TAB. IX. 



Pig. 



1. Anomia tenuistriata, page 13. 



a. view of outside of the upper valve, normal form. Mus. Edwards. 



b. ,, inside of the lower valve. Mus. Edwards. 



c. ,, outside of the upper valve, with radiations. Mus. Edwards. 



d. „ inside of the upper valve, showing muscular impressions. Mus 

 Edwards. 



e. specimen showing the disproportion of united valves. Mus. Edwards. 



2. Vulsella deperdita, p. 35. 



a. view of a united pair of valves of medium form. Mus. Edwards. 



b. right valve of a depressed specimen. Mus. Edwards. 



c. view of outside of the left valve of an elevated specimen. Mus. Jermyn 



Street. 



3. Pecten reconditus, p. 42. 



?a. orbicular specimen from Barton, with thirty rays. 



b. left valve of an elevated specimen, with eighteen rays. 



c. right valve of an elevated specimen, with twenty rays. 



4. Pecten 30-radiatus, p. 45. 



Right and left valves, with sections of varieties. 



5. Pecten carinatus, p. 38. Mus. Edwards. 



6. ,, squamula, p. 44. ,, 



The two larger figures are magnified representations. 



7. Pecten corneus, p. 39. Mus. Edwards. 



a, c. views of the outsides of the right and left valves. 



b. view of the inside of the left valve. 



d. „ ,, of specimen from Highgate (var. cor- 



neolus). Mus. Edwards. 



8. Pecten contubernalis,^. 40. Mus. Edwards. 



