11 A.M.
`` We have secured a good-sized , comfortable yacht , '' goes on Old Hickory . `` You will each have a stateroom , assigned by lot . Meal hours and the menu will be left to the discretion of a competent steward . `` We sail on Wednesday , promptly at 11 A.M. Just when we shall return I ca n't say . It may be in a month , possibly two . You will need to dress for the tropics -- thin clothing , sun helmets , colored glasses , all that sort of thing . `` And you need not be surprised to learn that the yacht is somewhat heavily armed .