#...#....#                                          #.....##..
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..#.##..#. GULL CALL.                    .      . : #....#..#.
....###..# ======================================== ##....#..#
#...#.##..                                          .##....#..
.#....###. THE  SEAGULL  IS A  METAPHYSICS TRICK; A .###....#.
..#...#.## WORLD-BUILDER'S  SHORTCUT,  TO DEFINE  A .#.##....#
#..#....## SECTION  OF REALITY AND IMPLY ITS  SIZE: ...###....
.#..#...#. PLACE A FLOCK  OF BIRDS AT THE  EDGE AND ...#.##...
..#..#.... MAKE  THEIR  CALLS  TESSELATE  OVER  THE .....###..
...#..#... ENTIRE VOLUME                            #....#.##.
....#..#..                                          .#.....###
#....#..#. A  SEAGULL CAN  BE DEFINED  BY AS LITTLE ..#....#.#
##....#..# AS  FIVE  VERTICES;  SIX  TRIANGLES.  (I #..#.....#
.##....#.. WOULD  RECOMMEND  HANDLING IN  SWARMS OF ##..#....#
.###....#. AT LEAST A DOZEN BIRDS.)                 ###..#....
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