The Authors Efifile Dedicatoryt '' tages do's the Univcrfe afford that are not to be found here ? What Treafures and Minerals, fiichj^s iGold, Silver, Copper, Iron, Saltpeter, Sulphur, Salt; what rich plenty of thefe and the like do's the Earth har- bour in her bofom, which hitherto were not brought to light 5 but now thro' your Czarifh Majefty's Fatherly bounty and wife Government, groan for their free- dom and relaxation. The Palus Mceotis is fubject to your Imperial Ma* jefty's Soveraigntyj and the Cafpian Sea, which to the amazement of all Naturalifts, has no vifible communi- cation with the Ocean, waits only for the honour of being covered and adorned with your Majefty's Naval Force, in order to give an In-let and Out-let, to immenfe Treafures in the courfe of a regulated Trade to the Baft. The Tanais again prefents us with a Wonder: your C2ari(h Majefty's Men of War and Pompous Galleys have ftruckfuch a terror into its Mouth, which had been fhut up for fome Years before, that now it opens of its felf and dares not to ftay for its Barriers; by whichmeans the black Sea is become acceflible, and entertains a Communication Southward and Weftwsrd, with the Mediteranean Sea and with the great Ocean. Nor is the Duina crown'd with lefs glory, as finding it felf united with the white Sea, by which means it hands the Commerce to the Ocean, and in after times will dif* appoint thofe who mean to ingrofs the command of that wild Element, The Rivers Vela and Tungia in Sibiria feem to prepare for the fame end, to difembogue in the Amoerjhian or Eaftern Sea : And in a word every thing provides to welcome the Sons of Neptune, fitted out by your Czarifh Majefty's unwearied care, as being rare and uncommon Guefts. ' The