Prosser — Hamilton and Chemung Series. 205 



1<>. OryptoneUa (EimeUd) Lmcftldeni, Hall. (it) 



1 1 . Orbiculoidea Doria, Hall (?). (r) 



Dorsal valves very convex with high apex. Rather Large for 

 this species. 



12. Crania (Craniella) Hantiltoni/e, Hall. (rr) 



13. Xnci/la belli striata (Con.), Hall. (a) 



14. Xuci/la corbuliformis, Hall. (r) 



15. Nitculites triqneter, Con. (c) 

 ltf. Xvculites oblongata*, Con. (c) 



17. JVuoula lirata (Con.), Hall. (rr) 



18. Paheoneilo mi/ fa. Hall. (rr) 

 15). Pal/poneilo constrict// (Con. ), Hall. (c) 



20. Leda dwersa, Hall. (c) 



21. Leda rostellata (Con.), Hall. (rr) 



22. Mierodon (Cypriear/Mld) bellist/riatiis (Con.). Hall. (aa) 



23. Modiomorpha subalata (Con.), Hall. (c) 



24. Grant mysia bisulcata (Con.), Hall. (r) 



25. Tellinopsis snbemarginata (Con.), Hall. (rr) 

 20. Phihonia sectifrons (Con.), Hall. (rr) 



27. Profit ijr is lan ceolata, Hall. (rr) 



28. Modiella pygmcea (Con.), Hall. (rr) 



29. Macrodon Hamilton i/e, Hall. (c) 



30. Orthonota (?) parvula, Halt (rr) 



31. Modiomorpha mytiloides (Con.), Hall. (rr) 



32. Goniophora Hamilton/ //sis. Hall. (rr) 



33. Orthonota earinata, Con. (rr) 



34. Orthonota tiii/lt/lata, Con. (rr) 



35. Schizodus appressus (Con.), Hall. (r) 



36. Lingula densa, Hall (?). 



37. Hyolithes aclis, Hall. (rr) 



38. Coleolus tenuici net urn. Hall. (c) 



39. IAopteria DeKayi, Hall. (rr) 



40. Pleurotomaria capiUaria, Con. (rr) 



41. Cf. Murehisoni/i micula (Hall), Miller. (rr) 



Imperfect internal impressions, only rive volutions seen. l>ut 

 evidence of carina on centre of body whorL 



42. ( ?) P.silophyton princeps, Dn. (rr) 



43. Orthothetes OKemungmsU (Con.), Hall, var. n ,-cto.*t ciata,\\. (rr") 



