31.   Hours by appointment.

32.   Hours by reservation.

33.   His perch will be a usually unstaffed electrical substation, where he plans to while away the hours by reading a biography on Winston Churchill.

34.   How the U.S. peacekeepers respond to their mission can differ village by village and hour by hour.

35.   I aimed for Atlanta and wound up in Chicago in a matter of hours simply by missing a plane because I was at the wrong airport.

36.   I was enthralled for hours by the drama of a criminal trial at the Old Bailey.

37.   In an ominous parallel development, two Newsweek journalists, including a British photographer, were held for several hours by Palestinian gunmen in Gaza.

38.   In several cases described to me, people stopped at the Miami Airport were refused permission for many hours by INS agents to use the toilet.

39.   It is hard not to wince every time Mike McCurry or Lanny Davis offers a new explanation, only to see it impeached within hours by additional information.

40.   It was unofficially inaugurated last week on a sunny lunch hour by workers in the neighborhood.