11 SEPTEMBER 1909, Page 17

A PUZZLE.

[TO THE EDITOR OP THE "SPECTATOR."] SIB,—Mr. G. C. Whitworth's puzzle (see Spectator, Septem- ber 4th) might be solved in this way. There is new moon on December 23rd at 9.5 a.m., on January 22nd at 0.12 a.m., and on February 20th at 10.52 a.m. You can see the moon every day from December 24th to February 19th inclusive,—that is, for fifty-eight days The difficulty is on January 21st and 22nd. .New moon occurs at about midnight between these two days. You can surmount the difficulty by travelling, say, from New York to Chicago. You see the moon at New York on January 21st at seven o'clock in the morning, shortly after moonrise. On your way to Chicago on January 22nd you see it again at five o'clock in the afternoon, shortly before