eight o'clock
`` Then we have got to take it where we can pull it up . I am tired of losing things in this way . We 'll have a nice story to tell the Professor . '' The Professor was by this time thoroughly alarmed , as well he might be , for it was past eight o'clock that evening when , going down from Observation Hill , he heard voices in the distance , and recognized the boys . He called to them , and you may be sure that their answering voices were joyful sounds . When the boys appeared both began excitedly to detail their experiences , getting details of the story involved without any sequence just as we might expect an exciting , mixed-up recital of this kind to be under the circumstances . `` You lost your boat and found the other one .