noon
And so it was arranged that on the next day Lieutenant Charpentier was to take a detail of ten men , and one of the mutineers of the Arrow as a guide , and unearth the treasure ; and that the cruiser would remain for a full week in the little harbor . At the end of that time it was to be assumed that D'Arnot was truly dead , and that the forest man would not return while they remained . Then the two vessels were to leave with all the party . Professor Porter did not accompany the treasure-seekers on the following day , but when he saw them returning empty-handed toward noon , he hastened forward to meet them -- his usual preoccupied indifference entirely vanished , and in its place a nervous and excited manner . `` Where is the treasure ? '' he cried to Clayton , while yet a hundred feet separated them . Clayton shook his head .