But above all, the diſcovery of ſubmarine treaſures is more eſpecially conſiderable, not only in regard of what hath been drowned by wrecks, but the ſeveral precious things that grow there, as Pearl, Coral Mines, with innumerable other things of great value, which may be much more eaſily found out, and fetcht up by the help of this [a submarine], than by any other uſual way of the Urinators.