LAMARCK'S DIVISIONS OF 



Linnean Genera. Lamarckian Genera. Plate. 



rNautilus 13 



I Orthoceras 13 



19. Nautilus .^ Nodosaria 13 



Spirula 13 



LCristellaria 14 



20. Conus Conus 14—16 



21. Cyprsea Cyprsea 17 



fBuUa 18 



Bullaea 18 



Bulimus 34 



22. Bulla <^ Achatina 18 



Physa 18 



Ovula 18 



; 1 (_Terebellum 18 



f Voluta 21 



Auricula 19 



Ancilla 18 



Tornatella 19 



Turbinella 21 



U I 



23. Voluta 



r>^ 



^ 



n 



24. Buccipum 



>rt-*. . . \ Cancellaria 20 



Columbella 20 



Mitra 21 



Marginella 20 



Volvaria 19 



LOliva 19 



"Buccinum 22 



Concholepas 22 



Phasianella 23 



Cassidaria 22 



Cassis 22 



%l Purpura 22 



^* Monoceros 22 



Harpa 22 



Dolium 22 



Eburna 9.Z 



LTerebra 24 



$4 



/ 



1, 



Figure. 



1 



24 

 27 

 16 

 47 

 1-155 

 1—67 

 20 

 14 



101 



53 



37 



1 



41 



175 



1 



44 



13 



160 

 71 

 74 



144 

 64 

 59 

 29 



37 

 56 

 96 



9 

 14 

 53 

 54 

 49 



6 



77 



129 



