1852.] 



LYELL BELGIAN TERTIARY FORMATIONS. 



313 



Table IX. (continued). 



Limburg Series. 



Upper. 



Rupel- 

 monde 

 clay. 



Bergh, 

 Nucula 

 loam. 



Middle 



Lower. 



14. 

 15. 

 16. 



17. 

 18. 

 19. 

 20. 

 21. 

 22. 

 23. 

 24. 

 25. 

 26. 

 27. 

 28. 

 29. 

 30. 



31. 



32. 



33. 

 34. 



35. 



36. 

 37. 



38. 

 39. 

 40. 



41. 

 42. 

 43. 

 44. 

 45. 

 46. 

 47. 

 48. 

 49. 

 50. 

 51. 



Corbula striata, Lamarck 



fragilis, Nyst 



Crassatella intermedia, Nyst 



Astarte Henekeliusiana, Nyst 



Omalii, Lajonk., var. D., Bosquet .. 



trigonella, Nyst 



Bosquetii, Nyst 



Kickxii, Nyst, var. B., Bosquet 



plieatella, Bosq 



EiTcina neglecta, Nyst 



striatula, Nyst 



Ligula fragilis, Bosq 



brevis, Bosq 



Psammobia rudis, Lamk 



Tellina Hebertiana, Bosq 



Lucina gracilis, Nyst 



Thierensii, Hebert 



L. alhella, Nyst. 

 tenuistria, Hebert 



L. uncinata, Nyst. 

 lepida, Bosq , 



L. divaricata, Nyst. 



striatula, Nyst 



Diplodonta apicalis, Philip 



JD. parvula, Nyst. 

 Axinus Nystii, Philip 



A. angulatus, De Kon. 



Lucina Goodhalliil, Sow. 



Cyrena semistriata, Desh 



Cyprina Nystii, Hebert 



C Scutellaria, Nyst. 



islandica, var. a, Nyst ? 



Venus sublaevigata, Nyst , 



suleataria, Nyst 



V. Bosquetii, Hebert. 



laevigata, Nyst {Lamk.) 



Kickxii, Nyst , 



incrassata. Sow , 



■ incrassatoides, Nyst 



Westendorpii, Nyst 



Cardium liippopseura, Desh 



porulosum, Brander 



tenuisulcatum, Nyst , 



elegans, Nyst 



Raulini, Hebert 



scobinula, Merian , 



C striatalum, Nyst. 



