TAB. XIV. 



Fig. 



la — c. Cardium decorticatum, ^aye 159. 



d. „ „ (tenellum) 



2« — ff. „ edule, jw. 155. 



a. Var. vulgaris. 



d. ,, umbonatum, from Bramerton, Mam. Crag. 



c. „ edulinum, from Sutton, Cor. Crag. 



d. „ multicostatum, with 28 ribs ; from Sutton, Red Crag. 



e. „ clodiense, from Sutton, Red Crag. 



/. „ inhabile, with 20 ribs ; from Sutton, Red Crag. 

 ^. „ paucicostatum, 18 ribs; Bramerton, Mam. Crag. 



3 a, h. Cardium echinatum, j(?. 152. 



4 a, h. „ interruptum,^. 159. 



