704 



Professor Sedgwick and R. I. Murchison, Esq., on the 



Genera and Species. 



Authors and References. 



The numerals refer to the plates which illustrate the 

 memoir. 



Groups and Localities. 



Culm 



Measures, a 



p. 693. 



Barnstaple 

 nd Petherwin 

 Group, p. 694. 



Lower Groups, 

 N. Devon, 



Lower Groups, South Devon, 

 p. 696. 





sow. M. C. 324, f. 13. 495, 1-3. Geol. \ 

 Yorks. 12, f. 4-9 J 



\Inn Riifh Tprphrat n 103 







Barnstaple. 





Plymouth, Newton. 

 Newton Bushel. 



lintagel. 



[bid. Fowey. 



Plymouth. 



Ibid. 



Ibid. 



Ibid. 



Ibid. 



Newton Bushel. 



Ibid. 



Ibid. 



Ibid. 



Ibid. 



Ibid. 



Newton, Bradley. 

 Ibid. Plymouth. 



Fowey ? 



Plymouth. 



Ibid. 



Ibid. 



Ibid. Newton Bushel. 



Ibid. 



Ibid. 



Ibid. 



Ibid. 



Ibid. 



Ibid. i 



Ibid. ^ 



Ibid. ( 



Ibid. 

 Ibid. 

 Ibid. 

 Ibid. 



Plymouth. 

 Plymouth. 

 Ibid. 

 Ibid. 



[ton. 

 Chircombe Bridge, near New- 









L,III. 10 





b.n'Pether. 

 Landlake.Lear 

 Morebath. 

 Barnstaple. 

 [b.Petherw. 



[Ifracombe. 

 3 . 





LIII 11 LIV 14 









LVII 12 







TTT '7 I'S ntt-PTinata n 604. 1 







.III. 8. LIV. 12, 13. (S. bisulcata,p. 694.) 









extensa 



LIV. 11. (S. attenuata, p. 694.) 



LY X 4 





[b.Ib.Saunt 

















LVII. 7. Phillips 9, f. 6 



LVII 8 













LYU g 











LVII. 10. Martin Pet. Derb. 47, f. 6-8. ... 

 LYII 11 











affim. ... 





Schloth. 17, f. 1. Trigonot. Bronn. Leth. l 

 Geog. 2, f. 13 J 

















speciosa | 



ostiolata | 



Schloth. 16, f. 1. Trigonot. Bronn. Leth. \ 

 Geog. 2, f. 15 J 



Schloth. 17, f. 3. Trigonot. Bronn. Leth, T 

 Geog. 2, f. 14 / 





















— oblata 1 



Sow. M. C. 80. Trigonot. Bronn. Leth. "1 



Geog. 2, f. 16 J 



rerebrat. porrecta M. C. 576, f. 1 



LVI 10 11 



















LIII. 6 



LIV. 4 



LIV. 5 





Barnstaple. 

 Petherwin. 



Ibid, 

 lb. Barnst. 

 Ibid. 



Ibid. Ibid. 

 Ibid. 

 Ibid. Ibid. 











-.. subdrntata 



LIV. 7 







LIV. 8 



LIV. 9 



LIV. 10 













LVI. 8 



LVI. 9 



'.'.'ZZZ 







LVI. 12, 13 











LVI. 14 











LVI. 15, 18. Terebratula pugnus, M.C.497. 



LVI. 16 ;..:. 



















LVI. 17 



... 









LVI. 19-22 













LVI 23. (A. orbicularis p 698 ) 











LVI. 24 .'. "... 









LVI. 25 











LVII. 1 









fallax 



LIV. 15.(Ter.pleurodon.PhiU.XII. 25,26.) 

 LVII. 2 





Ibid. Ibid 











LVII. 3 







... 





LVII. 4. (Terebrat. Wilsoni, p. 698.) 











LVII. 5, 6 



LIII. 4. (L. scabricula, p. 694.) 





BarnsPethr 

 Petherwin. 

 CroydeBay 

 Petherwin ? 

 Barnstaple. 





Leptsena caperata 





LIII. 5. 





Linton. 





LIIL 29 







LIV. 3. LVI. 5, 6 



LVI. 3. (Prod, analoga, p. 698.) 











LVL4 



LVL 7 











LVII. 7 













Lamark. Anim. sans Verteb. 2nd Edit.T. p 





