two
o'clock
You have seen no signs of Indians , I suppose ? '' `` We have heard nothing , uncle . As to seeing , up to half an hour ago there was no possibility of making out anything . But I have not even been listening ; Sam went on guard directly we had finished supper , and I asked him to call me in two hours , but he did not wake me until two o'clock . '' `` He is a good fellow , '' Harry said . `` Well , do n't wake him now . I ca n't leave you the kettle , for we have to keep boiling water going , but you can put his tin into the ashes and warm it up when he wakes .