THE LINNEAN GENERA. 



Linnean Genera. Lamarchian Genera. Plate. 



% '~b' fStrombus 25 



Pirena 25 



25, Strombus . O?/^; -^ Cerithium 25 



^w^ <""l Rostellaria 24 



■* iiA LPteroceras 24 



Murex 25 



Fasciolaria 27 



Fusus 26 



Pyrula 26 



Struthiolaria 26 



Ranella 26 



Triton 27 



rt n LRicinula 26 



*1r ^Trochus 29 



L 





26. Murex i^ / S 



1*^ 



27. Trochus, 



( J P\ Pyramidella 30 



, 1 Solarium 29 



4^' 



LRotella 29 



28. Turbo 



) 



29. Helix \ 



Turbo 30 



Pupa 31 



Clausilia 32 



Scalaria 31 



Delphinula 31 



J^\\ (_Turritella 32 



f Helix 33 



Paludina 34 



CaracoUa S3 



Anostoma 33 



Bulimus 34 



Succinia S5 



Cyclostoma S2 



Planorbis S3 



Lymnaea S5 



Melania 35 



Valvata 31 



AmpuUaria S3 



Janthina 34 



1 .Sigaretus ....,!. 35 



b2 



Figure. 



22 



40 



39 



1 



5 



6 



98 



71 



82 



62 



44 



95 



47 



66 



122 



62 



78 



34 

 110 

 146 



88 



83 

 130 



7Q 

 119 



26 



102 



171 



7 



55 

 166 

 164 



87 



71 

 116 

 187 



