four o'clock
Goodnight and -- good-by . '' He kept his word as well as he could , too . The postmark on the card was six A.M. ; but I guess it must have been dropped in the box earlier than that . All it says is : Twenty gallons in the tank , and I 'm off at four o'clock . I shall go straight out to sea and then up , up . I 've never been much good ; but I mean to finish in style . T. T. Now , what would you say to a batty proposition like that ?