title for learn-about section on whelks & relatives in A SNAIL'S ODYSSEY
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photograph of morphs of whelks Nucella lamellosa from Morses (Battleship) Island, San Juan Islands, Washington taken by Trevor Kinkaid, Department of Zoology, University of Washington, Seattle9.  Morses (Battleship) Island 
Individuals of Nucella lamellosa from this small rocky islet are heavily sculpted.  Morphs from Deadman’s Bay, Mitchell’s Bay, and this one form a clinal sequence in sculpturing.  Coloration in this morph is feeble or absent.

 

 

 

 

 

 


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