152 Appendix. 



PLATE XIII. 



y Fig. 31. Pecopteris : near P. Cistii, (Brong. pi. 106) or perhaps 

 P. punctulata. (Brong. pi. 93.) 



PLATE XIV. 



'"^ Fig. 25. Stylina. 



^ Fig. 26. Madrepora. Lin. 



^ Fig. 28, 29, 30. Indeterminate casts. 



'^Fig. 31. Cast of a Delphinula. 



^Fig. 32. Cast of a Nautilus. 



Fig. 33. Indeterminate miivalve. 

 / Spirifer rostratus. (S. G. M.) Fig. 34. Shell triangular, with 

 concentric undulations ; one valve much elevated in the middle, the 

 opposite valve with a corresponding sinus, profound at base : base 

 tapering to the middle, where it is slightly emarginate. 



Spirifer fastigatus. (S. G. M.) Fig. 35. Shell triangular, with 

 radiating profound sulci : one valve with a triangular ridge in the 

 middle, bounded on each side by a deep groove ; the opposite valve 

 with a broad sinus having angular margins. 



PLATE XV. 



AFio;. 57 and 65. Uncertain. 

 /Fig. 61, a. Pecopteris. 



)( " " e. Resembles Tseniopteris, but is rather small, and the 

 geological position, according to Brongniart, does not agree. 

 \,i " " /. Sphenopteris ? near Myriophylla and Delicatula, 

 (Brong. pi. 55 and 58) but the divisions of the frond, seem too del- 

 icately pinnate. 



" " g. Pecopteris? compare P. punctulata, (Brong. pi. 93) 

 but perhaps the dividing of the frond, is represented inaccurately. 



PLATE XVI. 



' Fig. 40. Calamites ? yet differs in some respects from that genus. 

 V'Fig. 41. Calamites ramosus. (Brong. pi. 17.) 

 ^ig.' 42. Near the preceding, but perhaps different. 



PLATE XVII. 



^ Fig. 43 and 44. Lepidodendron. 



PLATE XVIII. 



"^ Fig. 45. Sphenopteris ? 

 Fig. 47. Pecopteris. (See Lindley, Tab. 153.) 



PLATE XIX. 



\* Fig. 46. Neuropteris ? 

 VFig. 50. Lepidodendron. 

 "iFig. 51. Uncertain. 



