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206
Mr. Webster on the Strata lying over the Chalk.
Names given by Lamarck. |
Linnean names. | Place where they have been found.
|
| Tongue of fish of the genus Raia | Sheppey | |
| Tail of the String Ray | Highgate | |
| Scales of fish | Sheppey | |
| Vertebræ of various species of fish | Sussex, Sheppey, Highgate | |
| Cancer, above 20 species of Crabs | Sheppey | |
| Gammarus or Lobster | Sheppey | |
| Crangon or Prawn | Sheppey | |
| Wood, often pierced by the Teredo navalis &c filled with pyrites or calacareous spar | Portsmouth, Sheppey, Highgate | |
| Fruits, branches, excrescences, ligneous seed vessels and berries impregnated with pyrites | Sheppey, Emsworth in Sussex |
Although nearly 600 species of fossil shells have been described by M. Lamarck as belonging to the calcaire grossier, Messrs. Cuvier and Brongniart have selected the following as particularly characteristic of the several beds.
Lower beds
| Nummulites lævigata | Cerithium giganteum |
| scabra | Lucina lamellosa |
| numismalis | Cardium porulosum |
| &c. | Voluta cithara |
| Madrepora | Crassatella lamellosa |
| Astraæ | Turitella multisulcata |
| Caryophyllia | Ostrea Flabellula |
| Fungites | Cymbula |
