Note x — BOOK IV.

Monsieur de la Voye tells of an ancient Wall of Free-Stone in the Benedictines-Abby at Caen in Normandy, so eaten with Worms, that one may run ones Hand into most of the Cavities: That these Worms are small and black, lodging in a greyish Shell, that they have large flattish Heads, a large Mouth, with four black Jaws, &c. Phil. Trans. Nᵒ. 18.