40. The common mussel, Mytihis, grows in 

 dense masses. Each mussel is attached bv strong 

 threads to rock or to other mussels. (Brittanx", 

 France. Ralph Buchsbaiun) 



41. The queen scallop, Chlaiuys opcrcularis, a common edible 

 species of European Atlantic waters. It lies on the bottom 

 with valves agape, and here displays along the lower mantle 

 edge a row of black-pigmented e\es alternating with delicate 

 tentacles. (Roscoff, France. Ralph Buchsbaum) 







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