"The thing we are going to have most trouble about, Luka, is fresh water," Godfrey said as they ate their breakfast. Luka looked surprised. "When we once get beyond the stream of the Yenesei," he went on, "the water will be salt." "Salt!" Luka repeated. "Yes, too salt to make tea with. We shall be all right for a time, no doubt. What with the melting snow and the rains we have had, there are sure to be lots of little streams running into the sea; but when the land dries we shall be in a bad way." Luka looked serious; this was altogether beyond his experience. "Of course if we can get plenty of fresh fish we shall get on fairly, as we sha'n't require much to drink. We will look about the rivers when I can get at the map. I know there is a small one called the Gida running in just between the mouths of the Yenesei and Obi; and there is the Kara on farther, and then the Petchora. As far as I can remember that is all that were marked, but of course there may be lots of little streams that were not put down. There is one thing, if we find that we generally get wind, and can keep the big boat with us, we could make her carry water as well as fuel. She would hold any quantity, for half a dozen barrels would not sink her above an inch. We should certainly get out of the difficulty that way. It gave me quite a fright at first. I felt so sure that I had thought of everything, and there, I never for a moment thought about the sea being salt. How it is blowing outside! It is lucky indeed you have found such a snug corner, Luka, for if we had been out in the open we could only have piled stones in the boat to prevent it blowing away, and lain at full length underneath her, which would be all well enough for one night, but would be a frightful nuisance if it had to go on for three or four days." So sheltered were they, indeed, that they scarce felt the wind that was howling above them, and were as comfortable beneath their boat as they had been in their hut by the river side. "When it is as rough as this in the gulf, Luka, it will be tremendous out at sea." Luka had never seen waves higher than those in some of the rapids of the upper river, and he was astonished at the white-headed waves and at the showers of spray they sent up as they struck the rocks. "Are the waves ever much bigger than this?" he asked. "Bigger! I should think so. Out in the open sea one of the waves would make a hundred of these." "Then they must break the vessels to pieces, Godfrey?" "No, they are built very stout and strong, and very big. They get broken to pieces if the sea drives them against rocks, and sometimes in very great storms get so beaten by the waves that the planks open and the water runs in and they sink." "I should not like to go to sea if the waves were like that," Luka said thoughtfully. "This is terrible. Why, if we had not come ashore in time the boat would have sunk."