188 



Gervillia tortuosa, Desl. 

 Trichites undulatus, Lye. 

 Opis cordifonnis, Lye. 

 Modiola Sowerbii, d'Orb. 



Modiola bipartita, Soiv. 

 " inibricata, Sow. 

 Ostrea acuminata, Soiv. 

 Anatina pinguis, Ag. 



ECHIKTODEEMATA. 

 Stomecbinus intermedius, Agass. Clypeus Plotii, Leske. 



II bigxanulaiis, Lanik. 



Magnotia Forbesii, Wr. 

 Hyboclypus gibberulus, Ag. 



II caudatus, Wr. 



Holectypus bemispbericus, Desor. 



II depressus, Leske. 



'I Agassizii, Wr. 



II altus, Mc Coy. 

 Collyrites ringens, Desml. 



II ovalis, Leske. 

 Pedina rotata, Wright. 

 Pygurus Micbelini, Cott. 



Anthozoa. 

 Tbecosmilia gregaria, Edw. &Haime. MontlivaltiaDelabecbii,J?(^. (fc^ctme 

 Isastrsea tenuistriata, " n " trocboides, " 



Tbamnastrsea Defranciana, " " "Wrigbtii, " 



Latomeandra Davidsonii, " Trococyatbus Magnevillianus, Mich. 



Montlivaltia "Wrigbtii, '. " Discocyatbus Eudesi, Mich. 



Bathonien = Great Oolite. 



In the north of France I'etage Bathonien is composed of 



Terre a Foulon, Grande OoHthe, Calcaire de Caen, Oolithe de 



Caen, Calcaire de Ranville, and Calcaire a Polypiers. In the 



departments of the Cote-d'Or and Saone-et-Loire it admits of 



the following sub-division. M. J. Martin, for the Cote-d'Or, 



classifies the stages thus :— 



'Dalle nacree et calcaire mameux inf. a 

 Prionastroea, Pentacrinus, Buvignieri, et 

 nombreiix Bryozoaire. Calcaires en pla- 

 quettes a Bryozoaire. Ostrea costata, 

 Terehratala coaretata, etc. Calcaires sub- 

 oolitbiques et mames a Terebratula, 

 digona, obovata, ornithocejyhala et intermedia. 

 Calcaire gris sub-oolitbique et mames a 

 Terebratula cardium et hemispherica Apio- 

 erinus Parkinsoni, Semicidaris Lueiensis, 

 Bathonien OU , JTeteropora pustidosa, etc. 

 Grande Oolithe i Calcaires compactes ruinif ormes a Acrosalenia 

 Lamar ckii. 



Oolitbe blancbe miliare a Purpura glabra, et 

 Purpura minax. 



Calcaires mameux, a Ammonites bullatus, 

 Ammonites arbustigerus et Pholadomya 

 Vezelayi. 



Calcaires mameux inferieur a Pholadomya 

 bueardium. Marnes a Ostrea acuminata et 

 Ammonites Parkinsoni. OoHtbo canabine a 

 Pholadomya gibbosa et Ostrea acuminata. 



