Her. Camera drawing of nearly pe-rftict 
individual, highly magnified. 
PhilUpsin aerraticaudata. 
Phcpthonides inimntitrus, Her. 
Phmthonides occidentalis, Her. 
Phillipsia serraticaudata ? f hypostorae. 
Proetus (hnldemnni?) 
Proetus {Phillipsia) sp. close to P. auriculatus. 
Proetus {Phillipsia) auriculatus, H. (=shumardi.) 
Phillipsia f f) consors, 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. 
tiphenotus valoulus, :50 feet below ccngl. I. 
Prothyris meeki, Gann. Div. II. 
Gtenodonta houghtoni? 30 feet below congl. I. Union Station , 
Palmtneilo curta. Freestone Div. II. 
Dexiobia ovata. Near congl. II. 
Oraeardia cornuta, sp. ii. Lameliibrunch layer below congl I. 
Dexiobia ovata, Gann. 
Oraeardia or/iata, sp. n. Freestone, Granville. 
Hinge view of same specimen. 
Oraeardia ornata. Large specimen. 
Ntcculano, sp. Gann. near congl. II. 
Nuculana, sp. Freestone, Granville. 
Nuculana similis Below congl. I. 
Paloianeilo consimilis. Shale 1 mile ea.st of Harlem, 0. 
Paheaneilo ignota. Moot's run. 
Nuculana saccata ? Below congl. I. 
Pakeaneilo sulcatina. 30 feet, below congl. I. 
Palwaneilo ? mnrshallensis. Div. III. Rushville. 
MacrodouneiDarkensis. Div. III. Newark. 
Spathella veiitrir^sa. Freestone, Granville. 
Mytilarca fibristriata. Moot's run. 
Nuculana diversa? Peninsula, O. 
Nuculmm nvculUrformisf Abovecongl.il. Newark. 
