Pig. 45 



Fig. 44 



Fig 44 — Inoceramus inconstans, sp. nov. The original of I. Brongniarti, var., Mantell, ' Foss. b. Downs, 

 p. 215, pi. xxviii, fig. 3. Upper Chalk (probably zone of Micraster cor-anguinum), Southeram. British 

 Museum, No. 5878. Eight valve. Natural size. 



Fig. 45.— Inoceramus inconstans, sp. nov. Upper Chalk, Sussex. British Museum, No. 5863. Left valve 



and anterior view. Natural size. 



Fig 46.— Inoceramus inconstans, sp. nov. Zone of Holaster planus, Swaffham, Norfolk. Norwich Museum. 



Right valve. Natural size. 



