152 Appendix. 



PLATE XIII. 



punctulata. (Broi 

 Fig. 25. ^ Stylina. 



(B 



PLATE XIV. 



Fig. 26. Madrepora. Lin. 

 Fig. 28, 29, 30. Indeterminate casts. 

 Fig. 31. Cast of a DelpMnula. 

 32. Cast of a Nautilus. 



o 



Fig. 33. Indeterminate univalve. 



Spiriftr 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 emarglnate. 



Spiriftr 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. 



Fig. 57 and 65. Uncertain. 

 Fig. 61, a. Pecopteris. 



e. Resembles Taenlopteris, but is rather small, and the 



u cr 



geological position, according to Brongniart, does not agree. 



" " /. Sphenopteris ? near Myriophylla and Delicatula, 

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

 icately pinnate. 



a 



Pecopteris ? compare P. punctulata, (B 



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



PLATE XVI. 



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

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

 Fig. 42. Near the preceding, but perhaps different. 



PLATE XVII. 



Fig. 43 and 44. Lepidodendron. 



PLATE XVIII. 



Fig. 45- Sphenopteris? 



Fig. 47. Pecopteris. (See Lindley, Tt 



Fig. 46. Neuropteris ] 



PLATE XIX. 



50 



Fig. 51. Uncertain. 



