﻿FRAAS ON THE JURA FORMATION. 81 



Jurassic Series in 



Burgundy. 



Kellovian and 

 Oxfordian. 



Limestone, with Am 

 annularis, cordatus. 



Cornbrash 

 or Oolitic limestone. 



Forest Marble. 

 Corals. 



Great Oolite. 



Fuller's Earth 

 Marls. 

 Gervillia. Pholadomya, 



Inferior Oolite. 



Am. Parkinsoni. 

 Donax Alduini. 



Entrochi Lime- 

 stone. 

 Corals. 



Ferruginous 

 Oolite. 

 Terebratula. 



Normandy. 



Dives Clays. 



(Oxfordian.) 



Am. Jason, ornatus 

 Lamberti, sublaevis, 

 Gryphaea dilatata. 



Kellovian. 



Am, cordatus, capri- 

 nus, Lamberti. 



Black marls. Ostrea 

 Marshii. Gervillia. 

 Perna. 



Forest Marble. 



Corals. Apiocrinites 

 rotundus, Parkinsoni, 

 &c. 



(Luc Oolite.) 



Terebr. digona, con- 

 cinna. Corals. He- 

 micidaris. 



Great Oolite. 

 (Caen Oolite.) 



Bayeux Oolite. 



Am. Parkinsoni, coro- 

 natus, Humphriesia- 

 nus. Pleurotomaria 

 Trigonia costata. Os- 

 trea Marshii, Tere- 

 bratula, &c. 



Oxford Clay. 



Am. caprinus, perar 

 matus, macrocepha 

 lus, sublsevis. 



Cornbrash. 

 Terebratulae. 



South-England. 



Forest Marble. 



Pentacrinus vulgaris. 

 Corals. 



Bradford Clay. 



Apiocr. intermedins 

 rotundus, &c. Tere- 

 bratula digona. 



Great or 

 Bath Oolite. 



Fuller's Earth. 



Gervillia. Pinna. Os- 

 trea acuminata. 



North-England. 



Oxford Clay. 



Am. Jason, Duncani, 

 athleta. Astacus 

 (Clythia). 



Kelloways Rock. 



Cornbrash. 



Galerites depressus. 

 Clypeus. Pholadomya 



Murchisoni. Ostrea 



Marshii. 



Upper Moorland 

 Sandstone. 



Monocotyledonous 

 Plants. 



Grey Limestone. 



Am. Blagdeni. Tri- 

 gonia costata. Perna 

 quadrata. 



Lower Moorland 

 Sandstone. 



Monocotyledonous 

 Plants. 



Inferior Oolite. 

 Pecten personatus. 

 (Marly Sandstone.) 



