TAB. XXXIII. 



Fig. 



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

 \ 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, Buv. Cornbrash (page 34). 



4. „ Rushdenensis, Zi/c. Cornbrash (page 33). 



4 a. „ „ Magnified portion of the right valve. 



4 b. „ „ Left valve. 



4 c. „ „ Magnified portion of the left valve. 



5. „ anisopleurus, Buv. Right valve. Cornbrash (page 34). 



5 a. „ „ Left valve. 



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



6 a. „ „ Portion of the surface magnified, 



7. Lima rigidula, F/iil., sp. Cornbrash (page 42). 



7 a. „ „ Portion of the surface magnified. 



8. „ Helvetica, Oj)j}el. Cornbrash (page 41). 



8 a. ,, „ Portion of the surface magnified. 



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



9 a. „ „ Portion magnified. 



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

 10 a. „ „ Portion magnified. 



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



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



