GEOLOGY OF THE BRISTOL COAL-FIELD. 265- 



Pentamerus oblongus (J. de C. Sow.) 



Ehynchonella decemplicata (Sow.) 

 nucula (Sow.) 

 Llandoveriana (Dav.) 

 Weaveri (Salt.) 

 Atrypa hemisph erica (J. de C. Sow.) 



reticularis (L.) var. orbicularis, 

 Spirifera elevata (Dalm ) 



exporrecta (Wahl,) 

 crispa (Hisinger.) 



Strophomena rhomboidalis (Walck ) 

 arenacea (Salt.) 

 compressa (Sow.) 

 Orthis reversa var. !Mullockiensis (Salt.) 



calligramma (Dalm.) (not flabellulum.) 

 elegantula (Dalm.) 



Pterotheca sp. 



Pterinea retroflexa (Wahl.) 



Modiola sp. 



Euomphalus funatus (Sow.) 

 sculptus (Sow.) 



Cyclonema ventricosa (Hill.) 



Raphistoma lenticularis (Sow.) 



Holapella obsoleta (Sow.) 

 gregaria (Sow.) 



Bellerophon trilobatus (Sow.) 



II. We7iloch Shales and Limestone. 



These beds may be seen throughout the neighbourhood of Tort- 

 worth, Avening Green, Falfield, &c., The following section may- 

 be seen in the middle of a field near Falfield Mill. 



