246 



{j:^ Fossil oysters also occur in the Lias formation. 



VENUS. 



ISOCARDIA. 



varicosa 245 



lineolata 20 

 planus 



angulata 65 



equalis 2 1 



incrassata 155 

 margaritacea297 

 gibbosa 



rustica 196 



lentiformis 203 



turgida 256 



minima 295 



tener 295 



rostrata 295 



sulcata 



295 



PINNA. 



lanceolata 28 1 

 margaritacea 



CORNBRASH. 



ditto. 

 Green sand. 



ditto. 



ditto. 

 Green sand. Crag. 

 London clay. 



ditto. 

 Crag. 



ditto. 



ditto. 



ditto. 

 CORNBRASH. 



ditto. 

 Kellovi-ay stone. 

 Upper oolite. 



Ovondon clay, (only a single 

 c individual) 

 CORNBRASH. 

 Neighbourhood of Scarbro'.* 

 London clav. 



* I have taken the liberty to place this fossil under the Cornhrasli, 

 from the appearance of the matrix of that which [ possess. I think 

 that the Rev. Mr. Marsh, of Felmershain, has favoured me with 

 fragments of this fossil from his neighbourhood. 



