

PIL NIN: S61 



Figs. 1-5. Polygnathus rotundilobus, Bryant. X 18. 
Fig. 6. Polygnathus rotundilobus, Bryant. X 20. a 
Figs. 7- 9, -Polygnathus tuberculatus, Hinde. X 20. 



“aie res Originals are from the Conodont bed (Genesee) in Bignteay Mile 
Creek, Erie County, IN 
