INOCERAMUS. 



315 



KiQ. 70. 



Fi. 



Fig. 70. — Inoceramus Lamarchi, Park. The original of I. Bronr/nUnti, Suvvfrby, ' Min. Conch.,' vol. v, 



p. 60, pi. ccccxli, &g. 2. Chalk. Locality and horizon unknown. British Museum, No. 13265. 



Right valve. Natural size. 

 Pig. 71. — /noceramws Lamarcki var. IVebsteri, Mant. The type of /. JJ'ebsteri, Mantell, ' Foss. S. Downs,' 



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



Lewes. British Museum, No. 4-7o9. Left valve. Natural size. 



Fig. 73. 



Fio. 72. 



y 



.jmt 



Via. 72. — Inoceramus Lamarcki var. Websteri, Mant. Upper Chalk, Swaffhaui, Norfolk. Norwich Museum, 



No. 32!»S. Left valve and anterior view. Natural size. 

 Fia. 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 (1H23), p. 5!l, pi. ccccxli, fig. 1. 



Middle Chalk (zone of Terebralulina lata), Koyston. British Museum, No. -13204. Left valve. 



Natural size. 



