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GEOLOGICAL MEMOIRS. 



Table I. — The White 



Franconia. 



Greensand. 



Limestones. 



Diceras. 

 Natica. 

 Mytilus am- 



plus. 

 Ter. incon- 

 stans. 

 Corals. 

 (Ratisbon.) 



Schists. 



Fish. 

 Crustacea. 



Sepia?. 

 Ammonites 

 withAptychus 



(Solenhofen.) 



Dolomite and Marble. 



Terebratula lacunosa. Scy- 

 phise. Pentacr. cingulatus, 



Laminated Limestones, 

 with Am. planulati. 



Swabia. 



Molasse. 



Solenhofen Schists or 

 Crabs-claw Beds. 



Aptychus. Tereb. pentago- 

 nalis. 



Blue Clays. 



Nattheim Coral Schist. 



Anthoph. obconicum. Lithod. 

 trichotomum. Astrsea 

 Apiocrinites Milleri. Cida- 

 rites coronatus. Nerinsea 

 depressa. 



Massive Rocks. 

 Tereb. insignis. 



Marble. Dolomite. 

 Saccharoid Limestone. 

 Caverns. 



Belemnites hastatus. 



Spongites Bed. 



Tereb, lacunosa, &c. 

 Am. alternans, polyplocus 

 Eugeniacrinites. Pentacr 

 cingulatus. Scyphiae. 



Clays and Calcareous 



Beds. 

 A. polygyratus, flexuosus. 



Clays, 

 with Terebratula impressa. 



Switzerland and the Jura 



Neocomian. 



Portlandian Group. 



Limestone and marls. 



Exogyra virgula. Nerinaea 

 trinodosa. Trigonia con- 

 centrica. 



Kimmeridgian Group. 



Limestone and marls. 



Pholadomya Protei. Mya 

 Pema plana. Trigonia pli 



Sequanian Group. 



Limestone and marls. 



Astarte minima. Apiocr. 

 Meriani. Natica. Rostel 

 laria. Ostrea Bruntrutana, 

 et sequana, Thurm. 



Corallian Group. 



Nerinaea Bruntrutana. Cidaris 

 coronata. Apiocrinus Mil 

 leri. Astrsea. Antho- 

 phyllum. Lithodendron. 



Facies a chaille. 



A. biplex. 



Argovian Group. 

 Spongites. Tereb. impressa, 



