40 



GENERIC SYSTEM. 



Multivalves. 



1 Cliiton - 40 



2 Lepas - 45 



3 Pholas - 12 



Bivalves. 



4 Mya - 



5 Solen 



6 Tellina - 



7 Cardiuin - 



8 Mactra - 



9 Donax - 

 10 Venus - 



41 

 35 



07 

 54 

 37 

 21 

 116 



1 1 Spond) lus 4 



12 Chama - 25 



13 Area - 45 



14 Ostrea - 84 



15 Anomia - 32 



16 Mytilus - 49 



17 Pinna - 21 



8 



19 



5 



18 



12 



25 



16 



15 



7 



34 







1 



9 



13 



5 



17 

 3 



Univalves. 



18 Argonauta 11 



19 Nautilus - 58 



20 Conus - 155 



21 Cypi-fea - 68 



22 Bulla - 61 



23 Voluta - 186 



24 Buccinum 172 



25 Strombus 44 



26 Murex - 171 



27 Trochus 130 



28 Turbo - 167 



29 Helix - 189 



30 Nerita - 70 



31 Haliotis - 21 



32 Patella - 102 



33 Dentalium 15 



34 Seipula - 38 



35 Teredo - 4 



36 Sabella - 25 







22 







2 

 20 

 16 

 18 



3 

 27 

 13 

 77 

 70 

 11 



1 

 14 



7 

 28 



1 

 13 



Total - 2445 550 



