NORMAN : ON THE MOLLUSCA OF BERGEN FIORDS. 



21 



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6i 

 62 



63 

 64 



65 

 66 



67 

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70 



71 



72 



73 

 74 



75 

 76 



77 

 78 



79 

 80 



83 

 84 



85 

 86 



87 

 88 

 89 

 90 



9^ 

 92 



23 

 94 



