PLATE II. 



1. a. b. c. d. Nautilus m'elo, with sections. 



2. Section of Nautilus jlammalus, shewing the siphon. 



3. Section of Nautilus caudatus, Lister (N. major seu crassus, Rumpb.) 



shewing the siphon passing through the chambers. l-4th. 



4. Nautilus Pompilius. 



5. Nautilus auricula. 



6. Scaphites Defrancii. 



6. a. b. c. d. Scaphites a'qualis. 



7. 8. Transverse and logiludinal sections of the spine of [he Echinus ci- 



daris. 



9. Nqdosaria ("Nautilus mphanusj, 



10. Amplexus corallo'ides. 



\\, Orthoceratites Gothlandia?, 1-2. 

 j2, ftfolossus gracilis. 

 13. Rotalitc. 



\i Echidnis dihwianus. 



15. Raphanister campanula turn . 



16. Hamites gibbosus. 

 \1, Lenticulitc. 



18. Hippimtes organicus. 



