XV111 



LAMARCK'S DIVISIONS OF 



Linnean Genera. Lamarckian Genera. Plate. 



("Nautilus , 13 



I Orthoceras 13 



19. Nautilus ^ Nodosaria 13 



I Spirula 13 



LCristellaria 14 



20. Conus Conus 1416 



21. Cypraea Cypraea 17 



'Bulla 18 



Bullsea 18 



Bulimus 34 



22. Bulla > Achatina 18 



Physa 18 



Ovula 18 



Terebellum 18 



fVoluta 21 



Auricula 19 



Ancifla 18 



Tornatella 19 



Turbinella 21 



23. Voluta <> Cancellaria 20 



Columhella 20 



Mitra 21 



Marginella 20 



Volvaria 19 



^Oliva 19 



"Buccinum 22 



Concholepas 22 



Phasianella 23 



Cassidaria 22 



Cassis 22 



24. Buccinum Purpura 22 



Monoceros 22 



Harpa 22 



Dolium 22 



Eburna 23 



LTerebra 24 



