two o’clock
About midnight this work ended without accident , but at the cost of most severe exertion , and the trio partook of a luncheon of pemmican and cold punch , as the doctor had no more fire to place at Joe 's disposal . Besides , the latter and Kennedy were dropping off their feet with fatigue . `` Lie down , my friends , and get some rest , '' said the doctor . `` I 'll take the first watch ; at two o'clock I 'll waken Kennedy ; at four , Kennedy will waken Joe , and at six we 'll start ; and may Heaven have us in its keeping for this last day of the trip ! '' Without waiting to be coaxed , the doctor 's two companions stretched themselves at the bottom of the car and dropped into profound slumber on the instant . The night was calm . A few clouds broke against the last quarter of the moon , whose uncertain rays scarcely pierced the darkness .