... have made pilgrimages to St. Michel; and here Louis XI. instituted the order of knighthood, called in honour of the archangel St. Michael, but afterwards styled the order of the Coquille, from the cockleshells that formed the collar of the knights, and the golden cockle-shells that bordered their mantles. The motto of the order was the old motto of the Mount, "Immensi tremor Oceani" (the trembling of the immeasurable ocean), being an allusion to the popular ... — Brittany & Its Byways • Fanny Bury Palliser