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Boreala 1 



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O oo 

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° s 



fp 4 



Atlantisk- 

 mediterrana 



kust- 

 former 



medi- 

 terrana 



Stilla 

 Oce- 

 anens 

 nord- 

 liga 

 delar 



Hyas araneus 



» coarctatus 



Polybius henslowi 



Portunus depurator . . . 



» holsatus 



» arcuatus 



» pusillus 



Eurynome aspera 



» var. tenuicornis . 



Cancer pagurus 



Carcinus maenas 



Pirimela denticulata • . . 

 Pilumnus hirtellus ..."... 

 Xantho hydrophilus . . . 



Geryon tridens 



Pinnotheres pisum 



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