8 ILLUSTRATIOKS. 



XXXI. Volutidfc of the Eocene layers of the Upper Bed Grieensand Marls 360 



XXXII. VolntidsB of the Eocene layers of the Upper Bed Greensand Marls 362 



XXXIII. Cancellariidae, Pleurotomiilie, Strombidie, and Cypraeidse of the Eocene lay- 



ers of the Upper Bed Greensand Marls 364 



XXXIV. Conidae, CassididiB, DoliidaR, Natioidae, Oaustidse, Solariidae, Scalariidse, and 



Turritellidse of the Eoceno layers of the Upper Bed Greensand Marls 366 



XXXV. Pleurotomariidie of the Eocene layers of the Upper Bed Greensand Marls 368 



XXXVI.- Pleurotomariidae and TornatellidiB of the Eocene layers of the Upper Bed 



Greensand Marls 370 



XXXVII. NautilidsB of the Lower Bed Greensand Marls .- 372 



XXXVIII. NantilidsE of the Lower and Middle Beds Greensand Marls 374 



XXXIX. Nantilidoe of the Middle Bed Greensand Marls 376 



XL. Ammonitidse of the Lower Bed Greensand Marls 378 



XLI. AiumonitidiB of the Lower aud Middle Beds Greensand Marls 380 



XLII. Ammonitidai of the Lower Bed Greensand Marls 382 



XLIII. AmmonltidBe of the Lower Bed Greensand Marls 384 



XLIV. Ammonitidae of the Lower Bed Greensand Marls 386 



XLV. Ammonitidae of the Lower Bed Greensand Marls 388 



XLVI. Ammonitidse of the Lower and Middle Beds Greensand Marls 390 



XL VII. Belemnitidic of the Lower Bed Greensand Marls 392 



XLVIII. NautilidiE of the Eocene layers of the Upper Bee" Greensand Marls 394 



XLIX. Nantilidaj of the Eocene layers of the Upper Bed Greensand Marls 396 



L. NautilidsB of the Eocene layers of the Upper Bed Greensand Marls 398 



Fig. 1. Piaceutioeras (Sphenodiscus) lenticulare (Owen) Meek 259 



2. Nautilus Cookan a , 286 



