I do not therefore require of you to believe, that the ancient rocks and compact bodies were diſſolved, but that many new ones were formed by the deluge, which had incloſed the ſpoils of the ſea within them. … What other rational account will you give of that ſhell of a nautilus, which was found buried in a ſtratum of a piceous ſubstance below the bed of the river Arbis, where Artaxerxes commanded a bridge to be built over it?