LIST OF PLATES. 



Plate I. 



Fig. 



1. Inocerarous Coquandianus, from Speeton. 



2. Fragment of Inoceranius, striated by glacial action, Muswell Hill. 



3. Nautilus simplex, Hunstanton. 



4. Inoceramus Grispii, Hunstanton. 



5. I. tenuis, Hunstanton. 



Plate II. 



1. Spongia paradoxica, Hunstanton. 



2. Siphonia piriformis, Hunstanton. > 



3. Cardiaster suborbicularis, Hunstanton. 



4. Ostrea frons, Muswell Hill. 



5. 0. vesicularis, Hunstanton. 



6. -Exogyra haliotoidea, Hunstanton. 



7. Cytherella ovata, Speeton. 



8. Cristellaria rotulata, Speeton. 



9. Trochocyatlms (?) , Hunstanton. 



Plate III. 



1,1a. Vermicularia elongata. Upper and under surface of two different 

 specimens, Speeton. 



2. Vermicularia umbonata, Hunstanton. 



3. Serpula irregularis, Hunstanton. 



4. S. antiquata, Hunstanton. 



5. Bourgueticrinus pjgosus, Hunstanton. 



6. Diadema tumidum, Hunstanton. 



7. Gidaris Gaultina ((), Hunstanton. 



Plate IV. 



1. Terebratula biplicata, la. mag. surface, Hunstanton. 



2. T. semiglobosa, 2a. mag. surface, Speeton. 



3. Kingena lima, 3«. mag. surface, Hunstanton. 



4. Terebratula capillata, 4a. mag. surface, Hunstanton 



5. Belemnites attenuatus, Hunstanton. 



6. B. Listeri, Speeton. 



7. B. ultimus, Speeton. 



8. B. minimus, Speeton. 



