PLATE VII. 



Fig. Page. 



J. Biicciniim aiidatiiDi, Linne. 



var. crassa, King, Recent specimen. (Tomlin Collection) . 94 



2. ditto. Waldring-field. (Ipswich Museum) . . .94 



3. var. cfBvuIea, G. O. Sars. March gravels. (Harmer Collection) . 91 



4. ditto. Pleistocene, Christiania. (0yen Collection) . . 92 



5. var. zetlaiuJica, Forbes. Butley. (Cambridge Museum) . 94 



6. var. minwui, nov. Little Oakley. (Harmer Collection) . 97 



7. Buccinuiii Donovani, G-ray. Little Oakley. (Harmer Collection) . 107 



