National Geographic : 1937 Jun
Photograph byF.W. Goro A SEASIDE FARMER RAKES IN HIS CROP OF "POOR MAN'S OYSTERS He raises the black, edible mussels beside the bay of Le Croisic, on a sandy beach which is flooded at high tide (page 759). Abundant along the coast ofBrittany, these bivalve mollusks have been cultivated by man for more than eight centuries. A shipwrecked Irishman namedWalton reputedly invented the wooden enclosures in which the mussels are grown. He laid out the fences of the enclosure in such a way that they formed the initial ofhis name.