^m^'-^ 



42. The blue-eyed scallop, Pcctcn inadiiius, the common edible scallop of the American 

 east coast. Close-up view of shell gape shows its blue eyes and numerous tentacles, 

 which screen incoming feeding and respiratory currents. (Woods Hole, Massachusetts. 

 Roman Vishniac) 



43. The great scallop, Pecten maxinuis, with 

 convex valve below and flat NaKe aboxe, is 

 larger than the queen scallop and not so 

 agile a swimmer. It is the most relished of 

 European Atlantic scallojjs. (England. D. P. 

 Wilson ) 



