two o'clock
Garth pitched his camp under the shelter of a line of willows , marking the edge of higher ground along the wide waste of sand . The two crews with their ceaseless tom-tom on the shore of the creek , were upward of half a mile away . Natalie was made comfortable in her tent ; and Garth and Charley , collecting a pile of firewood , covered it with a tarpaulin , against the coming rain . Charley , who had slept during the afternoon , was to watch until two o'clock ; and Garth , covering himself with a piece of sail-cloth , lay down at the door of the tent . It seemed to him he had no more than fallen asleep , when Charley shook his shoulder to awaken him . `` It 's one o'clock , '' the boy said . `` I think something has happened in the camp over there .