386 Forty-first Report on the State Museum. 



7. Pseudomonotis, Beyrich, 1862. Deutsch Geol. Gesell., vol, 14. 



8. Ambonychia, B.a,ll, 18i7 . 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. Pyrenomceus, Hall, 1852. Pal. N. Y., vol. 2, pi. 27, fig. 12. 



11. Tellinomya, Hall, 1847. Pal. N. Y., vol. 1. Pal. Ohio, vol. 2, pi. 2, 



flg. 24. 



12. Cardiopsis, Meek and Worthen, 1861. Proc. Acad. Nat. Sci. Phila. 



13. CleidopJiorus, Hall, 1847. Pal. N. Y., vol. 1. 



14. Astartella, Hall, 1858. Geol. Eept. Iowa. PI. 29, flg. 1. 



15. Lyrodesma, Conrad, 1841. An. Geol. Eept. N. Y. Pal. Ohio, vol. 2, 



pi. 1, flg. 25. 



16. Cuneamya, Hall and Whitfield, 1875. Pal. Ohio, vol. 2, pi. 2, figs. 9, 10. 



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



18. Amphicoelia, Hall, 1867. 20th Eept. N. Y. State Cab., pi. 14, flg. 15. 



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



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



17, flg. 8. 



21. Hopteria, Billings, 1865. Pal. Foss., vol. 1, p. 306, flg. 298. 



22. Euchasma, Bilhngs, 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. Glicenomya, Meek., 1864. Pal. of Upper Missouri, p. 43, pi. 2, fig. 1. 



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



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



28. Bexiobia, Winchell, 1863. Proc. Acad. Nat. Sci., Phila. {Dualina 



Barrande.) 



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



30. Promacrus, Meek., 1871. Am. Jour. Conch, vol. 7. 



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



32. Carbonarca, Meek and Worthen, 1870. Proc. Acad. Nat. Sci. Phila. 



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



34. Aviculopinna, Meek., 1867. Am. Jour. Sci., vol. 44. L)yas. Geinitz, pi. 



2, fig. 13. 



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



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



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



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



39. Posidonomya, Bronn, 1837. Leth. Geogn. 



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



palaeozoic rocks). 



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



palaeozoic rocks). 



42. Cardinia, 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 Yert., (probably not found 



in palaeozoic rocks). 



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



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



