PLATE I. 





S. J. Mackie Del. 



RHYNCHONELLjE 

 In the Collection of J. Jones, Esq., of Gloucester. 



Figs. 13. Rhynchonella acuta, from the Lias Marlstone. 



Figs. 4 '). Rhynchoneila cynocephala, from the " Cephalopoda- bed. ' 



Figs. 10 14. Rhynchonella cynocephala, from the Upper Lias Sand. 



