A letter from a Russian sea-officer, to a person of distinction at the court of St. Petersburgh: containing his remarks upon Mr. de L'Isle's chart and memoir, relative to the new discoveries northward and eastward from Kamtschatka. Together with some observations on that letter. By Arthur Dobbs, ... To which is added, Mr. de L'Isle's explanatory memoir ... Published at Paris, and now translated from the original French