Fi<;. I.-. 



Fig. 44. 



Fio. 4ri.—Inoce)-amus inconshins, sp. nov. The oiiifinal of /. llmitjuiarli, var., MaiitcII, ' Foss. S. D.iwns," 

 p. 215, pi. x.xviii, fijj. 3. Upper Clialk (prol)al)Iy zone of Mirraster cur-aifiiiinum), Soutlieraui. British 

 Musevim, No. 5878. Right valve. Natural size. 



FiQ. 4r,.—Inoceramus mconsfaiis, sp. nov. Upper Chalk, Sil-sslx. liritish Jliiseum, No. 5861). Left valve 



and anterior view. Natural size. 



Fio. -Mi. — />i Off rum lis I'neonii'nii.'i, sp. nov. Zone of Hiihtnler j'/niiii.i, SnafTliani, Norfolk. Norwioh Miitioum. 



Right valve. Natural size. 



