INOCERAMUS. 



315 



Fig. 70. 



Fig. 71. 



Fig. 70. — Inoceramus Lamarcki, Park. The original of I. Brongniarti, Sowerby, 'Min. Conch./ vol. v, 



p. 60, pi. ccccxli, fig. 2. Chalk. Locality and horizon unknown. British Museum, No. 43265. 



Eight valve. Natural size. 

 Fig. 71. — Inoceramus Lamarcki var. Websteri, Mant. The typo of I. Websteri, Mantell, ' Foss. S. Downs,' 



p. 216, pi. xxvii, fig. 2. Upper Chalk (probably zone of Micraster cor-testudinarium), South Street, 



Lewes. British Museum, No. 4759. Left valve. Natural size. 



Fig. 73. 



Fig. 72. 



Ai 



S 



»»*** 



3KS? 



Fig. 72.— Inoceramus LamarcH var. Websteri, Mant. Upper Chalk, Swaffham, Norfolk. Norwich Museum, 



No. 3298. Left valve and anterior view. Natural size. 

 Fig. 73. — Inoceramus Lamarcki var. Cuvieri, Sow. The type of Inoceramus Cuvieri, Sowerby, ' Trans. Linn. 



Soc.,' vol. xiii (1822), p. 453, pi. xxv, figs. 2, 3, and ' Min. Conch.,' vol. v (1823), p. 59, pi. ccccxli, fig. 1. 



Middle Chalk (zone of Terebratulina lata), Eoyston. British Museum, No. 43264. Left valve. 



Natural size. 



