( 187 ) 



Fig. 



44. Ammonites hystrix. * 



45 rotula. 



46 like a. parvus. 



47 concinnus. * 



48 venustus. * 



49 fissicostatus. * 



Fig. 



50. Ammonites curvinodus. * 



51. Tooth of squalus. ? 



52 of ichthyosaurus . 



53 of squalus. ? 



54. Vertebra of ichthyosaurus. 



55. Jaw bone and rows of teeth. 



Plate III. Speeton Clay, page 123. Coralline Oolite, page 126. 



1. Belemnites fusiformis. 3. Claw of astacus. 



2. Astacus ornatus. * 



4. Turbinolia dispar. * 



5. Caryophyllia cylindrica. * 



6. Astraea tubulifera. * 

 7 favosioides. 



8. Spongia floriceps. * 



9. Radical part of a crinoidal column. 

 10. Crinoidal column, with bifid side-arms. 

 11 with the cicatrices 



of side-arms. 



12. Cidaris florigemma. * 



13. Muricated spine r pf cidaris. 



spine of cidaris. 



germinans. * 

 16. Clypeus dimidiatus. * 



17 semisulcatus. * 



18 emarginatus. * 



19. Pholas recondita. * 



20. Modiola inclusa. * 



21, Crassina extensa. * 

 22 aliena. * 



23. Cardita similis. 



24. Tellina ampliata. * 



25. Crassina ovata. * 

 28^jp6gonellites antiquatus. * 



27. Corbula curtansata. * 



28. Isocardia rhomboidalis. * 



29. Area semula. * 



30. Cucullsea contracta. * 



31 triangularis. * 



32 pectinata. * 



33 elongata ? I am in much 



doubt as to this shell. 



34. Cucullaea oblonga. 



35. Avicula expansa. * It is inverted, and 

 not so well drawn as I could have wished. 



36. Avicula ovalis. * Lower valve inverted. 



Plate IV. Coralline Oolite, page 130. Calcareous Grit, page 134, 



8. Turritella muricata. 



9. Natica cincta. * 



10. Pecten inagquicostatus. * 



11. Turbo funiculatus. * 



12. Orbicula radiata. * 



13. Terebra melanioides. * 



1. Ostrea duriuscula. * 



2. Avicula elegantissima. * 



3. Cardium lobatum. * 



4. Nucula. 



5. Psammobia laevigata. * 



6. Chama, or gryphaea ? mima. * 

 7- Bulla elongata. * 



14. Turbo muricatus. 

 Bb 2 



