The day was spent in making some preparations for the voyage and in exchanging provisions, the skipper generously offering to leave the cask of biscuits, some herrings, and a couple of bottles of his beloved schiedam with my father. If we find the mouth of a river, and believe that we can easily sail up it, we will return for you, as it might take us some weeks to complete our craft, and you would not wish to live up the tree all that time, he said.