. 
vi? 
AND DEVONIAN CONODONTS. 369 
Fig. 6. Polygnathus? eriensis, H.: X 20, Lake Erie shore, Ontario. 
(Genesee. ) 
Le ? curvatus, H.: x 20. Bear Creek, Ontario. (Genesee.) 
8. pennatus, H.: X 20. North Evans, N.Y. (Hamilton.) 
9, 10. —— tuberculatus, H.: x 20. North Hvans, N.Y. (Hamilton.) 
11. cristatus, H.: X 20. North Evans, N.Y. (Hamilton.) 
12. —— truncatus, H.: x 20. Bear Creek, Ontario. (Genesee.) 
13. truncatus, var.: X 20. North Evans, N.Y. (Hamilton.) 
14. —— punctatus, H.: X 20. North Evans, N.Y. (Genesee.) 
15. linguiformis, H.: x 20. North Hyvans, N.Y. (Hamilton and 
Genesee. ) 
16, 17. -—— palmatus, H.: x 20. Kettle Point, Ontario. (Genesee.) 
18. ——? simplex, H.: xX 20. North Hyans, N.Y. (Hamilton.) 
(For Discusston on this paper, see p. 389.) 
2 ie 
