OF DENISON UNIVERSITY. 
105 
^ Fig, 12. Palceoneilo ellipiica, upper figure, plicatella lower, var, 
formis. 
Fig. 13. Gramniysia hannibalensis. 
Fig. 14. Microdo 7 t resei'vatus ? 
Fig. 15. Nuculann swiliis, C2LSt. 
Figs. 16, 17. ? 
Fig. 18. Edmoiidia burlingtonensis, ? 
Fig. 19. Cf. Fig. 4, Plate IX. 
" Fig, 20. Pleronites obliqmis ? 
PLATE V. 
Fig. I, Rhynchonella sappho (Cf. coopori), Congl. II. 
Fig. 2. Spirijer ivinchelli, dorsal valve. Congl, II. 
Fig. 3. Spit'ifer winchelli^ ventral valve. 
Fig. 4. Syringothyris cuspidatus, front view. 
Fig. 5. Syringothyris cuspidatus, ventral view of cast. 
Fig. 6. Syringothyris cuspidatus, hinge view of cast. 
Fig. 7. Syringothyris cuspidatus, diagramatic median section of ventral valve. 
' Fig. 8. Platyceras heidzeri, cast. 
Fig. 9. Or this vanuxemi, var. pulchellus. 
Fig. 10. Cryptonella cudora. 
• Fig. II, Sanguinolites niai'shallensis . 
Fig. 12, (No. r367.) 
Fig. 13. Spit'ifcrina solidirostris . 
Fig. 14. Heinipronites crenistrio?, 
''Fig. 15. Schizodus cuneus. 
Fig. 16. Unidentified crinoid from congl. II. 
Fig. 17. Ctenodonta houghtoni ? 
F"ig. 18. Rhynchonella sp. 
PLATE VI. 
Fig. 
I, 
Posidonomya (streblopteria) fragilis, sp. n. 
Fig. 
I, 
Spirifer marionensis, ventral valve, Moots’ Run, Licking Co. 
Fig. 
2a. 
do 
hinge view of same. Partial cast. 
Fig. 
2b. 
do 
hinge view of dorsal valve, cast. 
Fig. 
2C. 
do 
umbonal region of same. 
Fig. 
3- 
do 
dorsal valve. From concretions of lime 15 feet below hori- 
zon of No. 2. 
Fig. 
. 3a. 
do 
hinge view of same. 
Fig. 
4- 
do 
ventral valve from same horizon. 
Fig. 
4a. 
do 
hinge view of same. 
