Though noting with incredulity their employment in the harnessing of winds, Pliny the Elder in his treatise on Natural History could state with more certainty on the subject of Glossopetrae that those forked stones littering mountaintops drop out of heaven during lunar eclipses. So when Ferdinando the Grand Duke of Tuscany, a millennium later, charged his best anatomist with the autopsy of a shark (of such magnitude her removed liver was measured at 100 kg) caught by two men of Livorno, who strung her from a tree and clubbed her to death, the following miracle did Blessed Nicholas Steno[ref]Feast Day: December 5th.[/ref] unveil to Florentine crowds: via the divine, scrupulous hand, a mouthful of tongue‐stones set row upon row in perfected lines.