Nerinea. 



Gervillia. 



Nerita. 



Pteroceras 



Cidarites. 



Remains in the Oolite Series of England and France. 259 

 species. 



Spines of Cidarites. 



Polypifers. Many species. 



Serpula. 



Grypiiasa ? dilatata ? ? ? 



The same author presents us with the following list of or- 

 ganic remains from beds in the vicinity of La Rochelle, which 

 may probably also belong to the system under consideration. 



Ammonites annulatus. 

 Mytilus pectinatus. 

 Turritella muricata. 



Astarte elegans (Sow.) 

 pumila (Sow.) 



Area pulchra (Sow.), 



CucuUaea elongata (Sow.). Trigonia. 



Terebratula perovalis. Dicerata. 



Modiola. Cardium. 



Lutraria ovalis (Sow.). Ammonites Lambert!. 



Lucina. Caryophyllia. 



Pholadomya Proteii. 



Middle Oolitic System. — Subdivision : Oxford Clay and 

 -Kelloway Rock. 



Yorkshire. — Phillips. 



Midland and S. England. 

 — Conybeare. 



Calvados. — DeCaumont ; 

 De la Beche. 



Mya literata, O. C. & K. 



calceiformis, K. (Phil.) 



Sanguinolaria undulata, O.C. 

 Crassina lurida, O. C. 



carinata, O. C.(Phil.) 



Pholadomya obsoleta, 0.C.& 



K. (Phil.) 



Corbis ? ovalis, K. (Phil.) 



laevis ? K. 



Corbula curtansata, K. (Phil.) 

 Amphidesma recurvum, K 



(Phil.) 

 Lucina lirata, K. (Phil.) 

 Crassina carinata, K. (Phil.) 

 Cardium dissiniiic,K.(Murch) 

 Trigonia clavctlata, K. 

 .Modiola cuneata, O. C. &K. ? 



pulchra, K. (Phil.) 



Nucula elliptica, O. C. (Phil.) 



nuda, O. C. (Y. & H.) 



Cucullaca concinna, O. C. & 



K. ? (Phil.) 

 Pnina mitis (Phil.)O.C.&K. ? 

 Trif;onellitcs politus (Phil.) 



O. C. 

 Plagiostomadiiplicatum.O.C 



& K 



finely striated, O.C. 



Avinila expansa (Phil.) O.C 



.■vK 



Ichihyosaums. 



Pholadomya deltoidea, K 



Crocodile. 

 Ichthyosaurus. 

 Plesiosaunis. 

 Fish. 



Pholadomya ovalis. 

 — — — ambigua. 



Exogyra digitata, K. 



Isocardia concentrica. 



Trigonia elongata. 



clavellata. 



costata. 



Modiola subcarinata. 

 Nucula pectinata. 



Pinna tetragoua. 



Plagiostoma obscurum, K 



Avicula intcquivalvis, K. 

 2 L2 



