THE LINNEAN GENEKA 



XVll 



Linnean Genera. 



Lamarckian Genera. Piute. Figure. 



12. Chama, 



13. Area 



14. Ostrea. 



pChama 9 



j Cardita 9 



J Cypricardia 9 



| Isocardia 9 



■ Tridacna 9 



Lliippopus 9 



TArca 



! Cucullsea . . . 

 \ Pectunculus. 



L 



Nucula 



9 



9 



10 



9 



C Ostrea 



j Crenatula 



| Pema 



J Malleus 



» Pedum 



Lima , 



Gryphsea 10 



Pecten 10 



18 

 4 



17 

 1 

 2 

 3 



2 

 16 

 36 

 27 



74 

 82 

 80 

 58 

 75 

 54 

 1 

 1 



15. Anomia 



16. Mytilus 



17. Pinna.. . 



18. Argonauta 



"Anomia 



Placuna 



Crania 



j Orbicula . . , 

 ; Terebratula 

 (^Hyalaea.. .. 



TMytilus. 

 i Saxicava 





11 

 12 

 11 

 11 

 11 

 11 



12 



12 



Anodon 12 



Modiola 12 



Avicula 12 



Meleagrina 12 



Pinna. 



i Argonauta 

 f Carinaria . 



12 



13 



13 



3 



30 



1 



2 



24 



28 

 9 

 32 

 31 

 42 

 4 



1—20 



1—3 

 6 



