TAB. XXXIII. 



FIG. 



1. Pecten inaequicostatus, Phil. Left valve. Cornbrash (page 32). 



1 a. Right valve. 



2. Pecten Wollastonensis, Lye. Great Oolite (page 33). Right valve. 



2 b. Magnified surface of the right valve. 

 2 a. Left valve. 



2 c. Magnified surface of the left valve. 



3. Michelensis, Suv. Cornbrash (page 34). 



4. Rushdenensis, Lye. Cornbrash (page 33). 



4 a. Magnified portion of the right valve. 



45. Left valve. 



4 c. Magnified portion of the left valve. 



5. anisopleurus, Suv. Right valve. Cornbrash (page 34). 



5 a. Left valve. 



6. Griesbachi, Lye. Left valve. Great Oolite (page 37). 



6 a. Portion of the surface magnified. 



7. Lima rigidula, Phil., sp. Cornbrash (page 42). 



7 a. Portion of the surface magnified. 



8. Helvetica, Oppel. Cornbrash (page 41). 



8 a. Portion of the surface magnified. 



9. Placunopsis semistriatus, Sean, sp. Cornbrash (page 30). 



9 a. Portion magnified. 



10. Hinnites gradus, Sean, sp. Cornbrash (page 35). 

 10 a. Portion magnified. 



11. 11 a. Modiola gibbosa, Sow. Cornbrash (page 42). 



12. Pecten articulatus, Schloth. Cornbrash (page 34). 



