302 Forty-third Report on the State Museum. 



8. Ambonychia, Hall, 1847. Pal. N. Y., vol. 1, p. 523. Pal. Ohio, vol. 2, pi. 2. 



9. Modiolopsis, Hall, 1847. Pal. N. Y., vol. 1. Pal. Ohio, vol. 2, pi. 2, 



fig. 17. 



10. Pijrenommis, Hall, 1852. Pal. N. Y., vol. 2, pi. 27, fig. 12. 



11. Tellinomya, Hall, 1817. Pal. N. Y., vol. 1. Pal. Ohio, vol. 2, pi. 2, 



fig. 24. 



12. Cardioj^sis, Meek and Worthen, 18G1. Proc. Acad. Nat. Sci. Phila. 



13. Cleldophorui^, Hall, 1847. Pal. N. Y., vol. 1. 



14. AatarteUa, Hall, 1858. Geol. Kept. Iowa. PI. 2'.), fig. 1. 



15. Lijrodesma, Conrad, 1841. An. (leol. Kept. N. Y. Pal. Ohio, vol. 2, 



pi. 1, fig. 25. 



16. Cuneaimja, Hall and Whitfield, 1875. Pal. Ohio, vol. 2, pi. 2, figs. 'J, 10. 



17. Pakeocardia, Hall, 1867. 20th Eept. N. Y. State Cab., pi. 14, figs. 11, 12. 



18. AmphicceUa, Hall, 1867. 20th Rept. N. Y. State Cab., pi. 14, fig. 15. 



19. Orthodesma, Hall and Whitfield, 1875. Pal. Ohio. vol. 2, pi. 2, fig. 7. 



20. Anomalodoiita, S. A. Miller, 1874. Cin. Jour. Nat. Hist. Soc, vol. 1, p. 



17, fig. 8. 



21. Eopteria, Billings, 1865. Pal. Foss., vol. 1, p. 306, fig. 298. 



22. Eiichasma, Billings, 1865. Pal. Foss., vol. 1, p. 361. fig. 348. 



23. Allorisma, King, 1844. Am. Mag. Nat. Hist., vol. 14. 



24. Anatina, Lamarck, 1809. Phil. Zool. 



25. Chcenonnja, Meek., 1864. Pal. of Upper Missouri, p. 43. pi. 2, fig. 1. 



26. Ghcenocardia, Meek and Worthen, 1869. Proc. Acad. Nat. Sci., Phila. 



27. Clinopistha, Meek and Worthen, 1870. Proc. Acad. Nat. Sci., Phila. 



28. Dexlobia, Winchell, 1863. Proc. Acad. Nat. Sci., Phila. {Bualina 



Barrande.) 



29. Ilionia, Billings, 1875. Can. Nat. and Geol., p. 301, fig. 1. 



30. Promact'us, Meek, 1871. Am. Jour. Conch, vol. 7. 



31. Sedgwickia, McCoy, 1844. Synop. Carb. Foss., Ireland, pi. 11, fig. 39. 



32. Cm-honarca, Meek and Worthen, 1870. Proc. Acad. Nat. Sci., Phila. 



33. Solenovvja, Lam., 1818. Hist. Nat. Anim. sans Vert., vol. 5. 



34. Aviculopiana, Meek., 18G7. Am. Jour. Sci., vol. 44. Dyas. Geinitz, pi. 



2, fig. 13. 



35. Bakevellla, King, 1849. Permian Fossils, pi. 14, figs. 29, 30, 33. 



36. Monopteria, M. & W., 1866. Proc. Chicago Acad. Nat. Sci. 



37. Monotls, Bronn, 1824. System Urweltlicher Konchylien. 



38. Posidonia, Bronn, 1824. System Urweltlicher Konchylien, 



39. Posldonomya, Bronn, 1837. Leth. Geogn. 



40. Cardixim, Linn., 1758. Syst. Nat. 10th ed. (probably not found in 



paleeozoic rocks). 



41. Astarte, Sowerby, 1818. Min. Conch., vol. 2 (probably not found in 



pateozoic rocks). 



42. Cardinla, Agassiz, 1838. In Societ. Basil. 



43. Cycloconcha, S. A. Miller, 1874. Cin. Quar. Jour., vol. 1, p, 231, figs. 21, 22. 



44. Cypricardella, Hall, 1858, Trans. Alb. Inst., vol. 4. 



45. Cypricardia, Lamarck, 1801. Syst. An. sans Vert, (probably not found 



in palEcozoic rocks). 



46. Cypricardites, Conrad, 1841. An. Geol. Eept., N. Y. 



47. Isocardia, Klein, 1753. Tent. Meth. Ostr. 



