four o'clock in the morning
`` No ; if we keep on in our course , we shall come out somewhere . I do n't know this side of the lake , but I am tolerably familiar with the other side . We crossed the lake , and have sailed to the northward since one or two o'clock this morning , when Mr. Whippleton hit me on the head . '' `` It was four o'clock in the morning ; I asked Peter , '' said Marian . `` Very well . It was not far from two when we came about this afternoon . We sailed towards the north about ten hours , and I should judge that we made at least fifty miles .