Prosser — Hamilton and Chemung Series. 



42. Ptermopeoten Vertotmrms, Hall (c) 



43. Orthoceras sp. (fragment). (rr) 



44. Platyceras car in at ion, Hall. (rr) 



45. Phacops rana (Green), Hall. (c) 



46. Dalmanites Boothi (Green), Hall. (rr) 



47. Homalonotus DeKayi (Green), Emm. (rr) 



48. Crinoid stems. (rr) 



MIDDLE PART OE GLEN. 



1. Spirifer JvmbriaPas (Con.), Bill. (c) 



2. Spirifer granulosus (Con.), Hall and Clarke. (a) 



3. Spirifer audaculus (Con.), Hall and Clarke. (rr) 



4. Spirifer mucronatus (Con.), Bill. (c) 



5. Orthis Vanuxemi, Hall. (a) 



6. Cryptonella plani rostra, Hall. (rr) 



7. Tropidoleptua carinatus (Con.), Hall. (rr) 



8. Amboccelia umbonata (Con.), Hall. (rr) 



9. Chonetes carinata (Con.), Hall. (rr) 



10. Chonetes setigera, Hall. (c) 



11. Athyris spiriferoides (Eaton), Hall. (c) 



12. Oyrt/md JSiamiiltonensis, Hall. (rr) 



13. Orthothetes Chemungensis (Con.), Hall and Clarke, (r) 



14. Cyprkardinia indenta (Con.), Hall. (r) 



15. Nucula bellistriata (Con.), Hall. (rr) 



16. ModieUa pygmosa (Con.), Hall. (rr) 



17. Macrodon Ham ilton ice, Hall. (rr) 



18. Schizodus appressus (Con.), Hall. (rr) 



19. NucvMtes triqueter, Con. (rr) 



20. Goniphora Hamiltonensis, Hall. (it) 



21. Modiomorpha concent rica (Con.), Hall. (r) 



22. Microdon (Cypricardella) Lettistriafus, Con. (rr) 



23. Microdon (Cypricardella) teuuistriutux, Hall. (rr) 



24. Grammyma constricta, Hall. (rr) 



25. Trilohite (fragments). (rr) 



26. Orthoceras (fragment). (rr) 



27. Crinoid stems (large). (r) 



UPPER PART OF GLEN NEAR THE MILL. 



1. Tropidoleptus carinatus (Con.), Hall. (a) 



2. Crania (internal impression). (rr) 



