﻿FRAAS ON THE JURA FORMATION. 



83 



Jurassic Series in 



Burgundy. 



Superliassic Grits. 



Trochus- marls. Am- 

 nion, bifrons, radians. 



Vassy Cement Bed. 



Saurii. Pisces. Am. 

 heterophyllus, annu- 

 latus. 



Normandy. South-England. North-England 



Cymbium Lime- 

 stone. 

 Gryphaea gigantea. 



Am. amaltheus. Pec- 

 ten sequivalvis. 

 T. digona, lagenalis. 



Am. Davsei. 



Belemnite Marls. 



T. rimosa, numismalis, 



A.. Brookii. T. vicina- 

 lis. 



Limestone with 

 Gryphseee and 

 Am. Bucklandi. 



Sinemurian Group. 

 Cardinia. 



Arkose & Granite. 



Am. communis, Thou- 

 arsensis, Holandrei, 

 bifrons. 



Fish of Croissilles 



Gryph. gigantea. T. 

 lagenalis, quadrifida. 



Am. margaritatus, he- 

 terophyllus. Spirifer. 

 Euomphalus. Conus. 

 Am.JamesonLDavsei. 



Inferior Lias. 

 Cardinia. 



Trilobite Sand- 

 stone. 



Alum Shale. 



(Lyme Regis.) 



Saurii. Am. Walcottii, 

 heterophyllus. 



Jet Rock. 



Marlstone. 

 Am. Stokesii. 

 Gryph. Maccullochii. 



Am. Bucklandi. 



Lias. 



Am. angulatus. 

 Lima Hermanni. Pa- 

 chyodon concinnus, 

 hybridus. 



Whitby Shale. 

 Posidonomya. Inoce- 



Am. Walcottii, annu 

 latus, subarmatus, be 

 terophyllus. Nucula 

 ovum. 



Banbury Sand- 

 stone. 



Belemnites penicil- 

 latus. 



Edgehill Sand- 

 stone. 

 (Ferruginous.) 

 Amphiura. Mya. Unio 



DownclifF Sandy 

 Marl. 

 Am. armatus, Taylori. 



Aberthan Blue 

 Marl. 

 Am. oxynotus, bifer. 



Am. Bucklandi, Cony- 

 beari, &c. (Rugby). 



Linksfield Sand- 

 stone. 



New Red Sandstone. 



VOL. VII. — PART II. 



