Prosser — Hamilton and Chemung Series. 



197 



7. Chonetes setigera, Hall. (r) 



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



9. Tropidoleptus carinatus (Con.), Hall. (c) 



10. Terebratula (Eunetta) Linchlaeni, Hall. (c) 



11. Productella truncata, Hall (?). (rr) 



12. Atrypa reticularis (Linne), Dal. (rr) 



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



arctostriata, Hall. (c) 



14. Microdon (fjypricardellci) tenuistriatus, Hall. (c) 



15. Chonetes coronata (Con.), Hall. (c) 



16. Leda diver sa, Hall. (r) 



17. Palceoneilo muta, Hall. (r) 



18. Nucula corbuliformis, Hall. (rr) 



19. Modiomorpha concentrica (Con.), Hall. (rr) 



20. Grammysia arcuata (Con.), Hall. (rr) 



21. (?) Phthonia cylindrica, Hall. (it) 



22. Pterinopecten Vertumnus, Hall (?). (rr) 



23. Coleolus tenuicinctus, Hall. (rr) 



24. Pellerophon, sp. (r) 



Compressed specimens that have concentric and longitudinal 

 striae of about equal strength. 



25. Oypricardinia indenta (Con.), Hall. (rr) 



26. Spirifer TulUus, Hall. (rr) 



27. Orthis Vanuxemi, Hall. (rr) 



28. Pakeoneilo constricta (Con.), Hall. (r) 



29. Phthonia sectifrons (Con.), Hall. (rr) 



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



31. Glyptodesma erectum (Con.), Hall. (rr) 



32. Microdon (Oypricardella) bellistriatus, Con. (?)„ (rr) 



33. Nucula bellixtriata (Con.), Hall. (r) 



34. Liopteria DeKayi, Hall. (r) 



Small and young specimens, like figure 10, plate 88 (Palaeon- 

 tology of New York, Vol. V, Part I). 



35. Pleurotomaria capillaria, Hall. (rr) 



36. Trilobite (fragment). (rr) 



37. Tmiiopora exigua, Nicholson. (c) 

 XXV A s . Nearly one mile directly east of A 1 on the high hill between 



Hinman Hollow brook and the Susquehanna river, is another small glacial 



