seven o'clock
`` All you 've got to do , '' he explained to Bob and Alan , `` is to reach the Chusco , where Elmer camped , and take care of yourselves for seven or eight days . And we 'll be there to help you , unless something happens . You wo n't have much to eat but you 'll have water and you have ammunition . '' And at seven o'clock that morning they parted . Just before the farewells Alan called Ned to one side and said : `` Had n't you better take my bag ? '' indicating the jewel case under his arm . `` Why ? ''