three o'clock
`` Let 's say to-morrow . '' A few minutes later , Shears heard the car drive away and the engines of the _ Hirondelle _ at once began to throb with increased force . The yacht threw off her moorings . By three o'clock they had left the estuary of the Seine and entered the Channel . At that moment , Holmlock Shears lay sound asleep in the berth to which he was fastened down . * * * * * On the following morning , the tenth and last day of the war between the two great rivals , the _ Écho de France _ published this delicious paragraph : `` A decree of expulsion was pronounced by Arsène Lupin yesterday against Holmlock Shears , the English detective . The decree was published at noon and executed on the same day .