PLATE XXIV. 



Fig. 



1. Sij)]iO glaher (Verkriizen). Recent, Vardo. (Harmer Collection) 



2. Ditto. Little Oakley. (Harmer Collection) 



3. 8 ipho Jeff rei/sianiis (Fischer). Recent, Britain. (Tomlin Collection) 



4. Ditto. Little Oakley. (Harmer Collection) 



5. Sipho tortuosiis (Reeve), var. attennata, G. 0. Sars. Boyton. (Harmer 



Collection) .... 

 ditto. Scaldisien, Antwerp. (Harmer Collection) 

 Sipho elegans (Morcli MS.), sp. nov. Pliocene, Iceland. (Harmer 



Collection) .... 



Ditto. Butley. (Harmer Collection) 

 9. Sipho Sarsii (Jeffreys), var. crassa, nov. Little Oakley. (Harmer 

 Collection) ..... 



Sipho exiguus, sp. nov. Little Oakley. (Harmer Collection) 

 Sipho tortnosHS (Reeve), vav. I irata, nov. Bramerton. (Flarmer (-ollection 

 ditto. Boyton. (York Museum) . 

 ditto. Little Oakley. (Harmer Collection) 

 ditto. Scaldisien, Antwerp. (Harmer Collection) 

 ditto. Scaldisien, Antwerp. (Harmer Collection) 

 Neptiinea ignota, sp. nov. Postwick. (Norwich Museum) 



10. 

 11. 

 12. 

 13. 

 14. 

 15. 

 16. 



Page. 



188 

 188 

 196 

 196 



191 



191 



199 

 199 



198 

 199 

 192 

 192 

 192 

 192 

 192 

 173 



