239 



A TABLE OF BRITISH FOSSIL SHELLS, 



Each Genus and each Species being placed in the Order of the Strata 

 in which they occur. 



The number (or letter) at the end of each species, points out the plate in 

 Mr. Sovverby's Mineral Conchology in which that species is depicted. 



truncatus 123 



striatus 182 



intermedius 125 



lineatus 41 



sinuatus 194 



obesus 124 



Blue lias. 



ditto 

 Blue lias and crag. 

 Lower oolite. 



ditto 



ditto 



