PLATE IX. 



J. Mackie Del. 



RHYJJCHONELL^ 

 In th.e CoUeetion of J- Jones. Esq.. of Gloucester. 



Figs. 1 — 3. PLiiyncb-oneUa acuta, from Uie Lias Marlstone. 



Figs. 4 — 9. Eiiynclionella cynocephala, from the " Ceplialopoda-bed." 



Figs. 10 — 14. Ehynchonella cyncceptiala, fi-om the Upper Lias Sand 



