

AT 



[Quart. Joui-n. Geol. Soc. vol. ix. Table to face p. 244.] 



tipper 

 Limestone. 



Boulonnais. 



South Devon and 

 Cornwall. 



North Devon. 



{I: 



Coal- 

 measures. 



Higher 

 Mountain 

 Limestone. 



Lower 

 Mountain 

 Limestone. 



Yellow 



Sandstone 



Group. 



- T r Some part of the C.-M. Coal measures. 



2 -s series unconformable in 



• ■ ■ ■ ■ L South Devon. 



Wales, Somerset, 



and Midland and Belgic area (Dwmont). 



Northern Area. 



Magnesian lime- 



stone series. 



Coal measures. Coal measures. 



Middle Rhine 

 {Sandberger). 



1. 



.3. 



Upper limestone 



Gritstone series. Calcaire de Vise. 



{Great limestone 

 Shales Black hmestones. 

 Dolomitic Hmestone. 



Argile de transition (Leveille). 

 Great limestone. 



Lower Mountain Lower Limestone of Posidonomyen-schiefer 

 limestone. Tournay. 



Zones characterized hy 

 Terebratula elongata. 



Produetus giganteus. 



Posidonia Becheri ; Goniatites crenistria. 



rShales ~| Red shales and sandstones Fremington; Pilton ' 



J Yellow sandstone. I of Torbay district. and Petherwin ; 



j Red shales. f Marwood sands. 



[^Fossiliferous shalesj Morthoe groups. 



, Old Red Sand- 



stone . 



{Sehistes et Psammites 

 du Condros. 

 Schistes fossilLferes. J 



[- Cypridinen-schiefer < 



Ferques 



and 

 Fiennes 

 Group. 



Coral limestone .... Upper Newton limestone "] 



Shales. | 



Dolomitic limestone. 



Shales. 



Black limestone. 



Shales Ogwell ; Plymouth 



Sandstones Shales with slate bands . . 



Red shales. 

 Black shales. 



<( Limestone Ashburton,Bickington and 



Chudleigh 



Limestone 



Sandstones 



^Iliracombe group . 



JrSchaalstein 

 Calcaire de Givet. ■ • ■ J Dolomite . . 

 TeiTain Eifelien of i 



I Dumont. 



■Limestone of Villmar. 



Cypridina serratostriata, Sandb. 

 Calymene granulata ; Goniatites bifrons. 

 L3. Cucullsea Haidingeri ; C. trapezium. 



. . . Sphseronites tessellatus. 



. . . Cyrtoceras, pi. sp. 

 . . . Stringocephalus Burtini ; Brontes flabel- 

 hfer. 

 Calceola sandaUna. 



i» Linton group 



("Sandstone and con- 

 I glomerate of Burnot. 



< Shales of Wissenbach. . . 



I Ahrien series of Du- 

 l_ mont. 

 Rhenane series .... Spirifer sandstone series. 



Pleurodictyon problematicum. 

 Spirifer macropterus. 





