﻿82 GEOLOGICAL MEMOIRS. 



Table III.— The Black 



Franconia. 



Swabia. 



Switzerland and the Jura. 



Clays. 



Am. hircinus, radians, Juren- 

 sis. Bel. digitalis, acuarius. 



Posidonomya Schists. 



Saurii. Pisces. Avicula sub- 

 striata. Am. subarmatus, 

 heterophyllus. 



Jurensis Marl. 

 A. radians, Jurensis, insignis. 



Posidonomya Schists. 



Smirii TMcppe T(Alio*rt 



Am. depressus, Lythensis, an- 



nulatus. 

 Belemnites acuarius. Penta- 



crinus subangularis. 

 Am. costatus. Terebratula 



digona. Belemnites paxil- 



losus. 



Amaltheus Clays. 



Superliassic Grit. 

 Asterias. 



Superior Lias. Trochus 

 Marls. 



Am. communis, radians, in- 

 signis, Jurensis, Germaini, 

 sternalis. 



Bituminous Schists. 



A. Davsei, lineatus. 

 Belemnite-bed. 



Numismalis Clays. 

 Am. Taylori, Jamesoni. 



Plicatulse Marls. 



Marls with Am. marga- 

 ritatus. 

 Am. Davsei. 



Grey Marls with Belem- 

 nites. 

 Terebratula numismalis. 



Cymbium Beds. 



Mactromya gibbosa. Am. ra- 

 ricostatus, oxynotus, bifer, 

 natrix. 



Am. raricostatus. 



Am. oxynotus, et bifer. 



Pholadomya-bed. Am. 

 Brookii. T. vicinalis. 



Turneri Clays. 

 Am. Turneri. 



Pentacrinus basaltiformis. 

 Am. Bucklandi. Gryphsea 

 arcuata. 



Arietes Beds. 



Sandstones. 

 Am. angulatus. 



Thalassites Bed. 



Thalassites concinnus. Am. 

 psilonotus. 



Blue Clays. 

 Am. costatus. 



Aschach Limestones. 



A. natrix, ibex. Terebratula 

 vicinalis. 



Pentacrinus. Am. Bucklandi. 



Limestone with Gryphsea 

 arcuata. 



Cardinia Bed. 



Cardinia concinna, securi- 

 formis. 



Hard, coarsely crystal- 

 lized Sandstones. 



Keuper. 



Keuper. 



Keuper. 



