ON CHARACTERISTIC FOSSILS. 
Terebratula carnea. 
Rhynchonella plicatilis 
Spondylus spinosus 
Ostrea lunata 
Senonian—contd. 
Actinocamax quadratus 
Belemnitella mucronata 
Ptychodus rugosus 
Astarte tenera 
Corbula regulbiensis 
Cyprina morrisi 
Aporrhais sowerbyi 
Woolwich and Reading Beds. 
Ostrea bellovacina . 
Cyrena cuneiformis 
»,  tellinella 
Melania inquinata 
Potamides funatus 
EOCENE. 
Thanet Sands. 
London Clay. 
Vermicularia bognoriensis 
Pholadomya margaritacea 
Pinna affinis . 
Pectunculus brevirostris . 
Teredo sp. 
Pyrula smithi 
Voluta nodosa 
Natica hantonensis 
Nautilus regalis 
Xanthopsis leachi . 
Hoploparia gammaroides 
Lamna obliqua 
Myliobatis toliapicus 
Nipadites sp. 
Bracklesham Beds. 
Nummulites levigatus 
Litharzea websteri . 
Crassatella compressa 
Cardita planicosta 
Conus deperditus 
Pleurotoma attenuata 
Voluta selseiensis . 
Turritella sulcifera 
Belosepia sepioidea 
Galeocerdo latidens 
Palzophis sp. 
Barton Beds. 
Nummulites planulatus . 
Crassatella sulcata . 
Cardita sulcata 
Corbula ficus 
Chama squamosa . 
Dentalium striatum 
Brachiopoda 
Pelecypoda 
Ce phalo poda 
99 
Pisces 
Pelecypoda 
29 
Gastropoda 
Pelecypoda 
99 
Gastropoda 
” 
Vermes 
Pelecypoda 
> 
Gastropoda 
” 
Cephalopoda 
Decapoda 
39 
Pisces 
Plante 
Protozoa 
Anthozoa 
Pelecypoda 
Gastropoda 
” 
Cephalopoda 
Pisces 
Reptilia 
Protozoa 
Pelecypoda 
” 
Scaphopoda 
307 
