INOCERAMUS. 



M7 



Inoceramus digitatus, Sowerby, 1829. Text-fig. 95. 



1829. Inoceramtts digitatus, J. de C. Sowerby. Min. Couch., vol. vi, p. 215, 



pi. dciv, fig. 2. 

 1854. J.Morris. Cat. Brit. Foss., ed. 2, p. 169. 



? 1875. C. Becocq. Assoc. Fraii9. Avanc. Sci. (Lille, 



1874), p. 368. 



Remarks. — This species attains a large size, but is known only by small 



Via. 95. — Inoceramtts digitatus, Sow. The type. Prom the Drift (derived from the Chalk). British 



Museum, No. 43273. x 5. 



portions of the shell of which the exact horizon cannot be determined. The 

 ornamentation consists of broad, rounded, radial folds, which diverge very 

 gradually and are separated by broad rounded interspaces. Small concentric 

 ribs occur, and at distant intervals, broad, gentle, concentric folds can be traced. 

 The form referred to /. digitatus by Schliiter differs from that species in having 



