142 LOWER CHALK. 



18. Ostrea. 



19. Terebratula subrotunda. 



20. ' ovata. 



21. undata. 



22. Inoceramus mytilloides. 



2S.* Websteri. 



24.* — striatus. 



25. latus. 



26. Astacus Leachii. 



27. Squalus cornubicus (the teeth of). 



28. mustelus. 



29. — ■ zyg(sna. 



SO. BaHstes (fins or radii of). 



31. Diodon (molar teeth of). 



32. Zeus Lewesiensis. 



33. Muraena Levjesiensis. 

 34.* Sahno Lewesiensis. 

 35.* Amia ? Lewesiensis. 



Those marked thus * have not been discovered in any othet- deposit. 



