La coque (Cardium edule L)

This study aims at continuing a series of monographic works on the seashells of the French coast started a few years ago: already published are those of the oyster (Ostrea edulis and Gryphaea angulata), the mussel (Mytilus edulis and Mytilus galloprovincialis) and the king scallop (Pecten maximus). It has been completed with the following colleagues, Ch. YZAMBART, LOVAT, LE DANTEC, Inspectors and LE FLEM, Supervisor for the sanitary control service. I would also like to thank MM. R. DUFOUR, from Rouen and V. DIGNAC, from the Croisic, whose informations have been of a great help. (unverified OCR)