ten o’clock
Jack slept through the night , moaning once in a while . Mr. Farnum and the Dunhaven doctor were aboard early to look at him . The surgeon from the `` Hudson '' also came over . Under the effects of medicine Jack Benson was asleep when , at ten o'clock that morning , the two submarine torpedo boats slipped their moorings , following the `` parent boat , '' the `` Hudson , '' out of the harbor . Ten minutes later the motion of the sea awoke the young skipper . `` Hullo ! '' muttered the young submarine skipper , staring curiously about the little stateroom aft .