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BULLETIN OF THE LABORATORIES 
PLATE II. 
Fig. I. Hemipronites crenistria^ lo ft. above Ohio river at Sciotoville p. 24. 
Fig. 2. Spirifer viarionensis, Portsmouth p. 26. 
Fig. 2a. Surface characters, highly magnified. 
Figs. 3-10. Spirifer (resembling altus) Moots’ run, calcareous concretions. 
Fig. 4. Spirifer (tenuispinatus) sp. n. Moots run p. 27. 
Fig. 5. Hemipronites. Young individual. Moots run p. 
Fig. 6. Spirifer, sp. Top of section near Newark. Div. Ill p. 
Fig. 7. Spirifer deltoidens, sp.n. Congl. I, Granville p. 27. 
Fig, 8. Spirifer bip lie atus. Newark, Div. Ill p. 25. 
Fig. 9. Spirifer striatif or mis, full grown dorsal valve. Newark, Div. Ill p. 85. 
PLATE III. 
Fig. I. Lingula {scotia war.) wazieriyensis. Her p. 18. 
Fig. 2. Idngula gannensis. Her. Dorsal valve, b. striae enlarged p. 17. 
Fig. 3. Lingula gannensis, YewtroX valve p. 17. 
Fig. 4. Lingula membranacea. Win, ventral valve -p. 17. 
Fig. 5. Oi'biculoidea pleurites. Meek, ventral valve p. 19. 
Fig. 6. Athyris ashlandensis. Her p. 24. 
Fig. 7. Syrmgothyris, sp. view of the interior of beak p. 
Fig. 8-9. Terebratula mconstans. Her p. 24. 
P'ig. 10. Productus nodocostatus. Upper Waverly p. 24. ' 
Fig. II. Spirifer disjuncius, H. Erie Shale, Peninsula, O, 
Fig. 12. Grammysia ovata. Pier p. 35. 
P'ig, 13. Mariinia preematura, H. Erie Shale, 
Fig. 14. Tooth of fish. 
Fig. 15. Productus rushvillensis , Her ' p. 22. 
Fig. 16. Leiorhynenus ? richlandensis. Her. 
Fig. 17. Productus {nezvberryi var.) annosus. Pier p. 20. 
Fig. 18, Phynchonella marshallensis , Win -p. 23, 
P'ig. 19. Pivductus 1 aricostatus. Her p. 19. 
PLATE IV. 
Ffg. I. Sphenotus valvulus, 30 feet below congl. L 
Fig, 2. Prothyris meeki, Gann. Div. H. 
3 - Ctenodonta houglitoni't 30 feet below congl. 1 . Union Station p. 44. 
Fig, 4. Paleconeilo curta. Freestone, Div. II p. 44. 
Fig. 5. Dexiobia ovata. Near congl. H p. 38. 
Fig. 6. Oracardia cornuta, sp. n. Lamellibranch layer below congl. I__p. 42. 
Fig. 7. Dexiobia ovata, Gann p. 3 ^- 
Fig. 8. Oracai'dia ornata, sp n. Freestone, Granville p. 43. 
P'ig. 9. Hinge view of same specimen. 
