.........^                                          ^.........
........^=                                          =^........
.......^=*                                          *=^.......
......^=*=                                          =*=^......
.....^=*=@                                          @=*=^.....
....^=*=@@                                     .    @@=*=^....
...^=*=@@#                                        . #@@=*=^...
..^=*=@@##                                    . ^.  ##@@=*=^..
.^=*=@@### 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.)                 ..........
.........^                                          ^.........
........^=                                          =^........
.......^=*                                          *=^.......
......^=*=                                          =*=^......
.....^=*=@                                          @=*=^.....