or mound, and leave deposited in the earth at its base a bottle hermetically sealed, containing an outline of the leading circumstances connected with the voyage.
"7. In suggesting that the boat should be left, in the event of your progress being obstructed by ice or fog, I beg it to be understood, that that ought not to be done if there be the least probability, that, by perseverance, you may succeed in getting her along shore, as the preservation of the boat I consider to be highly essential both to the accomplishment of the voyage and to the protection of the party; but if there be no possibility of getting on with the boat, I beg to recommend that you provide yourselves with axes and cordage to make rafts for crossing rivers, and some parchment sheeting and oilcloths, to make a couple of small canoes for the conveyance of the party, should it be found impossible to cross the rivers on rafts, and in order to secure your retreat in the event of the loss of the boat.
"8. Should you not be able to accomplish the voyage or journey during the season of open water, and that you fall in with friendly Esquimaux or Indians, as many of the party as can be maintained may remain with them, so as to complete the survey in the course of the
