XVI 



LAMARCK'S DIVISIONS OF 



Linnean Genera. 



4. Mya 



Lamarckian Genera. Plate. 

 Mya 2 



5. Solen 



6. Tellina < 



7. Cardium 



8. Mactra . 



9. Donax 



10. Venus 



1 1 Spondylus 



Glycymeris 2 



Anatina 3 



Corbula 3 



Hyria 2 



Vulsella 11 



fSolen 3 



^ Sanguinolaria 3 



L Hiatella 3 



f Tellina 4 



I Amphidesma 4 



] Pandora 5 



Psammobia 4 



Cyclas 5 



_Cyrena 8 



Cardium 5 



f Mactra 6 



^ Lutraria 6 



LCrassatella 6 



f Donax 6 



^ Capsa 6 



LPetricola 6 



fVenus 8 



Venerirupis 8 



Corbis 8 



Lucina 8 



Crassina >. 7 



Galatea 7 



Cyprina 7 



^Cytherea 7 



Spondylus 9 



Plicatula . , 9 



Figure. 



1 



41 

 10 

 13 



40 

 36 

 84 



3 



29 

 33 



26 

 76 

 97 

 36 

 90 

 114 

 154 

 21 

 36 

 16 



1 



14 



21 



67 



108 



65 



79 



21 



48 



41 



46 



1 



3 



